Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...

Scientists have discovered unusual deep earthquakes under the Sierra Nevada. This may indicate a peeling process in the Earth ...

An earthquake with a preliminary magnitude of 5.2 hit Southern California on Monday morning. Experts with the Seismological ...

What's the Elsinore fault? California has long been a hotbed of seismic activity, with notorious San Andreas being the ...

The quake centered near San Diego, but shockwaves were felt as far as Los Angeles more than 100 miles away, according to the ...

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

Southern California typically experiences more than 10,000 earthquakes per year, according to the United States Geological ...

Fault zones are often wide, branching networks rather than narrow lines, requiring a shift to 3D models for better earthquake ...

The temblor was centered about 2.5 miles south of Julian, according to initial reports from the U.S. Geological Survey.

A 5.2-magnitude earthquake struck near San Diego at 10:08 a.m. Monday, according to the U.S. Geological Survey. The quake's ...

The world's only population of wild Devils Hole pupfish shrank to 38 members after two earthquakes greatly affected the ...

A magnitude 5.2 earthquake near Julian rattled much of Southern California and Tijuana just after 10 a.m. Monday, prompting ...