This mulitbeam sonar image shows the San Andreas Fault cutting through the head of Noyo Canyon, offshore approximately 12 miles northwest of Fort Bragg, Calif. (Image credit: Image courtesy of San ...

An effort to map offshore portions of the San Andreas fault could help scientists better understand past earthquakes -- and the potential for future ones. For the first time, scientists are using ...

The San Andreas fault is a boundary between two of these tectonic plates. ... Researchers like Jordan are building up huge, incredibly detailed 3D maps of the geology near the San Andreas fault.

One of the key factors in preparing for the “Big One,” the next massive earthquake in California, is estimating “slip rate,” the speed at which one side of the San Andreas Fault is moving past the ...

1838, northern San Andreas fault, magnitude 7.4: Damage was reported from San Francisco to Santa Clara; the fault likely ruptured from Woodside on the peninsula south of San Francisco to Watsonville.

It's 100 years since San Francisco was destroyed by a huge earthquake. Now, seismic experts are dynamiting the San Andreas fault. It sounds risky, but could save the city from the next 'big one'.

The San Andreas fault, on the other hand, has a major quake once every few hundred years, with the most recent occurring in 1857, thought to be around magnitude 7.8.

A fault map of the southern part of the State shows the three parallel faults — the Elsinore fault furthest west, the San Jacinto fault about 20-30 miles to the east, and the main San Andreas ...