The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

SAN BENITO COUNTY, CA - A preliminary 3.3 magnitude quake was detected near San Juan Bautista Thursday afternoon, the U.S.

HUMBOLDT COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.7 magnitude quake shook close to Petrolia ...

At least 7 earthquakes have battered a mountain range in Ventura County on Thursday morning, with preliminary magnitudes measured between 2.5 and 3.3, officials say. According to the U.S.

A series of small earthquakes rattled the East Bay on Monday, with 11 quakes recorded in a single day, according to the U.S.

An earthquake with a preliminary magnitude of 3.3 rattled off the coast of Orange County on Sunday afternoon, officials ...

The U.S. Geological Survey is investigating the cause of a false alert sent out reporting a 5.9 earthquake that never ...

A 2.7-magnitude earthquake struck in San Luis Obispo County the early hours of December 4, 2025, according to the U.S.

A false earthquake alert mistakenly prompted Northern Californians to "drop, cover, and hold on"; officials confirm no quake ...

An earthquake alert preparing people to "drop, cover, hold on" buzzed on phones in the US on Thursday - but turned out to be ...

Paul Earle, director of the USGS National Earthquake Information Center, told SFGATE that the alert was an “errant message ...