More than 360 minor earthquakes were reported in and around the Imperial County city of Brawley between the Salton Sea and the Mexican Border.

Earthquakes usually occur along fracture zones in Earth's crust, where large tectonic plates slide past one another and become locked. Stress builds up over long periods and is suddenly released in the form of an earthquake.

SAN DIEGO COUNTY, CA - A preliminary 2.4 magnitude quake occurred close to Pine Valley on Monday morning, the U.S. Geological Survey reported.

A 4.9-magnitude earthquake struck Indio, California, on Monday, according to the United States Geological Survey (USGS). The tremors were felt across Southern California, including San Diego, Palm Springs, Temecula, and Riverside. The earthquake struck the ...