SAN BENITO COUNTY, CA - A 3.6 magnitude quake rattled near Ridgemark on Saturday night, the U.S. Geological Survey reported.

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

The swarm included a 4.7-magnitude quake.

There have been more than 400 tremors recorded in this swarm as of May 11. How unusual is this?

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

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

A cluster of earthquakes have struck near the U.S.-Mexico border, including ones with a 4.5 and 4.7 magnitude, according to ...

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.

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 ...