ENSENADA, B.C. - the U.S. Geological Survey reported that a preliminary 3.5 magnitude quake occurred near Progreso, B.C.

CONTRA COSTA COUNTY, CA - A preliminary 2.0 magnitude quake was recorded close to San Ramon around midday Tuesday, according ...

An earthquake with a magnitude of 3.5 struck Northern California on Sunday in Humboldt County, just north of the Mendocino ...

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

A minor, 3.3-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey ...

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

Volunteers could sit inside the trailer and feel the sensations that take place during a high-magnitude quake.

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 ...

A 4.3 magnitude earthquake struck Berkeley, California, on Monday morning, the U.S. Geological Survey (USGS) said.

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

The Great California Shakeout is coming. The event is an annual earthquake drill, aimed at increasing public awareness about what to do during major shaking.