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 - According to the U.S. Geological Survey, a preliminary 3.8 magnitude quake occurred near San Ramon ...

Earthquakes have continued to hit California for days at a stretch, with several tremors felt across Bay Area, San Ramon, Hayward, Dublin, Pleasanton on Friday.

A rare, ultra-long earthquake in Myanmar revealed that mature faults can deliver their full force directly to the surface.

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

The quake came only eight days after three earthquakes shook the area in the course of about 100 minutes. More than 30 quakes ...

In California's East Bay, a recent swarm of small earthquakes has pushed long-standing seismic risks back into public view. Since early November 2025, at least 90 minor quakes have been recorded ...

California has been hit by an earthquake swarm for the fourth day in a row. Residents have been experiencing earthquake swarms for nearly a week, with the latest hitting on Tuesday, December 16. The ...

On Monday morning, around 30 minor earthquakes erupted in a swarm near the Geysers geothermal field south of Clear Lake. The day before, seven quakes rattled Sonoma County, including a 4.0 quake. The ...

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