A preliminary magnitude 3.4 earthquake shook near Redlands on Friday evening, according to the U.S. Geological Survey.

A 3.4-magnitude earthquake struck roughly 4 miles southwest of Redlands near the border of Riverside and San Bernardino ...

Two regions shaken: A 4.2 quake hit The Geysers in Sonoma County, and a 3.3 tremor struck near Redlands in San Bernardino County on the same date. Communities felt it: Residents in multiple nearby ...

Two earthquakes struck the region within several hours of each other late Wednesday and early Thursday, according to the U.S. Geological Survey.

A flurry of seismic activity recently has struck Nevada, including a magnitude 5.7 earthquake 45 miles east of Reno that was ...

Two of the most dangerous fault systems on the U.S. West Coast may be more connected than scientists once thought. New ...

The quakes, 4.3- and 5.2-magnitude, early Friday about 70 miles east of Reno, were felt in El Dorado, Sacramento and Placer counties.

The latest earthquake hit the Redlands area and followed days of tremors - with social media users expressing concern ...

HUMBOLDT COUNTY, CA - A 4.0 magnitude quake occurred close to Petrolia at midday on Friday, according to the U.S. Geological Survey. A tremor rattled the area at 12:29 p.m. (11:29 a.m. local time).

Scientists at a prominent Southern California university have warned that a fast-moving variety of earthquakes could produce more violent shaking over larger areas than typical tremors, arguing that ...

LYON COUNTY, NV - A preliminary 2.1 magnitude quake occurred close to Silver Springs on Thursday morning, the U.S. Geological Survey reported. At 7:10 a.m., a tremor struck the region at a depth of 6 ...

Six candidates running for California governor squared off on the debate stage Wednesday, yet the forum may have created more questions than answers for political observers, as Democrats struggle to ...