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Aseismic creep

 
Aseismic Creep

 
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Aseismic creep
 
 
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In geology
Geology

Geology is the science and study of the solid and liquid matter that constitute the Earth. The field of geology encompasses the study of the composition, structural geology, physical properties, dynamics, and History of the Earth of Earth materials, and the processes by which they are formed, moved, and changed....
, aseismic creep is measurable surface displacement along a fault
Geologic fault

In geology, a fault or fault line is a planar Fracture in rock in which the rock on one side of the fracture has moved with respect to the rock on the other side....
 in the absence of notable earthquake
Earthquake

An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. Earthquakes are recorded with a seismometer, also known as a seismograph....
s.

An example is along the Calaveras fault
Calaveras Fault

The Calaveras Fault is a major branch of the San Andreas Fault located in northern California in the San Francisco Bay Area. It runs east of the San Andreas, diverging from it in the vicinity of Hollister, California, and is responsible for the formation of the Calaveras Valley there....
 in Hollister
Hollister, California

Hollister is a city in and the county seat of San Benito County, California, California, United States. The population was 34,413 at the United States Census, 2000....
, California
California

California is a U.S. state on the West Coast of the United States of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexico state of Baja California....
. Streets crossing the fault in Hollister show significant offset and several houses sitting atop the fault are notably twisted (yet inhabitable). The city attracts geologists and geology students almost weekly. There is also significant aseismic creep along the Hayward fault
Hayward Fault Zone

The Hayward Fault Zone is a geologic fault zone capable of generating significantly destructive earthquakes. About 60 kilometers long, it lies mainly along the western base of the hills on the east side of San Francisco Bay....
 in and north of Hayward
Hayward, California

Hayward is a city located in the East Bay in Alameda County, California. The sixth largest city in the San Francisco Bay Area, it is one of the larger suburbs of Oakland, California....
, California, but insufficient to prevent a substantial earthquake.






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In geology
Geology

Geology is the science and study of the solid and liquid matter that constitute the Earth. The field of geology encompasses the study of the composition, structural geology, physical properties, dynamics, and History of the Earth of Earth materials, and the processes by which they are formed, moved, and changed....
, aseismic creep is measurable surface displacement along a fault
Geologic fault

In geology, a fault or fault line is a planar Fracture in rock in which the rock on one side of the fracture has moved with respect to the rock on the other side....
 in the absence of notable earthquake
Earthquake

An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. Earthquakes are recorded with a seismometer, also known as a seismograph....
s.

An example is along the Calaveras fault
Calaveras Fault

The Calaveras Fault is a major branch of the San Andreas Fault located in northern California in the San Francisco Bay Area. It runs east of the San Andreas, diverging from it in the vicinity of Hollister, California, and is responsible for the formation of the Calaveras Valley there....
 in Hollister
Hollister, California

Hollister is a city in and the county seat of San Benito County, California, California, United States. The population was 34,413 at the United States Census, 2000....
, California
California

California is a U.S. state on the West Coast of the United States of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexico state of Baja California....
. Streets crossing the fault in Hollister show significant offset and several houses sitting atop the fault are notably twisted (yet inhabitable). The city attracts geologists and geology students almost weekly. There is also significant aseismic creep along the Hayward fault
Hayward Fault Zone

The Hayward Fault Zone is a geologic fault zone capable of generating significantly destructive earthquakes. About 60 kilometers long, it lies mainly along the western base of the hills on the east side of San Francisco Bay....
 in and north of Hayward
Hayward, California

Hayward is a city located in the East Bay in Alameda County, California. The sixth largest city in the San Francisco Bay Area, it is one of the larger suburbs of Oakland, California....
, California, but insufficient to prevent a substantial earthquake.
Haywardfaultcreep

External links

  • - California State University at Hayward web site with images showing fault creep on the Hayward Fault
    Hayward Fault Zone

    The Hayward Fault Zone is a geologic fault zone capable of generating significantly destructive earthquakes. About 60 kilometers long, it lies mainly along the western base of the hills on the east side of San Francisco Bay....
    .
  • msnucleus.org, K-12 math and science education site.