According to USGS data, the seven earthquakes occurred over a span of two days and were centered near the city of Santa Rosa ...

A small 3.3 magnitude earthquake struck near San Ramon, California, late Monday night local time, the U.S. Geological Survey ...

At least 90 earthquakes have been detected in California's San Francisco Bay Area, along a fault scientists consider to be overdue for a major seismic event.

An earthquake swarm has broken out along California's Central Coast, setting off fears of an even bigger eruption in the near ...

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and the San Andreas fault — operated on separate geologic stages. One dives, one ...

SAN RAMON, Calif. - A 3.2 magnitude earthquake struck near San Ramon Thursday morning. The quake struck just after 7:30 a.m.

A 3.3-magnitude earthquake shook San Ramon late Monday night, giving residents across the East Bay a brief jolt but causing ...

Earthquake today: A 4.1-magnitude earthquake struck California on Tuesday with tremors in Paso Robles, and Atascadero and ...

A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some scientists say — carrying potentially profound risk for communities across ...

A 3.2-magnitude earthquake struck in the San Ramon Valley Thursday morning, according to the U.S. Geological Survey. The ...

A magnitude 6.8 earthquake was recorded in the Beaus region on Monday morning, according to seismic data reviewed manually by ...

Oregon scientists are leading the world in tsunami research, helping communities better understand and prepare for one of the ...