A major earthquake hasn’t struck any of California’s biggest cities in more than three decades, but the “Big One” is a matter ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San Andreas fault in California, scientists warned.

The annual Great California ShakeOut saw over 10 million residents across the state practise earthquake safety drills, ...

These are two very different fault systems, but the sediment record suggests that in the past, at least three San Andreas ...

Residents of the US’s West Coast have long feared “The Big One” – the apparently inevitable massive earthquake that will one day hit where the Pacific tectonic plate meets its North American neighbor.

Scientists compared sediment deposits created by underwater landslides from earthquakes within the Cascadia Subduction Zone ...

The San Fernando Valley (locally known as “The Valley”) is an urbanized valley in the Los Angeles metropolitan area of ...

Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

SONOMA COUNTY, CA - A preliminary 2.5 magnitude quake was recorded close to The Geysers Saturday night, according to the U.S.

OSU researchers find Cascadia Subduction Zone and San Andreas Fault may be synchronized — with the potential for quakes on ...

Millions of Californians have signed up to drop, cover and hold on Thursday for the Great California ShakeOut. The annual ...