Californians will participate in the Great ShakeOut drill on Thursday to practice earthquake preparedness at 10:16 a.m.

SONOMA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.1 magnitude quake occurred near The Geysers ...

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

A minor earthquake struck Contra Costa County Monday afternoon, with shaking felt in parts of the East Bay, officials ...

A California Geological Survey map released earlier this year depicts just how intense and damaging the shaking from future earthquakes will be across the state, revealing where the threat is most ...

The Bay Area of California was shaken by a magnitude 4.3 earthquake overnight, according to the U.S. Geological Survey, and although the experience is rare in Michigan, it's not unheard of. The San ...

A 3.2-magnitude earthquake shook parts of Southern California, the U.S. Geological Survey reported. The about 10-mile deep quake hit about 2 miles southeast from Warner Springs in Northern San Diego ...

CONTRA COSTA COUNTY, CA - Monday afternoon, a 3.3 magnitude quake was recorded near Clayton, according to the U.S. Geological Survey. It was reported that a tremor rattled the area at 3 p.m. The ...

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