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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)
Simplified fault map of southern California The faults of Southern California viewed to the southeast, as modeled by the Southern California Earthquake Center. Highlighted in purple are the San Andreas Fault (left) and Santa Monica Bay complex (right). The foreground is in the Santa Barbara Channel, the east-trending zone marks the Transverse ...
This section of the San Andreas, located near the tiny central Californian town of Parkfield, last shook back in 2004. ... odds that a big earthquake will hit the fault line within 50 years ...
Scientists estimate that this section of fault—over the past 1,000 years—usually triggered a sizable earthquake every 180 years (give or take 40). But the southern San Andreas Fault (SSAF ...
The average timespan between earthquakes over the course of the last millennium has been about 180 years. ... including the nearby San Andreas Fault which runs under the small population town of ...
The western and central segments of the Transverse Ranges are bounded to the north and east by the San Andreas Fault, which separates those segments from the Mojave Desert. [1] [2] The eastern segment bounds the southern Mojave Desert. Notable passes along the San Andreas fault include Tejon Pass, Cajon Pass, and San Gorgonio Pass.
The 1857 Fort Tejon earthquake occurred at about 8:20 a.m. (Pacific time) on January 9 in central and Southern California.One of the largest recorded earthquakes in the United States, [6] with an estimated moment magnitude of 7.9, it ruptured the southern part of the San Andreas Fault for a length of about 225 miles (350 km), between Parkfield and Wrightwood.