The Concord Fault, which runs through Bay Area neighborhoods in Concord and Walnut Creek is in a different location than previously understood. It could produce a major earthquake in the Bay Area.

LARAMIE -- The Wyoming State Geological Survey (WSGS) recently published updated geological maps of the Rawlins and Red Desert Basin quadrangles, providing critical new insights into the geology ...

All times on the map are Pacific time. The New York Times A minor, 3.8-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.

5.2 magnitude earthquake centered near Julian rattles much of Southern California A 5.2-magnitude earthquake struck near San Diego at 10:08 a.m. Monday, according to the U.S. Geological Survey.

A strong earthquake centered in San Diego County gave Southern California a rattle on Monday morning. According to preliminary reports from the U.S. Geological Survey, the quake measured a ...

A magnitude-5.2 earthquake occurred near Julian, a small agricultural community in Southern California, at 10:08 a.m., according to the U.S. Geological Survey. Noticeable shaking could be felt ...

5.2 magnitude earthquake rattles San Diego Residents across Southern California are bracing for possible aftershocks after an earthquake rattled the San Diego area on Monday.

Southern California fire danger zones increase 76% in new maps Local governments now have until July 22 to adopt the maps as their own designations.

The California Geological Survey recently released new maps showing that potential tsunamis increase the threat of flooding in Alameda, Monterey, and San Mateo counties, along with other coastal ...

The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation possible from extreme-but-realistic scenarios.

A 4.1-magnitude earthquake shook Malibu, the San Fernando Valley and other parts of Southern California on Sunday afternoon.