For millions of Californians, the ground did not simply shake once and fall silent. It pulsed again and again over roughly ...

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, ...

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

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

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

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 - around midnight Monday, a preliminary 2.0 magnitude quake was recorded near San Ramon, according to ...

Earthquakes, while often associated with the western United States, can strike anywhere in the country, leaving residents to experience their effects in varying degrees. This article explores why ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.5 magnitude quake occurred close to San ...