SAN DIEGO COUNTY, CA - A preliminary 2.0 magnitude quake struck close to Lake Henshaw on Thursday morning, the U.S.

A nearly 5.0 magnitude earthquake was reported near Indio, California, and was felt in San Diego, Orange County and Temecula.

A 5.2 magnitude earthquake on Monday rattled homes and businesses in Ramona, but no significant damage was reported, officials said. The quake shook much of Southern California and Tijuana just after ...

A 3.3 magnitude earthquake struck off the coast of Orange County, California, causing weak to light shaking to be felt as far north as Fullerton and Anaheim, and as far south as Mira Mesa and Scripps ...