Two earthquakes shook Mona Epstein awake in the middle of the night, long before she crawled out of bed on the morning of Dec. 8. But it was the rocking from the magnitude 3.6 quake just after 9 a.m.

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 ...

SAN RAMON, Calif. (KGO) -- A wave of at least nine earthquakes ranging up to a preliminary magnitude of 4.0 struck southeast of San Ramon about 8 p.m. Friday, the U.S. Geological Survey said. Revised ...

A swarm of at least a dozen earthquakes reaching up to magnitude 3.9 rattled San Ramon near San Francisco, the U.S. Geological Survey reports. The other quakes in the Saturday, Dec. 21, swarm ranged ...