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

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.

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

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

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

Scientists from Oregon State University studying sediment layers in the Pacific Ocean have discovered that two of the most ...

New research offers the theory that the San Andreas fault and the Cascadia subduction zone could produce devastating ...

The impact would be doubly as devastating as predictions for the impending ‘Big One’ and leave millions in harm’s way from ...

What could the next mega-earthquake on California's notorious San Andreas fault look like? Would it be a repeat of 1857, when an earthquake estimated at magnitude 7.7 to 7.9 ruptured the fault from ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could cause the San Andreas fault in California to go off. “It would be a very ...

"The previous worst case scenario that has been planned for, is likely no longer the worst case," Chris Goldfinger said.

A new report studied a massive earthquake that ruptured in the southeast Asian country of Myanmar on March 28 — on a fault known for being eerily similar to California’s notorious San Andreas fault.