SONOMA COUNTY, CA - A preliminary 2.3 magnitude quake was recorded close to The Geysers Tuesday morning, the U.S. Geological ...

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

An earthquake with a preliminary magnitude of 3.1 shook the East Bay on Thursday morning, according to the United States ...

A total of 980,458 participants were registered in San Diego to stop everything for a minute to "drop, cover and hold on" at ...

The one-minute drill was developed to teach people what to do when a large temblor strikes. If you have the MyShake app, your ...

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

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

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

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

Loma Prieta earthquake, George Washington Bridge opening, Yom Kippur ceasefire talks, and iconic Olympic moments.

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

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