A major earthquake hasn't struck any of California's biggest cities in more than three decades, but the "Big One" is a matter ...

INYO COUNTY, CA - on Sunday around midday, a preliminary 2.1 magnitude quake was recorded near Bishop, according to the U.S.

Down in California, the San Andreas Fault marks the boundary where the North American and Pacific plates are sliding past ...

Millions of Californians are set to "Drop, Cover, and Hold On" on Thursday as part of the annual Great California ShakeOut ...

In the Bay Area, BART plans to automatically slow down its trains and have them come to a brief stop, as the system is ...

Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

Did you feel it? A magnitude 3.1 earthquake struck in Berkeley just east of Cal Memorial Stadium Thursday morning, according ...

Millions of Californians have signed up to drop, cover and hold on Thursday for the Great California ShakeOut. The annual ...

A retired scientist with the USGS worries about the impact the government shutdown is having on the agency's earthquake ...

The most widespread way is through Wireless Emergency Alerts (WEA), which sends loud alerts to all cellphones. If an ...

The Great California Shakeout is coming. The event is an annual earthquake drill, aimed at increasing public awareness about ...

The Great ShakeOut takes place on the third Thursday of every October. The event is part of a global earthquake drill.