CONTRA COSTA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.7 magnitude quake rattled near San Ramon ...

For more than a month, the San Francisco Bay Area has been subjected to a seemingly ceaseless stampede of earthquakes — the ...

Several small earthquakes struck in the East Bay near San Ramon on Friday evening, according to data from the U.S. Geological ...

A swarm of earthquakes rattled the Bay Area on the evening of Friday, December 19. The earthquakes occurred over a 30-minute span, according to the U.S. Geological Survey. There have been no reports ...

SAN RAMON — A cluster of earthquakes struck the San Ramon area Friday night, continuing a pattern of seismic activity in ...

A wave of earthquakes ranging up to a preliminary magnitude of 4.0 struck southeast of San Ramon shortly before 8 p.m. Friday, the U.S. Geological Survey said.

In California's East Bay, a recent swarm of small earthquakes has pushed long-standing seismic risks back into public view.

California has experienced earthquake swarms for nearly a week, with the same city as the epicenter each time. Officials ...

A 3.1 magnitude quake struck near San Ramon early Tuesday, part of a recent East Bay swarm. No damage reported, but experts ...

The quake came only eight days after three earthquakes shook the area in the course of about 100 minutes. More than 30 quakes ...