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

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

SONOMA COUNTY, CA - A 2.4 magnitude quake struck close to The Geysers on Sunday night, according to the U.S. Geological ...

New geological models and updated hazard assessments from the U.S. Geological Survey and leading universities are once again ...

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

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

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.

MENDOCINO COUNTY, CA - A preliminary 2.0 magnitude quake occurred close to Cobb on Tuesday afternoon, according to the U.S.

A 3.3-magnitude earthquake rattled the parts of California on Monday - following days of concering tremors across the weekend. The quake struck in the Redlands area and measured an initial 3.4 at ...

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 ...