The earthquake occurred yesterday at 8:12 pm, the U.S. Geological Survey reports. With an epicenter about 5 miles southeast ...

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

Nearly 200,000 people in Southern California felt shaking after hundreds of earthquakes rattled the Imperial County desert over the weekend, with the strongest earthquake reported as a magnitude 4.7.

Note: Map shows the area with a shake intensity of 3 or greater, which U.S.G.S. defines as “weak,” though the earthquake may be felt outside the areas shown. All times on the map are Pacific time. The ...

An earthquake with a preliminary magnitude of 3.6 rattled near the Stagecoach country music festival grounds in Riverside ...

An earthquake with a preliminary magnitude of 3.2, shook portions of the Southern California coast Monday. According to the U ...