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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 ...
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 ...
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)
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 ...
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 ...
On October 17, 1989, at 5:04 p.m. local time, the Loma Prieta earthquake occurred at the Central Coast of California. The shock was centered in The Forest of Nisene Marks State Park in Santa Cruz County, approximately 10 mi (16 km) northeast of Santa Cruz on a section of the San Andreas Fault System and was named for the nearby Loma Prieta Peak in the Santa Cruz Mountains.
San Andreas Fault San Andreas Fault in the Bay Area Mission San Jose (Ohlone) people. The San Andreas Fault (pictured) begins to form in the mid Cenozoic about 30 million years ago; 9.5 million years ago, the Moraga Volcanics produces most of the lavas that underlie the East Bay ridges from present day Tilden Regional Park to Moraga