Monday’s magnitude 5.2 temblor marked another success for California’s earthquake early warning system, with users in some areas saying they received alerts on their phones before they felt ...

Scientists found new evidence that Earth’s crust is peeling underneath the Sierra Nevada in California. The process might be ...

Southern California’s last magnitude 7.9 earthquake occurred in 1857 ... upon which sits San Francisco, the Central Valley and Big Bear Lake. That strain accumulates over decades and centuries ...

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States ...

Monday's earthquake was centered outside Julian, California, the USGS said ... The 7.7-magnitude earthquake devastated its central heartland, killing more than 3,600 people and leveling structures ...

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

An earthquake with a 5.2 preliminary magnitude was reported near Julian, California on April 14, according to the U.S. Geological Survey. Several aftershocks of lesser magnitudes were also recorded in ...

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

(Robert de Groot / U.S. Geological Survey) Monday's magnitude 5.2 temblor marked another success for California's earthquake early warning system, with users in some areas saying they received ...

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

A magnitude 5.2 earthquake jolted southern California Monday morning near San Diego felt as far away as Mexico, according to ...