In March, the observatory said it had measured “significantly elevated volcanic gas emissions" from Mount Spurr and said ...

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia Subduction Zone.

MONTEREY COUNTY, CA - A 2.5 magnitude quake was registered near New Idria Saturday evening, the U.S. Geological Survey ...

An earthquake with a preliminary magnitude of 3.1 struck in Colusa County on Wednesday, the U.S. Geological Survey said.

A stretch of unusually hot weather combined with exceptionally dry vegetation will elevate the risk of wildfire.

Most people in San Diego County don’t worry about earthquakes until the earth beneath them starts shaking. Just ask folks out in Julian who were jolted by a quake back in April. Up until Oct. 1, ...

A 5.7-magnitude earthquake struck the Drake Sea near Puerto Williams, Chile, in the early hours of Tuesday. Alarms were ...

INYO COUNTY, CA - A preliminary 2.5 magnitude quake was detected near Dixon Lane-Meadow Creek Wednesday morning, according to ...

The Diablo Canyon nuclear plant is in the midst of a relicensing process that, if successful, will keep it running for ...

What lies beneath Fickle Hill in northern California? Maybe the answer to an earthquake mystery that has puzzled ...

A dangerous heat wave is about to take hold across the southwest. We're tracking the dramatic rise in temperatures from Arizona to Southern California. We'll show you how local officials are preparing ...

CWU Geological Sciences Professor Walter Szeliga received some well-deserved attention for his unique approach to detecting ...