A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake shook close to San Ramon ...

SAN BENITO COUNTY, CA - A preliminary 2.8 magnitude quake was recorded close to San Juan Bautista Thursday morning, the U.S.

Residents across the Pacific Northwest—a region where catastrophic earthquake risk looms as an inescapable reality—depend on ...

“On December 4, 2025, the ShakeAlert EEW system released an incorrect alert for a magnitude 5.9 earthquake near Reno and Carson City, Nevada,” the statement read. “The event did not occur, and has ...

Several earthquakes, the largest measured at magnitude-3.3, were reported Thursday morning in Ventura County. The earthquakes ...

A preliminary 4.1 magnitude earthquake struck Sunday afternoon near Glen Ellen in Sonoma County, according to the United ...

The United States Geological Survey put out a false alarm for a 5.9 earthquake east of Dayton, Nevada, on Thursday morning.

A magnitude 7 earthquake has rocked Alaska on Saturday, Dec. 6, according to the United States Geological Survey (USGS).

A notification about a magnitude-5.9 earthquake in western Nevada near the California border was a false alert, the USGS said ...

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...