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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 ...
The San Andreas fault system and other large faults in California - different segments of the fault display different behavior: Date: 4 December 2009, 11:11 (UTC) Source: San_Andreas_Fault_Map.gif; Author: San_Andreas_Fault_Map.gif: USGS; derivative work: Luigi Chiesa (talk)
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 ...
A simulation of a plausible major southern San Andreas fault earthquake — a magnitude 7.8 that begins near the Mexican border along the fault plane and unzips all the way to L.A. County's ...
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.”
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It was formed by the Punchbowl Fault, which is near the San Andreas Fault to the north. The Punchbowl Formation crops out in the Punchbowl Block and comprises approximately 1,500 metres (4,900 ft) of fluvial and alluvial conglomerates, sandstones, and minor mudstones, which accumulated during the middle-late Miocene. A distinct basal member is ...