HUMBOLDT COUNTY, CA - A preliminary 2.8 magnitude quake was detected close to Petrolia Sunday morning, according to the U.S. Geological Survey.

A series of earthquakes rocked a Bay Area city on Feb. 2. Did you feel it? San Ramon was hit by a cluster of quakes starting ...

An ongoing string of more than a dozen earthquakes in less than 90 minutes early Monday ended what had been some recent calm ...

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

A minor earthquake struck northeast of Indio early Sunday, Feb. 1, in the same area where a stronger quake shook the Coachella Valley in mid-January.

Data from the USGS shows the seismic events have ranged in strength from 2.5 up to 4.2 in magnitude.

Bay Area Rapid Transit issued an alert advising passengers that trains were operating at reduced speeds while crews carried ...

At least 21 quakes have rattled the East Bay city.

As the Seattle Seahawks and New England Patriots gear up for Super Bowl 60 in Santa Clara, California, a 4.2 earthquake ...

The jolt of seismic activity Monday was among the busiest of a swarm that began nearly 3 months ago. Until the quake Friday, ...

The U.S. Geological Survey (USGS) reported that the magnitude 4.9 earthquake struck about 12 miles northeast of Indio, CA in ...

A moderate earthquake hit the Bay Area in California on Monday morning, at the start of Super Bowl 60 week. NFL reporters ...