HUMBOLDT COUNTY, CA - A preliminary 3.4 magnitude quake occurred near Ferndale on Thursday night, according to the U.S.

A 3.2-magnitude earthquake hit a California city late on Wednesday. STAY UP TO DATE WITH THE LATEST NEWS BY SUBSCRIBING TO ...

The U.S. Geological Survey detected the shallow quake at 9:18 p.m. about 21.5 miles southwest of central Patterson.

A preliminary 2.1 magnitude quake struck near Petrolia on Thursday morning, according to the U.S. Geological Survey.

Every year, California experiences thousands of small tremors that residents usually don't notice, but as massive seismic ...

A magnitude 3.0 earthquake struck at 8:30 p.m. Wednesday, Oct. 14, in the San Jacinto area of Riverside County.

California had a busy weekend underground, with hundreds of micro-earthquakes recorded across the state, including a preliminary magnitude 3.0 quake in Contra Costa County on Monday morning. The ...

Several major metropolitan areas are in considerable danger of disastrous “earthquake shaking” from upcoming geological events, according to a new statewide shaking-intensity map. The California ...

The statewide tour comes ahead of the Great California ShakeOut on Thursday, when millions of Californians are expected to ...