MONO COUNTY, CA - A preliminary 2.8 magnitude quake shook near Markleeville on Wednesday morning, the U.S. Geological Survey ...

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

The earthquakes continued for hours until a heavy 4.5-magnitude quake rattled the Southern California city from a depth of ...

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

The swarm included a 4.7-magnitude quake.

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 ...

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

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

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 ...