At least three more earthquakes struck in San Ramon Saturday night, according to data from the U.S. Geological Survey. The first earthquake, a preliminary magnitude 3.9, rattled the area around 6:30 p ...

An earthquake measuring 3.1 magnitude rattled the East Bay early Tuesday morning, according to the U.S. Geological Survey. The temblor struck about 3 miles southeast of San Ramon, briefly shaking ...

CONTRA COSTA COUNTY, CA - A 3.0 magnitude quake was recorded close to San Ramon Tuesday morning, according to the U.S. Geological Survey. It was reported that a tremor rattled the area at 5:53 a.m.

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a 2.4 magnitude quake shook near San Ramon Friday morning. The tremor struck the area at 3:37 a.m. It occurred at a depth of 6 miles ...