SAN DIEGO COUNTY, CA - A 3.2 magnitude quake was recorded near Borrego Springs at midnight on Tuesday, according to the U.S.

CONTRA COSTA COUNTY, CA - Monday morning, a preliminary 2.9 magnitude quake was registered close to San Ramon, according to ...

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

A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near ...

The ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on ...

Just after 8 a.m. Bay Area residents received a MyShake alert warning of magnitude 5.9 earthquake hitting east of Carson City ...

The tremors were felt as far north as San Francisco, with the most intense shaking reported in the South Bay region. There ...

CONTRA COSTA COUNTY, CA - Sunday morning, a 2.9 magnitude quake was reported near San Ramon, according to the U.S. Geological Survey. It was reported that a tremor rattled the region at 9:41 a.m. The ...

SONOMA COUNTY, CA - A 2.9 magnitude quake was detected near The Geysers Monday morning, according to the U.S. Geological Survey. It was reported that a tremor shook the region at 7:09 a.m. The ...

LAKE COUNTY, CA - A 2.4 magnitude quake was registered close to Hidden Valley Lake Friday afternoon, according to the U.S. Geological Survey. The tremor shook the area at 3:58 p.m. It occurred at a ...

A 2.7-magnitude earthquake struck in San Luis Obispo County the early hours of December 4, 2025, according to the U.S.

The United States Geological Survey quickly deleted the alert, saying it had been sent in error. “This isn’t a good look,” ...