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Fault (geology)

en.wikipedia.org/wiki/Fault_(geology)

In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there ... Energy release associated with rapid movement on active faults is the cause of most earthquakes....

Earthquake Fault Map

earthquake.usgs.gov/hazards/qfaults/map/

Leaflet | Content may not reflect National Geographic's current map policy. Sources: National Geographic, Esri, DeLorme, HERE, UNEP-WCMC, USGS, NASA, ...

Earthquakes and faults - Putting Down Roots in Earthquake Country

www.earthquakecountry.org/roots/basics.html

This section describes how earthquakes happen and how they are measured. ... An earthquake is caused by a sudden slip on a fault, much like what happens ...

Faultline: Earthquake Faults & The San Andreas Fault | Exploratorium

www.exploratorium.edu/faultline/basics/faults.html

What's at fault? From an earthquake's point of view, there's more than one way to devastate a city. Most earthquakes occur along cracks in the planet's surface ...

Earthquakes and Faults / Earthquakes / Science Topics / Learning ...

www.gns.cri.nz/Home/Learning/Science-Topics/Earthquakes/Earthquakes-and-Faults

A fault line is a fracture along which the crust has moved. Stresses in the crust along New Zealand's plate boundary have broken it into separate fragments or ...

AP California Geological Survey - Alquist-Priolo Earthquake Fault ...

www.conservation.ca.gov/cgs/rghm/ap/Pages/main.aspx

The Alquist-Priolo Earthquake Fault Zoning Act was passed in 1972 to mitigate the hazard of surface faulting to structures for human occupancy. This state law ...

AP Alquist-Priolo Earthquake Fault Zones

www.conservation.ca.gov/cgs/rghm/ap

​​The Alquist-Priolo Earthquake Fault Zoning (AP) Act was passed into law following the destructive February 9, 1971 Mw 6.6 San Fernando earthquake.

Two active Southern California faults may cause a Big One by ...

www.latimes.com/science/la-me-quake-risk-20160317-story.html

Mar 17, 2016 ... Two of Southern California's most active faults could rupture together in a magnitude-7.5 earthquake, according to a new study, raising a grim ...

San Andreas fault 'locked, loaded and ready to roll' with big ...

www.latimes.com/local/lanow/la-me-ln-san-andreas-fault-earthquake-20160504-story.html

May 4, 2016 ... Southern California's section of the San Andreas fault is "locked, loaded and ready to roll," a leading earthquake scientist said at the National ...

Significant Earthquakes and Faults - Southern California Earthquake ...

scedc.caltech.edu/significant/

Oct 16, 2012 ... Below is a map of Southern California to display significant earthquakes and faults. The fault traces are shown in red. This is an interactive map.

Answer
An earthquake fault is a fracture in the earth's crust between two plates of rock. These fractures allow the plates to shift relative to each other along the fault line.
More Info

Earthquake Glossary - fault

earthquake.usgs.gov

fault. A fault is a fracture along which the blocks of crust on either side have moved relative to one another parallel to the fracture.

Earthquake Faults - IRIS

www.iris.edu

Earthquake Faults. Background page to accompany the animations on the website: IRIS Animations. Introduction. What is a fault? A fault is a rock fracture where ...

What Causes an Earthquake? Faults Explained

news.nationalgeographic.com

Jan 15, 2014 ... What was that you felt? Faults deep underground produce different kinds of earthquakes.