CONTRA COSTA COUNTY, CA - Sunday night, a preliminary 2.7 magnitude quake was detected near San Ramon, according to the U.S.

SAN LUIS OBISPO COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake occurred near Pismo ...

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 ...

San Luis Obispo Mothers For Peace And The Advocated To Shut Down The Plant Due To Seismic Risks And Significant Harm To ...

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.