A preliminary magnitude 4.0 earthquake hit the North Bay Sunday afternoon, according to the United States Geological Survey.

SONOMA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.6 magnitude quake occurred near Glen Ellen ...

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

SAN LUIS OBISPO COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake occurred near Pismo ...

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

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

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

Aftershocks have been recorded for both earthquakes. On Dec. 8, Japanese authorities warned an even more powerful earthquake ...

A nagnitude-5.7 quake hits 67 miles northeast of Kuji, Japan, rattling coastal towns just days after a tsunami warning.

Glacial earthquakes are a special type of earthquake generated in cold, icy regions. First discovered in the Northern ...

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

The federal government and earthquake experts blamed a technical glitch for the alert that sent warnings hundreds of miles ...