Seismic activity remains high off the eastern coast of Aomori Prefecture following a magnitude-7.5 earthquake on Monday.

LAKE COUNTY, CA - Saturday afternoon, a preliminary 2.3 magnitude quake was detected near Cobb, according to the U.S.

VENTURA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 3.6 magnitude quake occurred close to Fillmore ...

A preliminary 2.9 magnitude earthquake struck Saturday afternoon near San Ramon in Contra Costa County, according to the United States Geological Survey.

A preliminary 2.7 magnitude earthquake struck Saturday morning near Kenwood in Sonoma County, according to the United States Geological Survey.

After a magnitude 7 earthquake ripped under Hubbard Glacier earlier this month, scientists believe a “connector fault” may ...

An earthquake shook in Sonoma County Saturday afternoon, according to the United States Geological Survey (USGS). A preliminary 2.7-magnitude earthquake was reported near Kenwood at ...

Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

A 6.9 magnitude earthquake shook northeastern Japan and caused small tsunami waves but no apparent damage Friday, days after ...

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

Four years after the Central Library was closed after an assessment raised alarm at its unreinforced masonry, leaders held a ...