A preliminary 2.1-magnitude earthquake struck near San Joaquin Hills in Orange County, according to the U.S. Geological ...

California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

Seismologists are monitoring California's fault lines for the 'Big One,' a major earthquake that could cause widespread ...

And a 2.9 magnitude earthquake struck 10 miles west-southwest of Petrolia in Northern California at around 11:40 a.m. on ...

An earthquake shook portions of Coalinga and Avenal on Thursday afternoon, the USGS says.Prelimnary reports indicate it was a 4.4 magnitude.

The California coast was shaken by seven earthquakes in less than 24 hours, raising concerns among residents about the ...

Five minor earthquakes shook California on Thursday, including two rumbles just minutes apart in the San Francisco Bay area, ...

Did you feel it? Multiple earthquakes shook the Bay Area Thursday. They were recorded near Hayward, the USGS reported.

Parts of Northern and Southern California have felt light shaking from earthquakes early this week. Here's how strong they ...

The California coast has been rocked by seven earthquakes in less than a day, including four in the same city near the San ...

The California coast has been rocked by six earthquakes in less than a day. The United States Geological Survey (USGS) has ...