Earthquake Bay Area Fault Lines

A buckled highway just outside of Napa, California, after earthquake struck the area in the early hours of August 24, 2014. Getty . The last major quake along the Hayward fault happened in October of 1868, when a magnitude 6.8 hit the San Francisco Bay region, making it the most destructive earthquake in the state’s history.

The worst scenario for the next earthquake in the San Francisco Bay Area is not from the San Andreas Fault, experts say, but from the Hayward Fault.

A 3.8 earthquake shook the South Bay on Monday morning, according to the U.S. Geological Survey.

It's 4:18 in the afternoon in Oakland, California. Deep below the city, the Hayward Fault -- one of the most active fault lines in the country -- suddenly slips, setting off a magnitude-7.0 earthquake.

Investigation into the Hayward Fault and the Rodgers Creek Fault in the Bay Area reveals potential for real devastation

The San Andreas Fault is a continental transform fault that extends roughly 1,200 kilometers (750 mi) through California. It forms the tectonic boundary between the Pacific Plate and the North American Plate, and its motion is right-lateral strike-slip (horizontal).

The Hayward Fault Zone is a geologic fault zone capable of generating destructive earthquakes.This fault is about 74 mi (119 km) long, situated mainly along the western base of the hills on the east side of San Francisco Bay.

Fault Lines in the US: This Map Shows the Major Earthquake Hazard Areas Within the United States. Watch the video about the major active US fault lines.

San Francisco is undergoing a skyscraper building boom, but the city's building stock — including skyscrapers — is at serious risk in a major earthquake. There's a 76% chance that the San Francisco Bay Area could experience a devastating 7.2 magnitude earthquake within the next 30 years ...

Magnitude-5.3 Earthquake Shakes Widespread Part of Southern California The off-shore system of faults that produced Thursday's quake bends around California's most famous fault, the San Andreas

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