SONOMA COUNTY, CA - A preliminary 2.5 magnitude quake was recorded close to The Geysers Saturday night, according to the U.S.

SANTA CLARA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.8 magnitude quake shook close to Alum Rock ...

The most widespread way is through Wireless Emergency Alerts (WEA), which sends loud alerts to all cellphones. If an ...

A major earthquake hasn't struck any of California's biggest cities in more than three decades, but the "Big One" is a matter ...

Scientists were able to use the data from a fiber optic cable and a sensitive measuring device to “image” the Mendocino ...

A 6.9-magnitude aftershock jolted quake-hit southern Philippines, triggering a fresh tsunami alert just hours after an ...

The epicenter of the quake was about 30 miles to the southeast of Denver, just outside of Elbert, near Castle Rock.

In the Bay Area, BART plans to automatically slow down its trains and have them come to a brief stop, as the system is ...

Thursday morning's quake had an epicenter in the hills above UC Berkeley's main campus. It occurred less than an hour before ...

"Structural integrity is an important part of resilience, but not the only one. Buildings can resist ground shaking with no ...