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Plaque showing location of San Andreas Fault in San Mateo County. The San Andreas Fault is a continental right-lateral strike-slip transform fault that extends roughly 1,200 kilometers (750 mi) through the U.S. state of California. [1] It forms part of the tectonic boundary between the Pacific plate and the North American plate. Traditionally ...
Southern California's complex rock formations are a result of uplift by the region's active faults. The San Gabriel and San Bernardino Mountains gained their height from the displacement of brittle granite crust by the San Andreas and the Elsinore Faults. Movement of the Sierra Madre and Raymond Fault have both lifted the northern Los Angeles ...
Scientists believe they may have found a reason why the San Andreas Fault, the largest seismic hazard in California, has been dormant for more than three centuries.. The average timespan between ...
The fault line absolutely devastated San Francisco back in 1906, and also wreaked havoc in southern California in 1857. While the fault hasn’t experienced a similar shake in the 21st century ...
The San Jacinto Fault Zone and the San Andreas Fault (SAF) accommodate up to 80% of the slip rate between the North American and Pacific plates.The extreme southern portion of the SAF has experienced two moderate events in historical times, while the SJFZ is one of California's most active fault zones and has repeatedly produced both moderate and large events.
The southern section of California’s San Andreas fault hasn’t experienced a major earthquake in 300 years, and is around a century overdo for a “big one.” ... ancient Lake Cahuilla ...
A full fault rupture, estimated to be around a 7.5 magnitude, could kill between 3,000 and 18,000 people, according to US Geological Survey and Southern California Earthquake Center.
According to Yule 2009, the pass is the single "largest discontinuity along the San Andreas fault". [4] One active branch of the San Andreas Fault passes through the San Gorgonio Pass roughly parallel and just to the north of interstate 10. Active parts of the Banning, the Garnet Hill and the San Gorgonio Pass Thrust faults are associated with ...