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

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

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

(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 ...

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 magnitude 5.2 earthquake that shook most of Southern ... border through San Diego County to the northern end of the Santa Ana mountains near Los Angeles," said The San Diego Union-Tribune.

LOS ANGELES — Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults ... Norwalk, Santa Ana, Garden Grove, Anaheim, Orange, Irvine ...

The ShakeAlert earthquake warning system — which is operational in California ... San Diego neighborhood of Rancho Peñasquitos, Santa Ana and southern Orange County said they got the earthquake ...

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 ...