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

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

With the Great ShakeOut earthquake drill approaching, new research suggests a potential link between two major fault lines ...

Geologic clues reveal a hidden link between two major faults. A Cascadia quake might set the San Andreas in motion soon after ...

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

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

Millions of residents, students and office workers in Los Angeles and Orange counties and across the state will "drop, cover ...

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

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

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

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