While not a household name like the San Andreas, the Elsinore fault is part of a larger seismic zone that experts fear and ...

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

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

The magnitude 5.2 earthquake that shook most of Southern California on Monday did not result in any reported injuries or ...

(Robert de Groot / U.S. Geological Survey) The ShakeAlert earthquake warning system — which is operational in California ... of Rancho Peñasquitos, Santa Ana and southern Orange County said ...

A magnitude 5.2 earthquake ... California, according to the USGS. The 190-mile long strike-slip fault extends from near the U.S.-Mexico border through San Diego County to the northern end of ...

A 5.2 magnitude earthquake on Monday rattled homes and businesses in Ramona, but no significant damage was reported, ...

California has experienced four earthquakes in less than 12 hours ... which caused ground fissures in the Los Angeles, Santa Ana and Santa Clara Rivers. Trees were uprooted, buildings were ...

The temblor started 8.3 miles deep, immediately south of the Elsinore fault zone, one of the busiest seismic zones in California, according to the USGS. The earthquake ... of the Santa Ana ...