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

CONTRA COSTA COUNTY, CA - Monday afternoon, a preliminary 2.4 magnitude quake was reported near San Ramon, according to the U ...

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

A megaquake is defined as an exceptionally large earthquake, typically of magnitude 8.0 or higher, that occurs in a subduction zone. Subduction zones are geological areas where one tectonic plate is ...

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 ...

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

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, ...

A landmark deal with Pacific Gas & Electric will extend the life of the state's remaining nuclear power plant in exchange for thousands of acres of new conservation in San Luis Obispo County.

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.