TULARE COUNTY, CA - A preliminary 2.1 magnitude quake occurred close to Kernville on Sunday morning, according to the U.S.

A moderate earthquake suddenly struck off the coast of southwestern Humboldt County, California, in the ocean.

Hundreds of earthquakes rattled California over the weekend. Here's what experts say about the activity and the risk of the next 'Big One.' ...

Two earthquakes suddenly struck California early Sunday morning, felt by communities across the South Bay and beyond. A 3.5-magnitude quake hit shortly after 7:20 a.m., followed by a 2.6-magnitude ...

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 ...

An earthquake of preliminary magnitude 3.9 shook Mendocino County with an epicenter 17.2 miles southwest of central Ukiah on Friday evening.

A 3.3 earthquake struck in northern California early Friday morning, according to the U.S. Geological Survey (USGS). The ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers at a public university in California say they have developed a way to identify the most likely locations of some of ...

Researchers say stress on Southern California’s San Andreas and San Jacinto faults has reached some of the highest levels seen in a 1,000-year simulation. Because both faults are highly stressed at ...