A minor, 3.8-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.

A 3.2-magnitude earthquake shook the Northern California area, the U.S. Geological Survey reported. The more than 9-mile deep quake hit a little over half a mile south of Concord at 12:11 p.m. on ...

For the first time since 2009, the California Geological Survey has released new tsunami hazard area maps for Ventura, San Diego, Marin, Napa, Santa Cruz, Solano and Sonoma counties to help ...

SACRAMENTO -- The California Geological Survey has released updated tsunami hazard maps for seven counties to help users determine whether they are in areas at risk for inundation and for planning.

Languages: English. An earthquake map from the U.S. Geological Survey (USGS) shows that minor earthquakes hit nine states on Friday morning. California is perhaps the state most known for ...

Here are maps showing some of Southern and Central California's most populated areas within a tsunami hazard zone, as determined by the California Geological Survey. The yellow section indicates ...

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 ...

Anna Skinner is a Newsweek senior reporter based in Indianapolis. Her focus is reporting on the climate, environment and weather but she also reports on other topics for the National News Team.

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Tuesday, according to the United States Geological Survey ... the shake-severity map. An aftershock is usually ...