Seventy-five tremors hit San Ramon, a small California city on 2. Here's what caused the swarm and why it isn't entirely ...

19 Earthquakes Rock San Francisco Bay Area in 2 Hours on a Fault Feared to Trigger 'The Big One' ...

The jolt of seismic activity Monday was among the busiest of a swarm that began nearly 3 months ago. Until the quake Friday, an earthquake swarm that began Nov. 9 around San Ramon had delivered 91 ...

San Ramon, Calif., has been rattled by dozens of small earthquakes in recent months. Even in a region used to regular shaking, it’s been a lot.

An earthquake swarm has broken out in Northern California and experts fear it's almost certain the region will suffer a major disaster by 2043. The US Geological Survey (USGS) recorded dozens of small ...

Levi's Stadium is built 'like a shock absorber.' ...

A series of small earthquakes rattled the San Francisco Bay Area in an area that’s had a lot of seismic activity in recent ...

An ongoing string of more than a dozen earthquakes in less than 90 minutes early Monday ended what had been some recent calm from recent weeks of shaking ground in the region, according to the U.S.