Geography of Florida
Encyclopedia
Much of the state of Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

 is situated on a peninsula between the Gulf of Mexico, the Atlantic Ocean, and the Straits of Florida
Straits of Florida
The Straits of Florida, Florida Straits, or Florida Strait is a strait located south-southeast of the North American mainland, generally accepted to be between the Gulf of Mexico and the Atlantic Ocean, and between the Florida Keys and Cuba. The strait carries the Florida Current, the beginning of...

. Spanning two time zones, it extends to the northwest into a panhandle
Panhandle
A panhandle is an informal geographic term for an elongated arm-like protrusion of a geo-political entity, such as a subnational entity or a sovereign state.-Term:...

 along the northern Gulf of Mexico. It is bordered on the north by the states of Georgia
Georgia (U.S. state)
Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

 and Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

, and on the west, at the end of the panhandle, by Alabama. It is near The Bahamas
The Bahamas
The Bahamas , officially the Commonwealth of the Bahamas, is a nation consisting of 29 islands, 661 cays, and 2,387 islets . It is located in the Atlantic Ocean north of Cuba and Hispaniola , northwest of the Turks and Caicos Islands, and southeast of the United States...

 and several Caribbean countries, particularly Cuba
Cuba
The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

. Florida's extensive coastline made it a perceived target during World War II, so the government built airstrips throughout the state; today, approximately 400 airports are still in service. According to the National Drug Intelligence Center
National Drug Intelligence Center
The U.S. National Drug Intelligence Center , established in 1993, is a component of the U.S. Department of Justice and a member of the Intelligence Community...

, Florida has 131 public airports, and more than 700 private airports, airstrips, heliports, and seaplane bases. Florida is one of the largest states east of the Mississippi River
Mississippi River
The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

, and only Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

 and Michigan
Michigan
Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....

 are larger in water area.

Terrain

At 345 feet (105 m) above mean sea level
Above mean sea level
The term above mean sea level refers to the elevation or altitude of any object, relative to the average sea level datum. AMSL is used extensively in radio by engineers to determine the coverage area a station will be able to reach...

, Britton Hill
Britton Hill
Britton Hill is the highest natural point in the state of Florida, USA, with a summit elevation of 345 feet above mean sea level. Many Florida skyscrapers are taller; as of 2010, the roof of the Four Seasons Hotel Miami is the highest non-natural point in Florida. Topping out at 789 feet,...

 is the highest point in Florida and the lowest highpoint of any U.S. state. Much of the state south of Orlando
Orlando, Florida
Orlando is a city in the central region of the U.S. state of Florida. It is the county seat of Orange County, and the center of the Greater Orlando metropolitan area. According to the 2010 US Census, the city had a population of 238,300, making Orlando the 79th largest city in the United States...

 is low-lying and fairly level; however, some places, such as Clearwater
Clearwater, Florida
Clearwater is a city located in Pinellas County, Florida, US, nearly due west of Tampa and northwest of St. Petersburg. In the west of Clearwater lies the Gulf of Mexico and in the east lies Tampa Bay. As of the 2000 census, the city had a total population of 108,787. It is the county seat of...

, feature vistas that rise 50 to 100 feet (15 30 m) above the water. Much of Central and North Florida, typically 25 miles (40 km) or more away from the coastline, features rolling hills with elevations ranging from 100 to 250 feet (30 76 m). The highest point in peninsular Florida, Sugarloaf Mountain, is a 312 feet (95 m) peak in Lake County
Lake County, Florida
Lake County is a county located in the state of Florida, United States. As of the 2000 Census, the population was 210,528. The Census Bureau estimated the population in 2008 to be 307,243. Its county seat is Tavares...

.

Boundaries

The state line begins in the Atlantic Ocean, traveling west, south, and north up the thalweg
Thalweg
Thalweg in geography and fluvial geomorphology signifies the deepest continuous inline within a valley or watercourse system.-Hydrology:In hydrological and fluvial landforms, the thalweg is a line drawn to join the lowest points along the entire length of a stream bed or valley in its downward...

 of the Saint Mary's River. At the origin of that river, it then follows a straight line nearly due west and slightly north, to the point where the confluence
Confluence (geography)
In geography, a confluence is the meeting of two or more bodies of water. It usually refers to the point where two streams flow together, merging into a single stream...

 of the Flint River
Flint River (Georgia)
The Flint River is a river in the U.S. state of Georgia. The river drains of western Georgia, flowing south from the upper Piedmont region south of Atlanta to the wetlands of the Gulf Coastal Plain in the southwestern corner of the state. Along with the Apalachicola and the Chattahoochee rivers,...

 (from Georgia) and the Chattahoochee River
Chattahoochee River
The Chattahoochee River flows through or along the borders of the U.S. states of Georgia, Alabama, and Florida. It is a tributary of the Apalachicola River, a relatively short river formed by the confluence of the Chattahoochee and Flint Rivers and emptying into Apalachicola Bay in the Gulf of...

 (down the Alabama/Georgia line) used to form Florida's Apalachicola River. (Since Woodruff Dam was built, this point has been under Lake Seminole.) The border with Georgia continues north through the lake for a short distance up the former thalweg of the Chattahoochee, then with Alabama runs due west along latitude
Latitude
In geography, the latitude of a location on the Earth is the angular distance of that location south or north of the Equator. The latitude is an angle, and is usually measured in degrees . The equator has a latitude of 0°, the North pole has a latitude of 90° north , and the South pole has a...

 31°N
31st parallel north
The 31st parallel north is a circle of latitude that is 31 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Pacific Ocean, North America and the Atlantic Ocean.Part of the border between Iran and Iraq is defined by the parallel....

 to the Perdido River
Perdido River
The Perdido River is a river in the U.S. states of Alabama and Florida. The river forms part of the boundary between the two states along nearly its entire length and drains into the Gulf of Mexico...

, then south along its thalweg to the Gulf via Perdido Bay. Much of the state is at or near sea level
Sea level
Mean sea level is a measure of the average height of the ocean's surface ; used as a standard in reckoning land elevation...

.

Climate

The climate of Florida is tempered by the fact that no part of the state is very distant from the ocean. North of Lake Okeechobee, the prevalent climate is humid subtropical
Humid subtropical climate
A humid subtropical climate is a climate zone characterized by hot, humid summers and mild to cool winters...

, while coastal areas south of the lake (including the Florida Keys
Florida Keys
The Florida Keys are a coral archipelago in southeast United States. They begin at the southeastern tip of the Florida peninsula, about south of Miami, and extend in a gentle arc south-southwest and then westward to Key West, the westernmost of the inhabited islands, and on to the uninhabited Dry...

) have a true tropical climate
Tropical climate
A tropical climate is a climate of the tropics. In the Köppen climate classification it is a non-arid climate in which all twelve months have mean temperatures above...

. Mean high temperatures for late July are primarily in the low 90s Fahrenheit (32–34 °C). Mean low temperatures for early to mid January range from the low 40s Fahrenheit (4–7 °C) in northern Florida to the mid-50s (≈13 °C) in southern Florida.

In the summer, high temperatures in the state seldom exceed 100 °F (38 °C). During the late autumn and winter months, Florida has experienced occasional cold fronts that can bring high winds and relatively cooler temperatures for the entire state, with high temperatures that could remain into the 40s and 50s (4 to 15 °C) and lows in the 20s and 30s (−7 to 4 °C). Several record cold maxima have been in the 30s °F (−1 to 4 °C) and record lows have been in the 10s (−12 to −7 °C). These temperatures normally extend at most a few days at a time in the northern and central parts of Florida. Southern Florida, however, rarely encounters sub-freezing temperatures.

The hottest temperature ever recorded in Florida was 109 °F (43 °C), which was set on June 29, 1931 in Monticello
Monticello, Florida
Monticello is a city in Jefferson County, Florida, United States. The population was 2,533 at the 2000 census. As of 2004, the population recorded by the U.S. Census Bureau is 2,572. It is the county seat of Jefferson County...

. The coldest temperature was −2 °F, on February 13, 1899, just 25 miles (40 km) away, in Tallahassee.

The USDA Plant hardiness zone
Hardiness zone
A hardiness zone is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone...

s for the state range from zone 8a (no colder than 10 °F (-12.2 °C) ) in the Crestview
Crestview, Florida
Crestview is a city in Okaloosa County, Florida, United States. Crestview’s name was chosen because of its location on the peak of a long woodland range between the Yellow and Shoal rivers which flow almost parallel on the east and west side of the City....

 to zone 10b (no colder than 35 °F (1.7 °C) ) in Southeast Florida.

The seasons in Florida are determined more by precipitation
Precipitation (meteorology)
In meteorology, precipitation In meteorology, precipitation In meteorology, precipitation (also known as one of the classes of hydrometeors, which are atmospheric water phenomena is any product of the condensation of atmospheric water vapor that falls under gravity. The main forms of precipitation...

 than by temperature, with the hot, wet springs and summers making up the wet season, and mild to cool, and the relatively dry winters and autumns, making the dry season. Fall foliage appears in Central and North Florida starting around late November, and into winter.

The Florida Keys
Florida Keys
The Florida Keys are a coral archipelago in southeast United States. They begin at the southeastern tip of the Florida peninsula, about south of Miami, and extend in a gentle arc south-southwest and then westward to Key West, the westernmost of the inhabited islands, and on to the uninhabited Dry...

, because they are completely surrounded by water, have lesser variability in temperatures. At Key West
Key West, Florida
Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 , Sigsbee Park , Fleming Key , and Sunset Key...

, temperatures rarely exceed 95 °F (35 °C) in the summer or fall below 55 °F (13 °C) in the winter, and frost has never been reported in the Keys.

Florida's nickname is the "Sunshine State", but severe weather is a common occurrence in the state. Central Florida is known as the lightning
Lightning
Lightning is an atmospheric electrostatic discharge accompanied by thunder, which typically occurs during thunderstorms, and sometimes during volcanic eruptions or dust storms...

 capital of the United States, as it experiences more lightning strikes than anywhere else in the country.
Florida has the highest average precipitation of any state, in large part because afternoon thunderstorm
Thunderstorm
A thunderstorm, also known as an electrical storm, a lightning storm, thundershower or simply a storm is a form of weather characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder. The meteorologically assigned cloud type associated with the...

s are common in most of the state from late spring until early autumn. A fair day may be interrupted with a storm, only to return to sunshine an hour or so later. These thunderstorms, caused by overland collisions of moist masses of air from the Gulf of Mexico and Atlantic Ocean, pop up in the early afternoon and can bring heavy downpours, high winds, and sometimes tornado
Tornado
A tornado is a violent, dangerous, rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. They are often referred to as a twister or a cyclone, although the word cyclone is used in meteorology in a wider...

es. Florida leads the United States in tornadoes per square mile (when including waterspouts) but they do not typically reach the intensity of those in the Midwest and Great Plains
Great Plains
The Great Plains are a broad expanse of flat land, much of it covered in prairie, steppe and grassland, which lies west of the Mississippi River and east of the Rocky Mountains in the United States and Canada. This area covers parts of the U.S...

. Hail
Hail
Hail is a form of solid precipitation. It consists of balls or irregular lumps of ice, each of which is referred to as a hail stone. Hail stones on Earth consist mostly of water ice and measure between and in diameter, with the larger stones coming from severe thunderstorms...

 often accompanies the most severe thunderstorms.

A narrow eastern part of the state including Orlando and Jacksonville receives between 2,400 and 2,800 hours of sunshine
Sunshine
Sunshine is sunlight, the electromagnetic radiation emitted by the Sun, especially in the visible wavelengths.Sunshine may also refer to:-Film and television:*Sunshine , a historical film directed by István Szabó...

 annually. The rest of the state, including Miami, receives between 2,800 and 3,200 hours annually.

Snow in Florida is a rare occurrence, especially on the peninsula. During the Great Blizzard of 1899
Great Blizzard of 1899
The Great Blizzard of 1899 was an unprecedented winter weather event that affected the southern United States. What made it historic was both the severity of winter weather and the extent of the U.S. it affected, especially in the South. The first reports indicated record-high barometric pressure...

, Florida experienced blizzard
Blizzard
A blizzard is a severe snowstorm characterized by strong winds. By definition, the difference between blizzard and a snowstorm is the strength of the wind. To be a blizzard, a snow storm must have winds in excess of with blowing or drifting snow which reduces visibility to 400 meters or ¼ mile or...

 conditions; the Tampa Bay area
Tampa Bay
Tampa Bay is a large natural harbor and estuary along the Gulf of Mexico on the west central coast of Florida, comprising Hillsborough Bay, Old Tampa Bay, Middle Tampa Bay, and Lower Tampa Bay."Tampa Bay" is not the name of any municipality...

 had "gulf-effect" snow, similar to lake-effect snow in the Great Lakes region. During the 1899 blizzard was the only time the temperature in Florida is known to have fallen below 0 degrees Fahrenheit (−18 °C). The most widespread snowfall in Florida history occurred on January 19, 1977, when snow fell over much of the state, with flurries as far south as Homestead
Homestead, Florida
Homestead is a city in Miami-Dade County, Florida, United States nestled between Biscayne National Park to the east and Everglades National Park to the west. Homestead is primarily a Miami suburb and a major agricultural area....

. Snow flurries also fell on Miami Beach
Miami Beach, Florida
Miami Beach is a coastal resort city in Miami-Dade County, Florida, United States, incorporated on March 26, 1915. The municipality is located on a barrier island between the Atlantic Ocean and Biscayne Bay, the latter which separates the Beach from Miami city proper...

 for the only time in recorded history. A hard freeze in 2003 brought "ocean-effect" snow flurries to the Atlantic coast as far south as Cape Canaveral
Cape Canaveral
Cape Canaveral, from the Spanish Cabo Cañaveral, is a headland in Brevard County, Florida, United States, near the center of the state's Atlantic coast. Known as Cape Kennedy from 1963 to 1973, it lies east of Merritt Island, separated from it by the Banana River.It is part of a region known as the...

.
The 1993 Superstorm brought blizzard conditions to the panhandle, while heavy rain and tornadoes beset the peninsula. The storm is believed to have been similar in composition to a hurricane
Tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...

, some Gulf coast regions even seeing storm surge
Storm surge
A storm surge is an offshore rise of water associated with a low pressure weather system, typically tropical cyclones and strong extratropical cyclones. Storm surges are caused primarily by high winds pushing on the ocean's surface. The wind causes the water to pile up higher than the ordinary sea...

s of six feet or more. More recently, traces of snow and sleet fell across central and southern Florida during a hard freeze event in January, 2010. There was some slight accumulation north of the I-4 corridor, mostly in the form of sleet.

Hurricanes
Tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...

 pose a severe threat during hurricane season, which lasts from June 1 to November 30, although some storms have been known to form out of season. Florida is the most hurricane-prone US state, with subtropical or tropical water on a lengthy coastline. From 1851 to 2006, Florida has been struck by 114 hurricanes, 37 of them major—category 3 and above. It is rare for a hurricane season to pass without any impact in the state by at least a tropical storm. For storms, category 4 or higher, 83% have either hit Florida or Texas. August to October is the most likely period for a hurricane in Florida.

In 2004, Florida was hit by a record four hurricanes. Hurricanes Charley
Hurricane Charley
Hurricane Charley was the third named storm, the second hurricane, and the second major hurricane of the 2004 Atlantic hurricane season. Charley lasted from August 9 to August 15, and at its peak intensity it attained 150 mph winds, making it a strong Category 4 hurricane on the...

 (August 13), Frances
Hurricane Frances
Hurricane Frances was the sixth named storm, the fourth hurricane, and the third major hurricane of the 2004 Atlantic hurricane season. The system crossing the open Atlantic during mid to late August, moving to the north of the Lesser Antilles while strengthening. Its outer bands affected Puerto...

 (September 4–5), Ivan
Hurricane Ivan
Hurricane Ivan was a large, long-lived, Cape Verde-type hurricane that caused widespread damage in the Caribbean and United States. The cyclone was the ninth named storm, the sixth hurricane and the fourth major hurricane of the active 2004 Atlantic hurricane season...

 (September 16), and Jeanne
Hurricane Jeanne
Hurricane Jeanne was the deadliest hurricane in the 2004 Atlantic hurricane season. It was the tenth named storm, the seventh hurricane, and the fifth major hurricane of the season, as well as the third hurricane and fourth named storm of the season to make landfall in Florida...

 (September 25–26) cumulatively cost the state's economy $42 billion. Additionally, the four storms caused an estimated $45 billion in damage. In 2005, Hurricane Dennis
Hurricane Dennis
Hurricane Dennis was an early-forming major hurricane in the Caribbean and Gulf of Mexico during the very active 2005 Atlantic hurricane season. Dennis was the fourth named storm, second hurricane, and first major hurricane of the season...

 (July 10) became the fifth storm to strike Florida within eleven months. Later, Hurricane Katrina
Hurricane Katrina
Hurricane Katrina of the 2005 Atlantic hurricane season was a powerful Atlantic hurricane. It is the costliest natural disaster, as well as one of the five deadliest hurricanes, in the history of the United States. Among recorded Atlantic hurricanes, it was the sixth strongest overall...

 (August 25) passed through South Florida
South Florida metropolitan area
The South Florida metropolitan area, also known as the Miami metropolitan area, and designated the Miami–Fort Lauderdale–Pompano Beach, FL Metropolitan Statistical Area by the U.S...

 and Hurricane Rita
Hurricane Rita
Hurricane Rita was the fourth-most intense Atlantic hurricane ever recorded and the most intense tropical cyclone ever observed in the Gulf of Mexico. Rita caused $11.3 billion in damage on the U.S. Gulf Coast in September 2005...

 (September 20) swept through the Florida Keys
Florida Keys
The Florida Keys are a coral archipelago in southeast United States. They begin at the southeastern tip of the Florida peninsula, about south of Miami, and extend in a gentle arc south-southwest and then westward to Key West, the westernmost of the inhabited islands, and on to the uninhabited Dry...

. Hurricane Wilma
Hurricane Wilma
Hurricane Wilma was the most intense tropical cyclone ever recorded in the Atlantic basin. Wilma was the twenty-second storm , thirteenth hurricane, sixth major hurricane, and fourth Category 5 hurricane of the record-breaking 2005 season...

 (October 24) made landfall near Cape Romano
Cape Romano
Cape Romano is a cape at the southern end of Caxambas Island, just south of Marco Island and northwest of the Ten Thousand Islands in Collier County, Florida.Calusa Indians founded the settlement and called it Manataca...

, just south of Marco Island
Marco Island, Florida
Marco Island is a city in Collier County, Florida, United States, located on an island by the same name in the Gulf of Mexico off the coast of Southwest Florida. It is a principal city of the Naples–Marco Island Metropolitan Statistical Area...

, finishing another very active hurricane season. Wilma is the second most expensive hurricane in Florida history, due in part to a five year window in which to file claims.

Florida was the site of the second costliest weather disaster in U.S. history, Hurricane Andrew
Hurricane Andrew
Hurricane Andrew was the third Category 5 hurricane to make landfall in the United States, after the Labor Day Hurricane of 1935 and Hurricane Camille in 1969. Andrew was the first named storm and only major hurricane of the otherwise inactive 1992 Atlantic hurricane season...

, which caused more than US$25 billion
1000000000 (number)
1,000,000,000 is the natural number following 999,999,999 and preceding 1,000,000,001.In scientific notation, it is written as 109....

 in damage when it struck on August 24, 1992. In a long list of other infamous hurricane strikes are the 1926 Miami hurricane
1926 Miami Hurricane
The 1926 Miami hurricane was a Category 4 hurricane that devastated Miami in September 1926. The storm also caused significant damage in the Florida Panhandle, the U.S. state of Alabama, and the Bahamas...

, the 1928 Okeechobee hurricane
1928 Okeechobee Hurricane
The Okeechobee hurricane, or San Felipe Segundo hurricane, was a deadly hurricane that struck the Leeward Islands, Puerto Rico, the Bahamas, and Florida in September of the 1928 Atlantic hurricane season...

, the Labor Day Hurricane of 1935
Labor Day Hurricane of 1935
The 1935 Labor Day Hurricane was the strongest tropical cyclone of the 1935 Atlantic hurricane season, and one of the most intense hurricanes to make landfall in the United States in recorded history...

, Hurricane Donna
Hurricane Donna
Hurricane Donna in the 1960 Atlantic hurricane season was a Cape Verde-type hurricane which moved across the Leeward Islands, Puerto Rico, Hispanola, Cuba, The Bahamas, and every state on the East Coast of the United States...

 in 1960, and Hurricane Opal
Hurricane Opal
Hurricane Opal was a Category 4 hurricane that formed in the Gulf of Mexico in September 1995.Opal was the ninth hurricane and the strongest of the abnormally active 1995 Atlantic hurricane season...

 in 1995. Recent research suggests the storms are part of a natural cycle and not a result of global warming
Global warming
Global warming refers to the rising average temperature of Earth's atmosphere and oceans and its projected continuation. In the last 100 years, Earth's average surface temperature increased by about with about two thirds of the increase occurring over just the last three decades...

.
Average High and Low temperatures for various Florida Cities
City Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Jacksonville
Jacksonville, Florida
Jacksonville is the largest city in the U.S. state of Florida in terms of both population and land area, and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968...

65/43 68/45 74/50 80/56 86/64 90/70 92/73 91/73 87/70 80/61 73/51 66/44
Key West
Key West, Florida
Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 , Sigsbee Park , Fleming Key , and Sunset Key...

75/65 76/66 79/69 82/72 85/76 88/78 89/80 90/80 88/78 85/76 80/71 76/67
Melbourne
Melbourne, Florida
Melbourne is a city in Brevard County, Florida, United States. As of 2009, the population estimated by the U.S. Census Bureau is 78,323. The municipal area is the second largest by size and by population in the county. Melbourne is a principal city of the Palm Bay – Melbourne – Titusville, Florida...

72/51 73/53 77/57 81/61 85/67 88/71 90/73 90/73 88/72 83/67 78/60 73/53
Miami
Miami, Florida
Miami is a city located on the Atlantic coast in southeastern Florida and the county seat of Miami-Dade County, the most populous county in Florida and the eighth-most populous county in the United States with a population of 2,500,625...

76/60 77/61 80/64 83/68 86/72 88/75 90/77 90/77 88/76 85/72 81/67 77/62
Pensacola
Pensacola, Florida
Pensacola is the westernmost city in the Florida Panhandle and the county seat of Escambia County, Florida, United States of America. As of the 2000 census, the city had a total population of 56,255 and as of 2009, the estimated population was 53,752...

61/43 64/46 70/51 76/58 84/66 89/72 90/74 90/74 87/70 80/60 70/50 63/45
Tallahassee
Tallahassee, Florida
Tallahassee is the capital of the U.S. state of Florida. It is the county seat and only incorporated municipality in Leon County, and is the 128th largest city in the United States. Tallahassee became the capital of Florida, then the Florida Territory, in 1824. In 2010, the population recorded by...

64/40 67/42 73/48 80/53 87/62 91/69 91/72 91/72 88/68 81/57 72/47 66/41
Tampa
Tampa, Florida
Tampa is a city in the U.S. state of Florida. It serves as the county seat for Hillsborough County. Tampa is located on the west coast of Florida. The population of Tampa in 2010 was 335,709....

71/51 72/52 77/57 82/62 88/68 90/73 90/75 90/75 89/73 84/66 77/58 72/52

Fauna

Florida is host to many types of wildlife including:
  • Marine Mammals: Bottlenose Dolphin
    Bottlenose Dolphin
    Bottlenose dolphins, the genus Tursiops, are the most common and well-known members of the family Delphinidae, the family of oceanic dolphins. Recent molecular studies show the genus contains two species, the common bottlenose dolphin and the Indo-Pacific bottlenose dolphin , instead of one...

    , Short-finned Pilot Whale
    Short-finned Pilot Whale
    The Short-finned Pilot Whale is one of the two species of cetacean in the genus Globicephala. It is part of the oceanic dolphin family , though its behaviour is closer to that of the larger whales....

    , North Atlantic Right Whale
    North Atlantic Right Whale
    The North Atlantic right whale which means "good, or true, whale of the ice") is a baleen whale, one of three right whale species belonging to the genus Eubalaena, formerly classified as a single species. With only 400 in existence, North Atlantic right whales are among the most endangered whales...

    , West Indian Manatee
    West Indian Manatee
    The West Indian Manatee is a manatee, and the largest surviving member of the aquatic mammal order Sirenia . The West Indian Manatee, Trichechus manatus, is a species distinct from the Amazonian Manatee, T. inunguis, and the West African Manatee, T. senegalensis...

  • Reptiles: American Alligator
    American Alligator
    The American alligator , sometimes referred to colloquially as a gator, is a reptile endemic only to the Southeastern United States. It is one of the two living species of alligator, in the genus Alligator, within the family Alligatoridae...

     and Crocodile
    American Crocodile
    The American crocodile is a species of crocodilian found in the Neotropics. It is the most widespread of the four extant species of crocodiles from the Americas. Populations occur from the Atlantic and Pacific coasts of southern Mexico to South America as far as Peru and Venezuela. It also lives...

    , Eastern Diamondback
    Crotalus adamanteus
    Crotalus adamanteus is a venomous pit viper species found in the southeastern United States. It is the heaviest venomous snake in the Americas and the largest rattlesnake. It featured prominently in the American Revolution, specifically as the symbol of what many consider to be the first flag of...

     and Pygmy Rattlesnakes
    Sistrurus miliarius barbouri
    Sistrurus miliarius barbouri is a venomous pitviper subspecies found in the southeastern United States.-Description: Adults grow to between 35.5 and 76 cm in length . In a study that involved 103 males and 80 females, the average length was 53.5 cm. Snellings and Collins reported a specimen...

    , Gopher Tortoise
    Gopherus polyphemus
    The gopher tortoise is a species of the Gopherus genus native to the southeastern United States. The gopher tortoise is seen as a keystone species because it digs burrows that provide shelter for 360 other animal species...

    , Green and Leatherback Sea Turtle
    Leatherback Sea Turtle
    The leatherback sea turtle is the largest of all living sea turtles and the fourth largest modern reptile behind three crocodilians. It is the only living species in the genus Dermochelys. It can easily be differentiated from other modern sea turtles by its lack of a bony shell. Instead, its...

    s, Eastern Indigo Snake
    Drymarchon
    Indigo snakes are a genus of large non-venomous colubrid snakes found in Southeastern United States, Central America, and South America. Three to four species are currently recognized.-Description:...

  • Mammals: Florida panther
    Florida Panther
    The Florida panther is an endangered subspecies of cougar that lives in forests and swamps of southern Florida in the United States. Its current taxonomic status is unresolved, but recent genetic research alone does not alter the legal conservation status...

    , Northern River Otter
    Northern River Otter
    The North American river otter , also known as the northern river otter or the common otter, is a semiaquatic mammal endemic to the North American continent, found in and along its waterways and coasts. An adult river otter can weigh between 5 and 14 kg...

    , Mink
    Mink
    There are two living species referred to as "mink": the European Mink and the American Mink. The extinct Sea Mink is related to the American Mink, but was much larger. All three species are dark-colored, semi-aquatic, carnivorous mammals of the family Mustelidae, which also includes the weasels and...

    , Eastern Cottontail Rabbit, Marsh Rabbit
    Marsh Rabbit
    The marsh rabbit is a small cottontail rabbit found in marshes and swamps of coastal regions of the Eastern and Southern United States. It is a strong swimmer and found only near regions of water...

    , Raccoon
    Raccoon
    Procyon is a genus of nocturnal mammals, comprising three species commonly known as raccoons, in the family Procyonidae. The most familiar species, the common raccoon , is often known simply as "the" raccoon, as the two other raccoon species in the genus are native only to the tropics and are...

    , Striped Skunk
    Striped Skunk
    The striped skunk, Mephitis mephitis, is an omnivorous mammal of the skunk family Mephitidae. Found over most of the North American continent north of Mexico, it is one of the best-known mammals in Canada and the United States.-Description:...

    , Squirrel
    Squirrel
    Squirrels belong to a large family of small or medium-sized rodents called the Sciuridae. The family includes tree squirrels, ground squirrels, chipmunks, marmots , flying squirrels, and prairie dogs. Squirrels are indigenous to the Americas, Eurasia, and Africa and have been introduced to Australia...

    , White-tailed deer
    White-tailed Deer
    The white-tailed deer , also known as the Virginia deer or simply as the whitetail, is a medium-sized deer native to the United States , Canada, Mexico, Central America, and South America as far south as Peru...

    , Key Deer
    Key Deer
    The Key Deer is an endangered deer that lives only in the Florida Keys. It is a subspecies of the White-tailed deer .-Physical description and behavior:...

    , Bobcat
    Bobcat
    The bobcat is a North American mammal of the cat family Felidae, appearing during the Irvingtonian stage of around 1.8 million years ago . With twelve recognized subspecies, it ranges from southern Canada to northern Mexico, including most of the continental United States...

    s, Gray Fox
    Gray Fox
    The gray fox is a mammal of the order Carnivora ranging throughout most of the southern half of North America from southern Canada to the northern part of South America...

    , Coyote
    Coyote
    The coyote , also known as the American jackal or the prairie wolf, is a species of canine found throughout North and Central America, ranging from Panama in the south, north through Mexico, the United States and Canada...

    , Wild Boar, Florida Black Bear
    Florida Black Bear
    The Florida black bear is a subspecies of the American black bear that has historically ranged throughout most of Florida and southern portions of Alabama and Georgia. The large black-furred bears live mainly in forested areas and have seen recent habitat reduction throughout the state...

    , Nine-banded Armadillo
    Nine-banded Armadillo
    The nine-banded armadillo , or the nine-banded, long-nosed armadillo, is a species of armadillo found in North, Central, and South America, making it the most widespread of the armadillos...

    s
  • Birds: Bald Eagle
    Bald Eagle
    The Bald Eagle is a bird of prey found in North America. It is the national bird and symbol of the United States of America. This sea eagle has two known sub-species and forms a species pair with the White-tailed Eagle...

    , Northern Caracara, Snail Kite
    Snail Kite
    The Snail Kite is a bird of prey within the family Accipitridae, which also includes the eagles, hawks, and Old World vultures. Its relative, the Slender-billed Kite, is now again placed in Helicolestes, making the genus Rostrhamus monotypic...

    , Osprey
    Osprey
    The Osprey , sometimes known as the sea hawk or fish eagle, is a diurnal, fish-eating bird of prey. It is a large raptor, reaching more than in length and across the wings...

    , White
    American White Pelican
    The American White Pelican is a large aquatic bird from the order Pelecaniformes. It breeds in interior North America, moving south and to the coasts, as far as Central America, in winter....

     and Brown Pelican
    Brown Pelican
    The Brown Pelican is the smallest of the eight species of pelican, although it is a large bird in nearly every other regard. It is in length, weighs from and has a wingspan from .-Range and habits:...

    s, Sea Gulls
    Larus
    Larus is a large genus of gulls with worldwide distribution . Many of its species are abundant and well-known birds in their ranges...

    , Whooping
    Whooping Crane
    The whooping crane , the tallest North American bird, is an endangered crane species named for its whooping sound. Along with the Sandhill Crane, it is one of only two crane species found in North America. The whooping crane's lifespan is estimated to be 22 to 24 years in the wild...

     and Sandhill Crane
    Sandhill Crane
    The Sandhill Crane is a large crane of North America and extreme northeastern Siberia. The common name of this bird references habitat like that at the Platte River, on the edge of Nebraska's Sandhills in the American Midwest...

    s, Roseate Spoonbill
    Roseate Spoonbill
    The Roseate Spoonbill, Platalea ajaja, is a gregarious wading bird of the ibis and spoonbill family, Threskiornithidae...

    , Florida Scrub Jay
    Florida Scrub Jay
    The Florida Scrub-Jay is one of the species of scrub-jay native to North America. It is the only species of bird endemic to the U.S. state of Florida. Because of this, it is heavily sought by birders who travel from across the country to observe this unique species...

     (state endemic), and others. One subspecies of Wild Turkey, Meleagris gallopavo, namely subspecies osceola, is found only in the state of Florida. The state is a wintering location for many species of eastern North American birds.
  • Invertebrates: carpenter ants, termites, and American cockroach
    American cockroach
    The American cockroach , also known as the waterbug, or misidentified as the palmetto bug , is the largest species of common cockroach, and often considered a pest. None of the Periplaneta species are endemic to the Americas; despite the name, P...

    .


The only known calving area for the Northern Right Whale is off the coasts of Florida and Georgia.

Since their accidental importation from South America into North America in the 1930s, the Red imported fire ant
Red imported fire ant
See main article Fire ant.The red imported fire ant , or simply RIFA, is one of over 280 species in the widespread genus Solenopsis...

 population has increased its territorial range to include most of the Southern United States
Southern United States
The Southern United States—commonly referred to as the American South, Dixie, or simply the South—constitutes a large distinctive area in the southeastern and south-central United States...

, including Florida. They are more aggressive than most native ant species and have a painful sting.

A number of non-native snakes have been released in the wild. In 2010 the state created a hunting season for Burmese
Burmese Python
The Burmese Python is the largest subspecies of the Indian Python and one of the 6 largest snakes in the world, native to a large variation of tropic and subtropic areas of Southern- and Southeast Asia. They are often found near water and are sometimes semi-aquatic, but can also be found in trees...

 and Indian python
Indian Python
Python molurus is a large nonvenomous python species found in many tropic and subtropic areas of Southern and Southeast Asia. It is known by the common names Indian python, black-tailed python, and Indian rock python. Two subspecies are currently recognized: the nominate subspecies and the Burmese...

s, African rock pythons, green anaconda
Green Anaconda
Eunectes murinus is a non-venomous boa species found in South America. It is the heaviest known snake species...

s, and Nile monitor lizards.

Environmental issues

Florida ranks 45th out of 50 states in total energy consumption per capita, despite the heavy reliance on air conditioners and pool pumps. This includes coal, natural gas, petroleum, and retail electricity sales. It is estimated that approximately 4% of energy in the state is generated through renewable resources. Florida's energy production is 6% of the nation's total energy output, while total production of pollutants is lower, with figures of 5.6% for nitrogen oxide
Nitrogen oxide
Nitrogen oxide can refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds:* Nitric oxide, also known as nitrogen monoxide, , nitrogen oxide* Nitrogen dioxide , nitrogen oxide...

, 5.1% for carbon dioxide
Carbon dioxide
Carbon dioxide is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom...

, and 3.5% for sulfur dioxide
Sulfur dioxide
Sulfur dioxide is the chemical compound with the formula . It is released by volcanoes and in various industrial processes. Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide unless the sulfur compounds are removed before burning the fuel...

.

It is believed that significant energy resources are located off of Florida's western coast in the Gulf of Mexico
Gulf of Mexico
The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...

, but that region has been closed to exploration since 1981. Both of Florida's U.S. Senators
United States Senate
The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

, Bill Nelson
Bill Nelson
Clarence William "Bill" Nelson is the senior United States Senator from the state of Florida and a member of the Democratic Party. He is a former U.S. Representative and former Treasurer and Insurance Commissioner of Florida...

 and Mel Martinez
Mel Martinez
Melquíades Rafael Martínez Ruiz, usually known as Mel Martinez , is a former United States Senator from Florida and served as Chairman of the Republican Party from November 2006 until October 19, 2007, the first Latino to serve as chairman of a major party...

, oppose offshore drilling and exploration. Former Governor Jeb Bush
Jeb Bush
John Ellis "Jeb" Bush is an American politician who served as the 43rd Governor of Florida from 1999 to 2007. He is a prominent member of the Bush family: the second son of former President George H. W. Bush and former First Lady Barbara Bush; the younger brother of former President George W...

, who was originally opposed to all drilling, changed his position in 2005 when he supported a bill introduced into the House of Representatives which allowed unrestricted drilling 125 miles (201.2 km) or more from the coast. Former Governor Crist, Martinez and Nelson opposed that bill, but Martinez and Nelson voted for a Senate alternative which prohibited drilling within 125 miles (201.2 km) of the Panhandle coast, and 235 miles (378.2 km) of the peninsular coast.

In July 2007, Florida Governor Charlie Crist announced plans to sign executive orders that would impose strict new air-pollution standards in the state, with aims to reduce greenhouse gas
Greenhouse gas
A greenhouse gas is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. The primary greenhouse gases in the Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone...

 emissions by 80% of 1990 levels by 2050. Crist's orders would have set new emissions targets for power companies, automobiles and trucks, and toughen conservation goals for state agencies and require state-owned vehicles to use alternative fuels.

Red tide
Red tide
Red tide is a common name for a phenomenon also known as an algal bloom , an event in which estuarine, marine, or fresh water algae accumulate rapidly in the water column and results in discoloration of the surface water. It is usually found in coastal areas...

 has been an issue on the Southwest coast of Florida, as well as other areas. While there has been a great deal of conjecture over the cause of the toxic algae bloom, there is no evidence that it is being caused by pollution or that there has been an increase in the duration or frequency of red tides.

The Florida panther
Florida Panther
The Florida panther is an endangered subspecies of cougar that lives in forests and swamps of southern Florida in the United States. Its current taxonomic status is unresolved, but recent genetic research alone does not alter the legal conservation status...

 is close to extinction
Extinction
In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...

. A record 23 were killed in 2009 by hunters and in car accidents which leaves only about 100 individuals in the wild. The Center for Biological Diversity
Center for Biological Diversity
The Center for Biological Diversity based in Tucson, Arizona, is a nonprofit membership organization with approximately 220,000 members and online activists, known for its work protecting endangered species through legal action and scientific petitions...

 and others have therefore called for a special protected area
Protected area
Protected areas are locations which receive protection because of their recognised natural, ecological and/or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the enabling laws of each country or the regulations of the international...

 for the panther to be established.
Manatees are also dying at a rate higher than their reproduction.

Protected areas

Areas under control of the National Park Service
National Park Service
The National Park Service is the U.S. federal agency that manages all national parks, many national monuments, and other conservation and historical properties with various title designations...

 include:
  • Big Cypress National Preserve
    Big Cypress National Preserve
    Big Cypress National Preserve is a United States National Preserve located in southern Florida, about 45 miles west of Miami. The Big Cypress, along with Big Thicket National Preserve in Texas, became the first national preserves in the United States National Park System when they were...

    , near Lake Okeechobee
    Lake Okeechobee
    Lake Okeechobee , locally referred to as The Lake or The Big O, is the largest freshwater lake in the state of Florida. It is the seventh largest freshwater lake in the United States and the second largest freshwater lake contained entirely within the lower 48 states...

  • Biscayne National Park
    Biscayne National Park
    Biscayne National Park is a U.S. National Park located in southern Florida, due east of Homestead. The park preserves Biscayne Bay, one of the top scuba diving areas in the United States. Ninety-five percent of the park is water. In addition, the shore of the bay is the location of an extensive...

    , in Miami-Dade County south of Miami
  • Canaveral National Seashore
    Canaveral National Seashore
    The Canaveral National Seashore is a National Seashore located between New Smyrna Beach and Titusville, Florida, in Volusia County and Brevard County, United States. The park, located on a barrier island, is home to more than 1,000 plant species and 310 bird species. CANA occupies 58,000 acres ...

    , between New Smyrna Beach
    New Smyrna Beach, Florida
    New Smyrna Beach is a city in Volusia County, Florida, United States. The population was 20,048 according to the 2000 census. As of 2007, the population recorded by the U.S. Census Bureau is 23,161.-History:...

     and Titusville
    Titusville, Florida
    Titusville is a city in Brevard County, Florida in the United States. It is the county seat of Brevard County. Nicknamed Space City, USA, Titusville is on the Indian River, west of Merritt Island and the Kennedy Space Center and south-southwest of the Canaveral National Seashore...

  • Castillo de San Marcos National Monument
    Castillo de San Marcos
    The Castillo de San Marcos site is the oldest masonry fort in the United States. It is located in the city of St. Augustine, Florida. Construction was begun in 1672 by the Spanish when Florida was a Spanish territory. During the twenty year period of British possession from 1763 until 1784, the...

    , in St. Augustine
    St. Augustine, Florida
    St. Augustine is a city in the northeast section of Florida and the county seat of St. Johns County, Florida, United States. Founded in 1565 by Spanish explorer and admiral Pedro Menéndez de Avilés, it is the oldest continuously occupied European-established city and port in the continental United...

  • De Soto National Memorial
    De Soto National Memorial
    De Soto National Memorial, 5 miles west of Bradenton, Florida, commemorates the 1539 landing of Hernando de Soto and the first extensive organized exploration by Europeans of what is now the southern United States.-De Soto expedition:...

    , in Bradenton
    Bradenton, Florida
    Bradenton is a city in Manatee County, Florida, United States. The U.S. Census Bureau estimated the city's 2007 population to be 53,471. Bradenton is the largest Principal City of the Bradenton-Sarasota-Venice, Florida Metropolitan Statistical Area, which had a 2007 estimated population of 682,833...

  • Dry Tortugas National Park
    Dry Tortugas National Park
    Dry Tortugas National Park preserves Fort Jefferson and the Dry Tortugas section of the Florida Keys. The park covers 101 mi2 , mostly water, about 68 statute miles west of Key West in the Gulf of Mexico....

    , at Key West
    Key West, Florida
    Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 , Sigsbee Park , Fleming Key , and Sunset Key...

  • Everglades National Park
    Everglades National Park
    Everglades National Park is a national park in the U.S. state of Florida that protects the southern 25 percent of the original Everglades. It is the largest subtropical wilderness in the United States, and is visited on average by one million people each year. It is the third-largest...

     in Southern Florida
  • Fort Caroline National Memorial, at Jacksonville
  • Fort Matanzas National Monument
    Fort Matanzas National Monument
    Commemorated in 1924, Fort Matanzas National Monument is a United States National Monument run by the National Park Service. The Monument consists of a 1740 Spanish fort, Fort Matanzas, and about 100 acres of salt marsh and barrier islands along the Matanzas River on the northern Atlantic coast...

    , in St. Augustine
  • Gulf Islands National Seashore
    Gulf Islands National Seashore
    Gulf Islands National Seashore offers recreation opportunities and preserves natural and historic resources along the Gulf of Mexico barrier islands of Florida and Mississippi. The protected regions include mainland areas and parts of 7 islands...

    , near Gulf Breeze
    Gulf Breeze, Florida
    Gulf Breeze is a city located on the Fairpoint Peninsula in Santa Rosa County, Florida, United States and is a suburb of Pensacola which lies to the north, across Pensacola Bay. The population was 5,665 at the 2000 census. As of 2005, the population estimated by the U.S. Census Bureau is 6,455. ...

  • Timucuan Ecological and Historic Preserve
    Timucuan Ecological and Historic Preserve
    The Timucuan Ecological and Historic Preserve is located in the city of Jacksonville, Florida, in the United States. The park was established in 1988, and covers 46,000 acres...

    , in Jacksonville

Areas under the control of the USDA United States Forest Service
United States Forest Service
The United States Forest Service is an agency of the United States Department of Agriculture that administers the nation's 155 national forests and 20 national grasslands, which encompass...

 include:
  • Apalachicola National Forest
    Apalachicola National Forest
    The Apalachicola National Forest is the largest U.S. National Forest in the state of Florida. It contains and is the only national forest located in the Florida Panhandle. The Apalachicola National Forest contains two Wilderness Areas, Bradwell Bay and Mudswamp/New River...

     along the east bank of the Apalachicola River
    Apalachicola River
    The Apalachicola River is a river, approximately 112 mi long in the State of Florida. This river's large watershed, known as the ACF River Basin for short, drains an area of approximately into the Gulf of Mexico. The distance to its farthest headstream in northeast Georgia is approximately 500...

    ,
  • Choctawhatchee National Forest
    Choctawhatchee National Forest
    Choctawhatchee National Forest is a United States National Forest established by President Theodore Roosevelt on November 27, 1908. The supervisory headquarters was established at DeFuniak Springs and moved to Pensacola in September 1910. It remained there until 1936 when it was relocated to...

     near Niceville,
  • Ocala National Forest
    Ocala National Forest
    The Ocala National Forest is the second largest National Forest in the U.S. state of Florida and covers approximately of Central Florida. It is located three miles east of Ocala and southeast of Gainesville...

     in Central Florida
    Central Florida
    Central Florida is a regional designation for the area surrounding Orlando in east central Florida, United States. The area represents the third largest population concentration in Florida, after the South Florida and Tampa Bay regions, respectively....

    , and
  • Osceola National Forest
    Osceola National Forest
    Osceola National Forest is an American National Forest located in Florida.Osceola National Forest was created by President Herbert Hoover's proclamation, on July 10, 1931...

     in Northeast Florida
    First Coast
    The First Coast is a region of Florida, in the United States. It extends along the Atlantic, or eastern, coast of the state, from the Georgia border, past the southern end of Anastasia Island, to Marineland....

    .

Geology

The Florida peninsula is a porous plateau
Plateau
In geology and earth science, a plateau , also called a high plain or tableland, is an area of highland, usually consisting of relatively flat terrain. A highly eroded plateau is called a dissected plateau...

 of karst
KARST
Kilometer-square Area Radio Synthesis Telescope is a Chinese telescope project to which FAST is a forerunner. KARST is a set of large spherical reflectors on karst landforms, which are bowlshaped limestone sinkholes named after the Kras region in Slovenia and Northern Italy. It will consist of...

 limestone
Limestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

 sitting atop bedrock
Bedrock
In stratigraphy, bedrock is the native consolidated rock underlying the surface of a terrestrial planet, usually the Earth. Above the bedrock is usually an area of broken and weathered unconsolidated rock in the basal subsoil...

 known as the Florida Platform
Florida Platform
The Florida Platform is a flat geological feature with the emergent portion being the Florida peninsula.-Structure:The platform forms a rampart between the Gulf of Mexico and the Atlantic Ocean. The platform's western edge, or Florida Escarpment, is normally defined with water depths at 300 feet...

. The emergent portion of the platform was created during the Eocene
Eocene
The Eocene Epoch, lasting from about 56 to 34 million years ago , is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era. The Eocene spans the time from the end of the Palaeocene Epoch to the beginning of the Oligocene Epoch. The start of the...

 to Oligocene
Oligocene
The Oligocene is a geologic epoch of the Paleogene Period and extends from about 34 million to 23 million years before the present . As with other older geologic periods, the rock beds that define the period are well identified but the exact dates of the start and end of the period are slightly...

 as the Gulf Trough
Gulf Trough
The Gulf Trough, also known as the Suwanee Straits, is an ancient geologic feature of Florida present during the Paleogene...

 filled with silts, clays, and sands. Flora and fauna began appearing during the 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...

. No land animals were present in Florida prior to the Miocene.

The largest deposits of potash
Potash
Potash is the common name for various mined and manufactured salts that contain potassium in water-soluble form. In some rare cases, potash can be formed with traces of organic materials such as plant remains, and this was the major historical source for it before the industrial era...

 in the country are found in Florida.

Extended systems of underwater caves, sinkholes and springs
Spring (hydrosphere)
A spring—also known as a rising or resurgence—is a component of the hydrosphere. Specifically, it is any natural situation where water flows to the surface of the earth from underground...

 are found throughout the state and supply most of the water used by residents. The limestone is topped with sand
Sand
Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.The composition of sand is highly variable, depending on the local rock sources and conditions, but the most common constituent of sand in inland continental settings and non-tropical coastal...

y soils deposited as ancient beach
Beach
A beach is a geological landform along the shoreline of an ocean, sea, lake or river. It usually consists of loose particles which are often composed of rock, such as sand, gravel, shingle, pebbles or cobblestones...

es over millions of years as global sea levels rose and fell. During the last glacial period, lower sea levels and a drier climate revealed a much wider peninsula, largely savanna
Temperate grasslands, savannas, and shrublands
Temperate grasslands, savannas, and shrublands is a terrestrial biome whose predominant vegetation consists of grasses and/or shrubs. The climate is temperate and semi-arid to semi-humid....

. The Everglades
Everglades
The Everglades are subtropical wetlands in the southern portion of the U.S. state of Florida, comprising the southern half of a large watershed. The system begins near Orlando with the Kissimmee River, which discharges into the vast but shallow Lake Okeechobee...

, an enormously wide, very slow-flowing river encompasses the southern tip of the peninsula.

Florida is tied for last place as having the fewest earthquakes of any US state. Because Florida is not located near any tectonic plate
Plate tectonics
Plate tectonics is a scientific theory that describes the large scale motions of Earth's lithosphere...

 boundaries, earthquakes are very rare, but not totally unknown. In January, 1879, a shock occurred near St. Augustine
St. Augustine, Florida
St. Augustine is a city in the northeast section of Florida and the county seat of St. Johns County, Florida, United States. Founded in 1565 by Spanish explorer and admiral Pedro Menéndez de Avilés, it is the oldest continuously occupied European-established city and port in the continental United...

. There were reports of heavy shaking that knocked plaster from walls and articles from shelves. Similar effects were noted at Daytona Beach
Daytona Beach, Florida
Daytona Beach is a city in Volusia County, Florida, USA. According to 2008 U.S. Census Bureau estimates, the city has a population of 64,211. Daytona Beach is a principal city of the Deltona – Daytona Beach – Ormond Beach, Florida Metropolitan Statistical Area, which the census bureau estimated had...

 50 miles (80.5 km) south. The tremor was felt as far south as Tampa and as far north as Savannah, Georgia
Savannah, Georgia
Savannah is the largest city and the county seat of Chatham County, in the U.S. state of Georgia. Established in 1733, the city of Savannah was the colonial capital of the Province of Georgia and later the first state capital of Georgia. Today Savannah is an industrial center and an important...

. In January 1880, Cuba was the center of two strong earthquakes that sent severe shock waves through the city of Key West, Florida
Key West, Florida
Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 , Sigsbee Park , Fleming Key , and Sunset Key...

. Another earthquake centered outside Florida was the 1886 Charleston earthquake. The shock was felt throughout northern Florida, ringing church bells at St. Augustine and severely jolting other towns along that section of Florida's east coast. Jacksonville residents felt many of the strong aftershocks that occurred in September, October, and November 1886. As recently as 2006, a magnitude 6.0 earthquake centered about 260 miles (418.4 km) southwest of Tampa in the Gulf of Mexico sent shock waves through southwest and central Florida. The earthquake was too small to trigger a tsunami and no damage was reported.
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