CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a 3.2 magnitude quake rattled close to San Ramon Thursday ...
A 3.2 magnitude earthquake struck just over 2 miles southeast of San Ramon shortly before 7:30 a.m. Thursday morning, ...
San Ramon, California, experienced an earthquake of 3.3 magnitude on Monday, November 17, at 10:47 PM, the East Bay Times is ...
The last significant quake swarm in the San Ramon area, in 2015, lasted 36 days and produced 654 tiny earthquakes, the ...
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