Update: Seismic activity on Nov. 15 - 2.5 magnitude earthquake near San Ramon, CA reported

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.5 magnitude quake rattled close to San ...
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Swarm of earthquakes reported in Northern California

The Sacramento Bee reported that at least 20 earthquakes, ranging from Mill Valley to Half Moon Bay were reported Sunday ...

Earthquake San Ramon: Series of Quakes Hit California's East Bay Area

A swarm of small earthquakes struck California's East Bay on Sunday morning, the United States Geological Survey (USGS) has ...

San Ramon struck by string of earthquakes Sunday morning

Two 3.7 magnitude earthquakes struck southeast San Ramon beginning at 9:38 a.m. Sunday morning, according to the U.S.
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A major earthquake hasn't struck California's big cities in 3 decades. On Thursday, we will get a glimpse of one

A major earthquake hasn't struck any of California's biggest cities in more than three decades, but experts and officials say the so-called "Big One" is a matter of when, not if. And the risk is ...