List of Cascade volcanoes
Encyclopedia
This is a list of Cascade volcanoes, i.e. volcano
Volcano
2. Bedrock3. Conduit 4. Base5. Sill6. Dike7. Layers of ash emitted by the volcano8. Flank| 9. Layers of lava emitted by the volcano10. Throat11. Parasitic cone12. Lava flow13. Vent14. Crater15...

es formed as a result of subduction along the Cascadia subduction zone
Cascadia subduction zone
The Cascadia subduction zone is a subduction zone, a type of convergent plate boundary that stretches from northern Vancouver Island to northern California. It is a very long sloping fault that separates the Juan de Fuca and North America plates.New ocean floor is being created offshore of...

 in the Pacific Northwest
Pacific Northwest
The Pacific Northwest is a region in northwestern North America, bounded by the Pacific Ocean to the west and, loosely, by the Rocky Mountains on the east. Definitions of the region vary and there is no commonly agreed upon boundary, even among Pacific Northwesterners. A common concept of the...

 of North America.

British Columbia

  • British Columbia
    British Columbia
    British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

    Name Type Elevation
    (m)
    Elevation
    (ft)
    Last eruption (VEI
    Volcanic Explosivity Index
    The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions....

    )
    Location
    Silverthrone Caldera
    Silverthrone Caldera
    The Silverthrone Caldera is a potentially active caldera complex in southwestern British Columbia, Canada, located over northwest of the city of Vancouver and about west of Mount Waddington in the Pacific Ranges of the Coast Mountains. The caldera is one of the largest of the few calderas in...

    Caldera
    Caldera
    A caldera is a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption, such as the one at Yellowstone National Park in the US. They are sometimes confused with volcanic craters...

     
    2,865 9,400 Unknown 51.43°N 126.30°W
    Franklin Glacier Volcano
    Franklin Glacier Volcano
    Franklin Glacier Volcano is a deeply eroded and huge long and wide caldera complex in southwestern British Columbia, Canada, located east-southeast of the Silverthrone Caldera in the Hoodoo Creek and Franklin Glacier area on the northwest flank of the Waddington Massif of the Pacific Ranges...

    Caldera
    Caldera
    A caldera is a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption, such as the one at Yellowstone National Park in the US. They are sometimes confused with volcanic craters...

     
    2,252 7,388 Pliocene
    Pliocene
    The Pliocene Epoch is the period in the geologic timescale that extends from 5.332 million to 2.588 million years before present. It is the second and youngest epoch of the Neogene Period in the Cenozoic Era. The Pliocene follows the Miocene Epoch and is followed by the Pleistocene Epoch...

     
    51.33°N 125.04°W
    Bridge River Cones
    Bridge River Cones
    The Bridge River Cones, sometimes referred to as the Lillooet Cones and Salal Creek Cones, is the name given to a volcanic field located on the north flank of the upper Bridge River, about west of the town of Gold Bridge...

     
    Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    2,500 8,500 Unknown 50.80°N 123.40°W
    Mount Meager
    Mount Meager
    Mount Meager, originally known as Meager Mountain, is a complex volcano in the Sea-to-Sky Corridor of southwestern British Columbia, Canada. It is located north of Vancouver at the northern end of the Pemberton Valley. Part of the Cascade Volcanic Arc of western North America, its summit is above...

     
    Complex volcano
    Complex volcano
    A complex volcano, also called a compound volcano, is a volcano with more than one feature. They form because changes of their eruptive characteristics or the location of multiple vents in an area...

     
    2,645 8,678 2,350 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     (5)
    50.63°N 123.50°W
    Ring Mountain  Tuya
    Tuya
    A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...

     
    2,192 7,192 Unknown 50.13°N 123.17°W
    Mount Cayley
    Mount Cayley
    Mount Cayley is a potentially active stratovolcano in Squamish-Lillooet Regional District of southwestern British Columbia, Canada. Located north of Squamish and west of Whistler in the Pacific Ranges of the Coast Mountains, it rises above the Squamish River to the west and above the Cheakamus...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,385 7,825 20,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    50.12°N 123.28°W
    Brandywine Mountain
    Brandywine Mountain
    Brandywine Mountain, , is a summit in the Powder Mountain Icefield of the Pacific Ranges of the Coast Mountains of southwestern British Columbia, Canada, about west of the resort town of Whistler...

     
    Volcanic plug
    Volcanic plug
    A volcanic plug, also called a volcanic neck or lava neck, is a volcanic landform created when magma hardens within a vent on an active volcano. When forming, a plug can cause an extreme build-up of pressure if volatile-charged magma is trapped beneath it, and this can sometimes lead to an...

     
    2,213 7,260 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    50.11°N 123.22°W
    Mount Fee
    Mount Fee
    Mount Fee is a volcanic peak in the Pacific Ranges of the Coast Mountains in southwestern British Columbia, Canada. It is located south of Callaghan Lake and west of the resort town of Whistler. With a summit elevation of and a topographic prominence of , it rises above the surrounding rugged...

     
    Volcanic plug
    Volcanic plug
    A volcanic plug, also called a volcanic neck or lava neck, is a volcanic landform created when magma hardens within a vent on an active volcano. When forming, a plug can cause an extreme build-up of pressure if volatile-charged magma is trapped beneath it, and this can sometimes lead to an...

     
    2,162 7,093 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    50.08°N 123.24°W
    Mount Brew
    Mount Brew (Cheakamus River)
    Mount Brew is a rounded mountain in southwestern British Columbia, Canada, located southwest of Whistler in the Pacific Ranges of the Coast Mountains. A public cabin run by the Varsity Outdoor Club, Brew Hut, is located near the summit...

     
    Subglacial volcano
    Subglacial volcano
    A subglacial volcano, also known as a glaciovolcano, is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava...

     
    1,757 5,764 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    50.04°N 123.19°W
    Black Tusk
    Black Tusk
    Black Tusk is a remarkably abrupt pinnacle of volcanic rock located in Garibaldi Provincial Park of British Columbia, Canada. At above sea level, the upper spire is visible from a great distance in all directions. It is particularly noticeable from the Sea-to-Sky Highway just south of Whistler,...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,319 7,608 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    49.97°N 123.04°W
    Cinder Cone
    Cinder Cone (British Columbia)
    Cinder Cone is a cinder cone with a small crater on the west side of the Helm Glacier in Garibaldi Provincial Park. Cinder Cone is surrounded by cinder flats and its crater is filled with melt water during the summer. Cinder Cone gets eroded easily by melt water during the spring, washing the...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    1,910 6,266 Holocene
    Holocene
    The Holocene is a geological epoch which began at the end of the Pleistocene and continues to the present. The Holocene is part of the Quaternary period. Its name comes from the Greek words and , meaning "entirely recent"...

     
    49.97°N 123.01°W
    Clinker Peak
    Clinker Peak
    Clinker Peak is a stratovolcano, in the Garibaldi Volcanic Belt, British Columbia, Canada. It is located on the west shoulder of Mount Price on the west side of Garibaldi Lake...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    1,992 6,535 9,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    49.93°N 123.04°W
    Mount Price  Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,052 6,732 9,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    49.92°N 123.03°W
    Garibaldi Lake  Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    2,316 7,598 Unknown 49.92°N 123.03°W
    The Table
    The Table
    The Table, sometimes called Table Mountain, is a high flow-dominated andesite tuya located south of Garibaldi Lake, northeast of Cheekye and north of Mount Garibaldi, British Columbia, Canada...

     
    Tuya
    Tuya
    A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...

     
    2,021 6,631 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    49.90°N 123.01°W
    Mount Garibaldi
    Mount Garibaldi
    Mount Garibaldi is a potentially active stratovolcano in the Sea to Sky Country of British Columbia, north of Vancouver, Canada. Located in the southernmost Coast Mountains, it is one of the most recognized peaks in the South Coast region, as well as British Columbia's best known volcano...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,678 8,786 10,700-9,300 (3?) 49.84°N 123.00°W
    Opal Cone
    Opal Cone
    Opal Cone is a cinder cone located on the southeast flank of Mount Garibaldi in the Coast Mountains of British Columbia, Canada. It is the source of a 15 km long broad dacite lava flow with prominent wrinkled ridges...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    1,736 5,696 9,300 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    49.83°N 123.97°W
    The Castle
    The Castle (volcano)
    The Castle is a lava spine located west of Squamish in southwestern British Columbia, Canada. Volcanism at The Castle is controlled by north-south structures and there are no hot springs known in the area...

     
    Subglacial volcano
    Subglacial volcano
    A subglacial volcano, also known as a glaciovolcano, is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava...

     
    - - Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    49.69°N 123.02°W
    Coquihalla Mountain
    Coquihalla Mountain
    Coquihalla Mountain is an extinct stratovolcano in Similkameen Country, southwestern British Columbia, Canada, located south of Falls Lake and west of Tulameen between the Coquihalla and Tulameen rivers. With a topographic prominence of , it towers above adjacent mountain ridges...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,157 7,077 Miocene
    Miocene
    The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

     
    -
    Watts Point
    Watts Point volcanic centre
    The Watts Point volcanic centre is a small outcrop of Pleistocene age volcanic rock at Watts Point in British Columbia, Canada, about south of Squamish and north of Vancouver, and just north of Britannia Beach. It is the southernmost volcanic zone in the Squamish volcanic field and of the...

     
    Subglacial volcano
    Subglacial volcano
    A subglacial volcano, also known as a glaciovolcano, is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava...

     
    240 800 90,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    49.39°N 123.13°W


Washington

  • Washington (U.S. state)
    Name Type Elevation
    (m)
    Elevation
    (ft)
    Last eruption (VEI
    Volcanic Explosivity Index
    The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions....

    )
    Location
    Mount Baker
    Mount Baker
    Mount Baker , also known as Koma Kulshan or simply Kulshan, is an active glaciated andesitic stratovolcano in the Cascade Volcanic Arc and the North Cascades of Washington State in the United States. It is the second-most active volcano in the range after Mount Saint Helens...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    3,286 10,781 1880 (2) 48.777°N 121.813°W
    Glacier Peak
    Glacier Peak
    Glacier Peak is the most isolated of the five major stratovolcanoes of the Cascade Volcanic Arc in Washington...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    3,213 10,541 1700 ± 100 years (2) 48.112°N 121.113°W
    Mount Rainier
    Mount Rainier
    Mount Rainier is a massive stratovolcano located southeast of Seattle in the state of Washington, United States. It is the most topographically prominent mountain in the contiguous United States and the Cascade Volcanic Arc, with a summit elevation of . Mt. Rainier is considered one of the most...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    4,392 14,411 1894 (1?) 46.853°N 121.760°W
    Goat Rocks
    Goat Rocks
    The Goat Rocks are a series of rugged volcanic peaks in the Cascade Range, roughly between Mount Rainier and Mount Adams in southern Washington state. They are named after the numerous mountain goats which live in the area, and are at the core of the eponymous Goat Rocks Wilderness.- Geography and...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,494 8,184 730,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    46.29°N 121.24°W
    Mount Adams
    Mount Adams (Washington)
    Mount Adams is a potentially activestratovolcano in the Cascade Range and the second-highest mountain in the U.S. state of Washington.Adams is a member of the Cascade Volcanic Arc, and is one of the arc's largest volcanoes,...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    3,742 12,277 950 AD? (2) 46.206°N 121.490°W
    Mount St. Helens
    Mount St. Helens
    Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is south of Seattle, Washington and northeast of Portland, Oregon. Mount St. Helens takes its English name from the British diplomat Lord St Helens, a...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,549 8,363 2008 (2) 46.20°N 122.18°W
    Indian Heaven
    Indian Heaven
    Indian Heaven is a polygenetic volcanic field in Washington, United States. It is located midway between Mount St. Helens and Mount Adams, and dates from the Pleistocene and Holocene. The field trends north to south and is dominated by seven small shield volcanoes that have each erupted only once. ...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

    es
    1,806 5,925 6250 BC ± 100 years 45.93°N 121.82°W
    West Crater
    West Crater
    West Crater is a small andesitic lava dome with associated lava flows in southern Washington, USA....

     
    Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    1,329 4,360 5750 BC? (2?) 45.88°N 122.08°W
    Trout Creek Hill
    Trout Creek Hill
    Trout Creek Hill is a small Pleistocene basaltic shield volcano in Washington, United States. It produced a lava flow about 340,000 years ago that traveled southeast, which dammed the Columbia River for a short period of time....

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    893 2,930 340,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    45.83°N 122°W


Oregon

  • Oregon
    Oregon
    Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

    Name Type Elevation
    (m)
    Elevation
    (ft)
    Last eruption (VEI
    Volcanic Explosivity Index
    The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions....

    )
    Location
    Boring Lava Field
    Boring Lava Field
    The Boring Lava Field is an extinct Plio-Pleistocene volcanic field zone with at least 32 cinder cones and small shield volcanoes lying within a radius of 13 miles of Kelly Butte, which is approximately 4 miles east of downtown Portland, Oregon, in the United States...

     
    Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    1,236 4,055 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    45.66°N 122.68°W
    Rocky Butte
    Rocky Butte
    Rocky Butte is an extinct volcanic cinder cone butte in Portland, Oregon, United States. It is one of four, along with Kelly Butte, Powell Butte, and Mount Tabor, inside the city that are each home to a city park, Rocky Butte playing host to Joseph Wood Hill Park. It is also part of the Boring...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    174 571 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    45.547°N 122.565°W
    Powell Butte
    Powell Butte
    Powell Butte is an extinct volcanic cinder cone butte in Portland, Oregon, United States. It is one of four such cones inside the city that are home to a city park and is part of the Boring Lava Field, an area of extinct volcanoes. Powell Butte hosts the Powell Butte Nature Park.- External links...

     
    Cinder Cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    191 627 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    45.487°N 122.504°W
    Mount Sylvania
    Mount Sylvania
    Mount Sylvania is an extinct volcano, part of the Boring Lava Field, on the outskirts of Portland, Oregon. The parts of the mountain are within the cities of Portland, Lake Oswego, and Tigard...

     
    Cinder Cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    292 958 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    45.438°N 122.721°W
    Mount Hood
    Mount Hood
    Mount Hood, called Wy'east by the Multnomah tribe, is a stratovolcano in the Cascade Volcanic Arc of northern Oregon. It was formed by a subduction zone and rests in the Pacific Northwest region of the United States...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    3,426 11,240 1866 (2) 45.374°N 121.695°W
    Olallie Butte
    Olallie Butte
    Olallie Butte is a steep-sided shield volcano in the Cascade Range of northern Oregon. It is the largest volcano and highest point in the distance between Mount Hood and Mount Jefferson, Oregon's two highest peaks...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,199 7,215 - 44.820°N 121.764°W
    Mount Jefferson
    Mount Jefferson (Oregon)
    Mount Jefferson is a stratovolcano in the Cascade Volcanic Arc, part of the Cascade Range, and is the second highest mountain in Oregon. Situated in the far northeastern corner of Linn County on the Jefferson County line, about east of Corvallis, Mount Jefferson is in a rugged wilderness and is...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    3,199 10,495 950 AD? 44.674°N 121.799°W
    Three Fingered Jack
    Three Fingered Jack
    Three Fingered Jack, named for its distinctive shape, is a Pleistocene volcano in the Cascade Range of Oregon. It is a deeply glaciated shield volcano and consists mainly of basaltic andesite lava...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,390 7,841 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    44.478°N 121.845°W
    Hogg Rock
    Hogg Rock
    Hogg Rock is a tuya volcano in the Cascade Range of northern Oregon, located west of Santiam Pass beside the Santiam Highway . The highway wraps in a nearly 180-degree curve below cliffs on the south and west sides....

     
    Tuya
    Tuya
    A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...

     
    1,548 5,080 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    44.422°N 121.877°W
    Blue Lake Crater
    Blue Lake Crater
    Blue Lake Crater is a maar in the U.S. state of Oregon. It consists of three overlapping craters, which are filled by the waters of Blue Lake....

     
    Maar
    Maar
    A maar is a broad, low-relief volcanic crater that is caused by a phreatomagmatic eruption, an explosion caused by groundwater coming into contact with hot lava or magma. A maar characteristically fills with water to form a relatively shallow crater lake. The name comes from the local Moselle...

     
    1,230+ 4,035 680 AD ± 200 years 44.411°N 121.774°W
    Hoodoo Butte
    Hoodoo Butte
    Hoodoo Butte is a cinder cone butte in the Cascade Range of northern Oregon, located near Santiam Pass just west of the Cascade Crest. A ski area, also named Hoodoo, is located on the northwest through northeast flanks of the cone, and the summit area includes the top stations of two chairlifts...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    1,738 5,702 Holocene
    Holocene
    The Holocene is a geological epoch which began at the end of the Pleistocene and continues to the present. The Holocene is part of the Quaternary period. Its name comes from the Greek words and , meaning "entirely recent"...

     
    44.402°N 121.884°W
    Sand Mountain Field  Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

    s
    1,664 5,459 70 AD ± 150 years 44.38°N 121.93°W
    Hayrick Butte
    Hayrick Butte
    Hayrick Butte is a tuya volcano in the Cascade Range of northern Oregon, located near Santiam Pass just west of the Cascade Crest. It is adjacent to the cinder cone, Hoodoo Butte, which overlaps its western edge....

     
    Tuya
    Tuya
    A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...

     
    1,683 5,523 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    44.399°N 121.871°W
    Black Butte
    Black Butte (Oregon)
    Black Butte is a cinder cone butte located in Deschutes National Forest, northwest of the town of Sisters, Oregon. An extinct volcano, it is composed of basaltic andesite. The cone rises over the surrounding plateau. Black Butte is a striking feature just north of US Highway 20, which descends...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    1,937 6,355 - 44.399°N 121.634°W
    Mount Washington
    Mount Washington (Oregon)
    Mount Washington is a deeply eroded shield volcano in the Cascade Range of Oregon. The mountain dates to the Late Pleistocene. However, it does have a line of basaltic andesite spatter cones on its northeast flank which are approximately 1,330 years old according to carbon dating...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,376 7,795 1,330 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    44.332°N 121.838°W
    Belknap Crater
    Belknap Crater
    Belknap Crater is a shield volcano in the Cascade Range in the U.S. state of Oregon.Belknap volcano is a Holocene example of the process which built the High Cascade Platform during the Pleistocene. It is a small shield volcano with a capping cinder cone....

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

    es
    2,095 6,873 480 AD? (2?) 44.285°N 121.843°W
    Black Crater
    Black Crater
    Black Crater is a steep-sided shield volcano in the Cascade Range of central Oregon, located north of the Three Sisters and east of McKenzie Pass. Ice Age glaciers carved a large cirque into the northern flank of the mountain, and snow often lingers in its shady depths until late summer...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,210 7,251 - 44.266°N 121.748°W
    Three Sisters
    Three Sisters (Oregon)
    The Three Sisters are three volcanic peaks of the Cascade Volcanic Arc and the Cascade Range in Oregon, each of which exceeds in elevation. They are the third, fourth, and fifth highest peaks in the state of Oregon and are located in the Three Sisters Wilderness, about southwest from the nearest...

     
    Complex volcano
    Complex volcano
    A complex volcano, also called a compound volcano, is a volcano with more than one feature. They form because changes of their eruptive characteristics or the location of multiple vents in an area...

     
    3,157 10,358 1,600 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    44.10°N 121.77°W
    Broken Top
    Broken Top
    Broken Top is an extinct, glacially eroded stratovolcano in Oregon, part of the extensive Cascade Range. Located south of the Three Sisters peaks, the volcano, residing within the Three Sisters Wilderness, is 20 miles west of Bend, Oregon in Deschutes County...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,797 9,055 100,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    44.083°N 121.699°W
    Pilot Butte  Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    1,261 4,138 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    44.061°N 121.283°W
    Tumalo Mountain
    Tumalo Mountain
    Tumalo Mountain is a shield volcano in the Cascade Range of central Oregon, located just northeast of Mount Bachelor across the Cascade Lakes Scenic Byway. Ice Age glaciers carved a large cirque into the northeast flank of the mountain, producing a bowl which is popular with local backcountry skiers...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,370 7,775 - 44.005°N 121.642°W
    Mount Bachelor
    Mount Bachelor
    Mount Bachelor, formerly named Bachelor Butte, is a stratovolcano atop a shield volcano in the Cascade Volcanic Arc and the Cascade Range of central Oregon.The Mount Bachelor ski area has operated on the mountain since 1958....

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,764 9,068 8,000-10,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    43.979°N 121.688°W
    Lava Butte
    Lava Butte
    Lava Butte is a cinder cone located in central Oregon, USA, just west of US Highway 97 between the towns of Bend, Oregon, and Sunriver, Oregon. It is part of a system of small cinder cones on the northwest flank of Newberry Volcano, a massive shield volcano which rises to the southeast...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    1,529 5,016 7,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    43.918°N 121.356°W
    Newberry Volcano
    Newberry Volcano
    Newberry Volcano is a large potentially active shield volcano located east of the Cascade Range and about southeast of Bend, Oregon. It is not a typical shield volcano. In addition to erupting basaltic lavas, it also has erupted andesitic and even rhyolitic lava.The volcano is in diameter and...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,435 7,989 690 AD (4) 43.722°N 121.229°W
    Maiden Peak
    Maiden Peak (Oregon)
    Maiden Peak is a steep-sided shield volcano in the Cascade Range of central Oregon. It is the highest point in the distance between Mount Bachelor and Diamond Peak...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,383 7,818 - 43.626°N 121.925°W
    Davis Lake
    Davis Lake volcanic field
    The Davis Lake volcanic field, is a volcanic field with a group of andesitic cinder cones, lava flows and basaltic andesite shield volcanos east of the Cascade Range of Oregon, USA.-Notable vents:...

     
    Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    2,163 7,096 2,790 BC? 43.57°N 121.82°W
    Diamond Peak
    Diamond Peak (Oregon)
    Diamond Peak is a shield volcano in south west Oregon and is part of the Cascade Range. The mountain is located near Willamette Pass in the Diamond Peak Wilderness within the Willamette National Forest....

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,665 8,744 Less than 100,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    43.520°N 122.149°W
    Devil's Garden
    Devil's Garden volcanic field
    Portions of this article include public domain text from the USFS .Devil's Garden Volcanic Field is a volcanic field located south east of Newberry Caldera in Oregon. The lava field consists of several flows of pahoehoe lava that erupted from fissure vents in the northeast part of the Devils...

     
    Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    1,698+ 5,571 Unknown 43.512°N 120.861°W
    Squaw Ridge
    Squaw Ridge Lava Field
    The Squaw Ridge lava field, also known as the East lava field, is a young basaltic field located in the U.S. state of Oregon southeast of Newberry Volcano.-Notable Vents:-See also:* List of volcanoes in the United States of America...

     
    Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    1,711 5,613 Unknown 43.472°N 120.754°W
    Four Craters
    Four Craters Lava Field
    Portions of this article include public domain text from the USFS .Four Craters Lava Field is a basaltic volcanic field located south east of Newberry Caldera in the U.S. state of Oregon. The volcanic field covers about 30 square kilometers. Four Pleistocene cinder cones are the source of the flows...

     
    Volcanic field
    Volcanic field
    A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...

     
    1,501 4,924 Unknown 43.361°N 120.669°W
    Cinnamon Butte
    Cinnamon Butte
    Cinnamon Butte is a group of cinder cone volcanoes and lava domes in the Cascade Range of Oregon. All of the vents are older than approximately 6,845 years as they are all covered in ash from the eruption of Mount Mazama.-Notable Vents:...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

    s
    1,956 6,417 Unknown 43.241°N 122.108°W
    Howlock Mountain
    Howlock Mountain
    Howlock Mountain is a heavily eroded shield volcano in the Cascade Range of central Oregon, located along the Cascade Crest just north of Mount Thielsen. Ice Age glaciers eroded away most of the flanks of the volcano, leaving numerous deep cirques surrounding a central ridge capped by several horns...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,545 8,351 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    43.192°N 122.039°W
    Mount Bailey
    Mount Bailey (Oregon)
    Mount Bailey is a relatively young tephra cone and shield volcano in the Cascade Range, located on the opposite side of Diamond Lake from Mount Thielsen in southern Oregon, United States. Bailey consists of a high main cone on top of an old basaltic andesite shield volcano. With a volume of ,...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,551 8,368 Less than 100,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    43.155°N 122.221°W
    Mount Thielsen
    Mount Thielsen
    Mount Thielsen, or Big Cowhorn, is an extinct shield volcano in the Oregon High Cascades, near Mount Bailey. Because Mount Thielsen stopped erupting 250,000 years ago, glaciers have heavily eroded the volcano's structure, creating precipitous slopes and its horn-like peak...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,799 9,184 - 43.153°N 122.067°W
    Yamsay Mountain
    Yamsay Mountain
    Yamsay Mountain is a large shield volcano in the Cascade Range of south-central Oregon, located about east of Crater Lake on the border between Klamath County and Lake County. It is part of the Cascade Volcanic Arc, but is located in a mountain range behind the main Cascade volcanic front...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,498 8,196 - 42.931°N 121.364°W
    Mount Mazama
    Mount Mazama
    Mount Mazama is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Arc and the Cascade Range. The volcano's collapsed caldera holds Crater Lake, and the entire mountain is located within Crater Lake National Park....

     
    Caldera
    Caldera
    A caldera is a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption, such as the one at Yellowstone National Park in the US. They are sometimes confused with volcanic craters...

     
    2,487 8,159 2290 BC ± 300 years 42.93°N 122.12°W
    Mount Scott  Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,722 8,929 Pleistocene
    Pleistocene
    The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....

     
    42.923°N 122.018°W
    Union Peak
    Union Peak
    Union Peak is a heavily eroded shield volcano in the Cascade Range of central Oregon, located along the Cascade Crest less than southwest of the rim of Crater Lake. Ice Age glaciers eroded away most of the flanks of the volcano, leaving numerous deep cirques surrounding a central glacial horn...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,350 7,709 - 42.831°N 122.224°W
    Pelican Butte
    Pelican Butte
    Pelican Butte is a steep-sided dormant shield volcano in the Cascade Range of southern Oregon. It is located due south of Crater Lake and northeast of Mount McLoughlin, and rises over directly above the shore of Upper Klamath Lake...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,449 8,036 300,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    42.513°N 122.146°W
    Mount McLoughlin
    Mount McLoughlin
    Mount McLoughlin is a steep-sided lava cone built on top of a shield volcano in the Cascade Range of southern Oregon and within the Sky Lakes Wilderness area. It is one of the volcanic peaks in the Cascade Volcanic Arc. The mountain is north of Mount Shasta, south of Crater Lake, and west of Upper...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,894 9,495 20,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    42.445°N 122.315°W
    Aspen Butte
    Aspen Butte
    Aspen Butte is a steep-sided shield volcano in the Cascade Range of southern Oregon. It is located south of Pelican Butte and southeast of Mount McLoughlin. It rises over above the nearby shore of Upper Klamath Lake...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

    es
    2,502 8,208 - 42.315°N 122.088°W


California

  • California
    Name Type Elevation
    (m)
    Elevation
    (ft)
    Last eruption (VEI
    Volcanic Explosivity Index
    The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions....

    )
    Location
    Medicine Lake Volcano
    Medicine Lake Volcano
    Medicine Lake Volcano is a large shield volcano in northeastern California about northeast of Mount Shasta. The volcano is located in a zone of east-west crustal extension east of the main axis of the Cascade Volcanic Arc and the Cascade Range. The thick shield is from east to west and from...

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    2,412 7,913 1080 ± 25 years (3?) 41.611°N 121.554°W
    Mount Shasta
    Mount Shasta
    Mount Shasta is located at the southern end of the Cascade Range in Siskiyou County, California and at is the second highest peak in the Cascades and the fifth highest in California...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    4,317 14,163 1786 (3) 41.409°N 122.193°W
    Shastina
    Shastina
    Shastina is the highest satellite cone of Mount Shasta, and one of four overlapping volcanic cones which together form the most voluminous stratovolcano in the Cascade Range. At , Shastina is taller than Mount Adams and would rank as the third highest volcano in the Cascades behind Mount Rainier...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    3,758 12,330
    41.40°N 122.22°W
    Black Butte  Lava dome
    Lava dome
    |250px|thumb|right|Image of the [[rhyolitic]] lava dome of [[Chaitén Volcano]] during its 2008–2009 eruption.In volcanology, a lava dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano...

     
    1,902 6,242 9,000-10,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    41.363°N 122.348°W
    Brushy Butte
    Brushy Butte
    Brushy Butte is a small, poorly studied, shield volcano located immediately east of Timbered Crater, south-southeast of the Medicine Lake Highlands in northern California, USA ....

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    1,174 3,852 Unknown 41.178°N 121.443°W
    Big Cave
    Big Cave
    Big Cave is a small basaltic shield volcano located in northern California, USA. It has young pyroclastic cones on its northern flank and on its summit....

     
    Shield volcano
    Shield volcano
    A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...

     
    1,259 4,131 Unknown 40.955°N 121.365°W
    Twin Buttes
    Twin Buttes
    The Twin Buttes is a group of cinder cones located in the Cascade Mountain Range of Shasta County, California....

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

    s
    1,631 5,351 Unknown 40.777°N 121.591°W
    Tumble Buttes  Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

    s
    2,191 7,188 Unknown 40.68°N 121.55°W
    Eagle Lake Field  Fissure vent
    Fissure vent
    A fissure vent, also known as a volcanic fissure or simply fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is usually a few meters wide and may be many kilometers long. Fissure vents can cause large flood basalts and lava channels...

    s
    1,652 5,420 Unknown 40.63°N 120.83°W
    Cinder Cone
    Cinder Cone and the Fantastic Lava Beds
    Cinder Cone is a cinder cone volcano in Lassen Volcanic National Park . Within the park it is located about northeast of Lassen Peak and provides an excellent view of Brokeoff Mountain, Lassen Peak, and Chaos Crags.The cone was built to a height of above the surrounding area and spread ash over...

     
    Cinder cone
    Cinder cone
    According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...

     
    2,105 6,907 350 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    40.53°N 121.32°W
    Lassen Peak
    Lassen Peak
    Lassen Peak is the southernmost active volcano in the Cascade Range. It is part of the Cascade Volcanic Arc which is an arc that stretches from northern California to southwestern British Columbia...

     
    Lava dome
    Lava dome
    |250px|thumb|right|Image of the [[rhyolitic]] lava dome of [[Chaitén Volcano]] during its 2008–2009 eruption.In volcanology, a lava dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano...

     
    3,189 10,462 1917 (3) 40.492°N 121.508°W
    Mount Tehama
    Mount Tehama
    Mount Tehama is an eroded andesitic stratovolcano in the Cascade Volcanic Arc and the Cascade Range in Northern California. Part of the Lassen volcanic center, its highest remaining remnant, Brokeoff Mountain, is itself the second highest peak in Lassen Volcanic National Park and connects to the...

     
    Stratovolcano
    Stratovolcano
    A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

     
    2,815 9,235 600,000 BP
    Before Present
    Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...

     
    40.43°N 121.55°W


See also

  • List of volcanoes in the United States of America
  • List of volcanoes in Canada
  • Volcanism of Canada
  • Volcanism of Western Canada
    Volcanism of Western Canada
    Volcanism of Western Canada produces lava flows, lava plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes, calderas, diatremes and maars, along with examples of more less common volcanic forms such as tuyas and subglacial mounds.-Volcanic belts:*Anahim...

  • List of Northern Cordilleran volcanoes
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