TOKYO (AP) — A powerful earthquake struck off the coast of northern Japan on Monday, triggering a tsunami alert, the Japanese ...

A 3.7 earthquake rattled San Ramon on Monday morning, following several earlier small quakes in the area, according to the ...

CONTRA COSTA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.1 magnitude quake occurred close to San ...

A new swarm of earthquakes has broken out near California's Bay Area, the sight of several swarms since Thanksgiving.

The United States is not expected to experience any tsunamis after a powerful earthquake rocked northern Japan on Dec. 8, ...

A powerful 7.6 magnitude earthquake shook northern Japan on Dec. 8 and prompted a tsunami warning, officials said. The Japan ...

CONTRA COSTA COUNTY, CA - Monday morning, a preliminary 2.1 magnitude quake was registered near San Ramon, according to the U ...

A handful of small earthquakes hit south of San Ramon on Monday morning, according to the U.S. Geological Survey.

A 3.0-magnitude earthquake struck Contra Costa County early Monday morning, according to the U.S. Geological Survey.

A magnitude 3.3 earthquake occurred at 12:36 p.m. Sunday along the Camp Pendleton coastal line, generating brief, minor ...

A 3.3 magnitude earthquake struck off the coast of Orange County, California, causing weak to light shaking to be felt as far ...