CONTRA COSTA COUNTY, CA - Sunday morning, a preliminary 2.1 magnitude quake was recorded near San Ramon, according to the U.S. Geological Survey.

The East Bay Area has been rattled by a cluster earthquakes in recent weeks. According to KQED, more than 150 earthquakes jolted the area near San Ramon last month alone. On Dec. 8, a total of 10 earthquakes hit the area with preliminary magnitudes of 2.5 or above, KQED reports.

SAN RAMON — A cluster of earthquakes struck the San Ramon area Friday night, continuing a pattern of seismic activity in recent weeks, according to the U.S. Geological Survey. Things kicked off at 7:41 p.m. with a magnitude 2.5 centered 3.1 miles southeast of the city.

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

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big One near?

SAN BENITO COUNTY, CA - A 2.7 magnitude quake was detected near San Juan Bautista around midday Thursday, according to the U.S. Geological Survey. A tremor rattled the region at 12:10 p.m. The earthquake's epicenter was situated approximately 4 miles south ...

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 around San Ramon,

Belief in “earthquake weather" is common, especially in California, but scientists are clear that there is no such thing.

Several small earthquakes struck in the East Bay near San Ramon on Friday evening, according to data from the U.S. Geological Survey. The quakes also impacted regional transit service. The first, and so far the smallest,