CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a 3.2 magnitude quake rattled close to San Ramon Thursday ...
A light, 4.1-magnitude earthquake struck in Central California on Tuesday, according to the United States Geological Survey.
Four earthquakes centered in the San Ramon area of Contra Costa County that struck beginning at 9:38 a.m. this morning. according to the United States Geological Survey. The small swarm beginning with ...
A 4.1 magnitude earthquake struck Tuesday morning in Central California, centered near Paso Robles, according to the USGS.
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