The Sacramento Bee reported that at least 20 earthquakes, ranging from Mill Valley to Half Moon Bay were reported Sunday ...

Seismic activity continued to rattle the Tri-Valley on Sunday, while an earlier quake was revised upward to a magnitude of ...

The earth beneath the Nickel City shifted once again, but it's still unclear whether it was an earthquake or mining activity ...

A sudden earthquake swarm, with tremors up to 3.8 magnitude, rattles the San Francisco Bay Area. Residents report 'jolts' as ...

Tucked away in the northern reaches of Napa Valley sits a natural wonder that rivals its famous Wyoming namesake, yet somehow remains California’s best-kept geological secret – a geyser that erupts ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake occurred close to San ...

A 6.8 magnitude earthquake struck off the coast of Japan's Iwate Prefecture at 5:03 p.m. local time on Sunday.

HUMBOLDT COUNTY, CA - A preliminary 2.4 magnitude quake was recorded near Petrolia Sunday morning, according to the U.S.

Seismic activity continued to rattle the East Bay on Sunday, while an earlier quake was revised upward to a magnitude of 3.8.

A 5.4 magnitude earthquake struck the Andaman Sea, felt in nearby islands, with no reported damage or casualties.

A 3.3-magnitude earthquake, at a depth of 7.4 miles, was detected at 8:19 a.m. Saturday, according to the U.S. Geological Survey. The epicenter was 37 miles south of Whites City near the Texas border, ...

Simulations and research from the U.S. Geological Survey suggest that St. Louis faces a small, but real risk of a moderate to ...