Tiny by volcano standards. The Sutter Buttes are 10 miles wide and poke up 2,000 feet. In classic butte fashion, they are ...

Whether it qualifies as a "superbloom" is in the eye of the beholder, but there is no doubt that California's Carrizo Plain ...

California’s most famous fault has a talent for making certainty look foolish. Scientists can measure strain, map creeping ...

A magnitude 3.4 earthquake rumbled in the South Bay on Tuesday morning, according to the U.S. Geological Survey. The temblor ...

A fault line does not keep a calendar, no matter how often people ask it to. That simple limitation shapes nearly everything ...

For residents of the San Francisco Bay Area, 2026 got off to a shaky start in the most literal sense imaginable. On the morning of February 2, between 6:27 and 8:00 local time, a series of no fewer ...

Dean Fioresi is a web producer for CBS Los Angeles. He covers breaking news throughout Southern California. When he's not writing about local events, he enjoys focusing on sports and entertainment.

A 4.9-magnitude earthquake and several aftershocks rattled Southern California on Monday night, according to the United States Geological Survey. The first and largest quake happened approximately ...

We all know the San Andreas Fault is out there. Californians first learn about the looming underground threat during childhood earthquake drills and geology lessons, before growing into anxious adults ...

An earthquake swarm hit the San Francisco Bay Area on Sunday morning. The cluster of up to eight quakes, ranging from 2.5 to 3.8 on the Richter scale, first occurred from 9:38am to 9:41am around ...

The Carrizo Plain in eastern San Luis Obispo County contains the most strikingly graphic portion of the San Andreas Fault. Sediment cores recovered from the Pacific seafloor suggest that megathrust ...