HUMBOLDT COUNTY, CA - A 2.8 magnitude quake occurred close to Petrolia on Sunday morning, the U.S. Geological Survey reported ...

INYO COUNTY, CA - A preliminary 2.2 magnitude quake occurred near Searles Valley on Wednesday afternoon, according to the U.S ...

Nearly 200,000 people in Southern California felt shaking after hundreds of earthquakes rattled the Imperial County desert ...

The seismic activity has ranged from very low magnitude up to 4.7 magnitude in strength, according to the USGS data.

A swarm of earthquakes rattled Southern California's Imperial County on Saturday, with the largest reported temblor ...

A magnitude 4.6 earthquake struck California’s Central Coast early Thursday morning, according to the U.S. Geological Survey (USGS). The quake hit near Boulder Creek, Calif., at 1:41 a.m. PDT, with an ...

A magnitude 4.2 earthquake shook parts of the North Bay and other Northern California areas early Thursday morning.

Emergency officials say it’s critical that community members act now to prepare for an earthquake given the chances of a large one striking the region and the unpredictable nature of such a disaster.

Dozens of earthquakes rattled parts of California on Saturday and into Sunday in what experts call an earthquake swarm, with ...

Southern California and southwest Arizona are on earthquake alert after a swarm shook Imperial County.

A 5.7-magnitude earthquake in Nevada sent tremors across parts of Northern California on Monday evening. The U.S. Geological Survey said the epicenter of the quake was about 12 miles southeast of ...