A preliminary magnitude 4.0 earthquake hit the North Bay Sunday afternoon, according to the United States Geological Survey.

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

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

A powerful magnitude-7.5 earthquake struck off Japan’s northeastern coast on Monday, triggering evacuation orders and a ...

Officials said the megaquake advisory is not a prediction and the probability of a magnitude 8 or larger quake is only about ...

A minor, 3.1-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey ...

Japan has lifted a tsunami advisory issued after an earthquake with a magnitude of 6.9 hit the country's northeastern region ...

A nagnitude-5.7 quake hits 67 miles northeast of Kuji, Japan, rattling coastal towns just days after a tsunami warning.

SAN BERNARDINO COUNTY, CA - A preliminary 2.0 magnitude quake was reported close to Ludlow Monday evening, according to the U ...

An earthquake with a preliminary magnitude of 6.7 hit Japan's northeastern region on Friday, prompting a tsunami advisory for ...

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 ...