RIVERSIDE COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.0 magnitude quake occurred close to Idyllwild ...

SONOMA COUNTY, CA - A preliminary 2.2 magnitude quake was recorded near The Geysers Friday afternoon, according to the U.S.

For more than a month, the Bay Area has been subjected to a seemingly ceaseless stampede of earthquakes, rattling windows and ...

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

Hundreds of earthquakes have shaken the same region in California in just one month, leaving residents worried about whether ...

Another minor earthquake struck San Ramon on Wednesday morning, the latest in a series of small quakes in the area, ...

A swarm of at least a dozen earthquakes reaching up to magnitude 3.9 rattled San Ramon near San Francisco, the U.S.

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

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

A minor, 3.1-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey. The temblor happened at 10:27 a.m. Pacific time about 8 miles northwest ...

Jack Creek Farms experienced 78 measurable earthquakes from Nov. 18 to Dec. 22, according to the U.S. Geological Survey.

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...