Earthquakes

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Not only does the San Andreas Fault, marking the conservative margin between the Pacific and North American plates, cross Southern California, but LA was built across a myriad of transform faults. These include the Santa Monica fault, the San Fernando fault, and the Northridge/Santa Barbara fault. In January 1994 an earthquake that registered 6.7 on the Richter scale struck. It lasted only 30 seconds and for the next few days LA suffered many aftershocks. The quake killed 60 people, injured several thousand, and left over a quarter of a million people without water and electricity.

Major California faults include:
San Andreas
Santa Monica
San Fernando
Garlock Fault

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References:

http://pubs.usgs.gov/gip/earthq3
http://quake.usgs.gov
http://quake.wr.usgs.gov/info/faultmaps/fault224.html
http://quakedc.caltech.edu/3128/fernando.html

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Created by:  Josh Brewer
Last Updated:  December 2003