CONTRA COSTA COUNTY, CA - Friday night, a preliminary 2.0 magnitude quake was recorded near San Ramon, according to the U.S. Geological Survey.

CONTRA COSTA COUNTY, CA - Saturday morning, a preliminary 2.6 magnitude quake was reported close to San Ramon, according to ...

Several small earthquakes struck in the East Bay near San Ramon on Friday evening, according to data from the U.S. Geological ...

On December 4, 2025, millions of cell phones in California and Nevada buzzed with ShakeAlert warnings of a magnitude 5.9 earthquake near Dayton, Nevada. Emergency teams mobilized, 911 lines overloaded ...

A swarm of earthquakes rattled the Bay Area on the evening of Friday, December 19. The earthquakes occurred over a 30-minute span, according to the U.S. Geological Survey. There have been no reports ...

A preliminary magnitude 3.8 earthquake, followed by aftershocks, rattled San Ramon and other parts of the East Bay Friday ...

Multiple earthquakes rattled the Bay Area Friday evening within a 30-minute span, according to the U.S. Geological Survey.

SAN RAMON — A cluster of earthquakes struck the San Ramon area Friday night, continuing a pattern of seismic activity in ...

A series of earthquakes rattled the San Ramon area Friday night, with the largest being a preliminary magnitude 4.0, ...

The 2025 mega-quake in Myanmar was a catastrophe for the communities it struck, but for scientists it was also a ...

A series of earthquakes, including a 4.0 magnitude earthquake, rattled the area near San Ramon Friday, according to the United States Geological Survey.