ORANGE COUNTY, CA - on Sunday around midday, a 3.1 magnitude quake was registered near San Clemente, according to the U.S.

A 3.3 magnitude earthquake struck off the coast of Orange County, California, causing weak to light shaking to be felt as far ...

Multiple small earthquakes struck Monday morning, centered near San Ramon, according to the United States Geological Survey.

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SAN DIEGO COUNTY, CA - Wednesday night, a 2.0 magnitude quake was detected close to Borrego Springs, according to the U.S.

At least 7 earthquakes have battered a mountain range in Ventura County on Thursday morning, with preliminary magnitudes measured between 2.5 and 3.3, officials say. According to the U.S.

A 3.3 magnitude earthquake struck off the coast of Orange County, California, causing weak to light shaking to be felt as far ...

San Diego County Supervisors voted to explore new options for the storage and removal of nuclear waste from the San Onofre ...

San Diego County Supervisors approved a proposal to seek national lab partnerships to tackle nuclear waste at San Onofre.

A magnitude 3.3 earthquake occurred at 12:36 p.m. Sunday along the Camp Pendleton coastal line, generating brief, minor ...

Japan was assessing damage and warning residents about potential aftershocks after a late-night 7.5 magnitude earthquake.