RIVERSIDE COUNTY, CA - A preliminary 2.4 magnitude quake was detected near Idyllwild Sunday evening, the U.S. Geological ...

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

Multiple earthquakes shook parts of California over the weekend, including a temblor in San Bernardino County. The first was ...

BEVERLY HILLS, CALIFORNIA – SEPTEMBER 21: Earthquake (R) attends the Salvation Army of Southern California presents Finding A ...

The Cascadia Subduction Zone along the Pacific Northwest coast looms large in the scientific and public minds, as it has the ...

I couldn’t believe it—first Hurricane Hilary, and now earthquakes shaking Southern California! In this video, I react to the ...

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma ...

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

Editor: At 87, I treasure mail-in voting. I can study the issues, vote, sign my ballot and put it in my box to be picked up.

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

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