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

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

Did you feel it? Preliminary magnitude 3.2 earthquake struck near Colma in San Mateo County Friday evening, the U.S.

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

San Ramon was hit by more than 90 tremors in mid-November.

Japan is learning what life is life under a megaquake watch. NPR's Rob Schmitz talks to Richard Allen, director of the Berkeley Seismology Lab, about what it means.

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 March 28, 2025, Myanmar earthquake is giving scientists a rare look into how some of the world's most dangerous fault ...

Japan issued a megaquake advisory Tuesday after a magnitude 7.5 earthquake struck off the eastern coast of Aomori. Dr. Lucy Jones tells us how it relates to Southern California.

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