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 occurred in northeastern San Diego County near Julian at 10:08 a.m. Monday, causing shaking that ...

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 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.

A 5.2 magnitude earthquake on Monday rattled homes and businesses in Ramona, but no significant damage was reported, officials said. The quake shook much of Southern California and Tijuana just after ...

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 ...

(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 ...