A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

CONTRA COSTA COUNTY, CA - Monday afternoon, a preliminary 2.4 magnitude quake was reported near San Ramon, according to the U ...

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...

Residents in Nevada woke up to a shocking 5.9 magnitude earthquake alert, but after the panic settled, the whole thing turned ...

A preliminary 4.0-magnitude earthquake struck California’s Sonoma County on Sunday afternoon, according to the US Geological ...

The federal government and earthquake experts blamed a technical glitch for the alert that sent warnings hundreds of miles ...

“On December 4, 2025, the ShakeAlert EEW system released an incorrect alert for a magnitude 5.9 earthquake near Reno and ...

A long-feared monster earthquake off California, Oregon and Washington could cause some coastal areas to sink by more than 6 feet, dramatically heightening the risk of flooding and radically reshaping ...

Governor Gavin Newsom is responding to reduce federal aid after Californians received a false earthquake alert on Dec. 4, ...

A notification about a magnitude-5.9 earthquake in western Nevada near the California border was a false alert, the USGS said ...

Below California’s famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults — some so infamous that their names are burned into the state’s collective consciousness.