California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

California has been hit by an earthquake swarm for the fourth day in a row. Residents have been experiencing earthquake ...

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

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...

Sonoma County was hit by three earthquakes within a little more than half an hour Sunday, the largest one having a ...

Residents in Nevada woke up to a shocking 5.9 magnitude earthquake alert, but after the panic settled, the whole thing turned ...

SAN RAMON – A magnitude 3.0 quake jolted the Tri-Valley area late Tuesday, according to the U.S. Geological Survey. The ...

On Monday morning, around 30 minor earthquakes erupted in a swarm near the Geysers geothermal field south of Clear Lake. The day before, seven quakes rattled Sonoma County, including a 4.0 quake. The ...

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 ...

A rare, ultra-long earthquake in Myanmar revealed that mature faults can deliver their full force directly to the surface.