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

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

They are two of the West Coast's most destructive generators of huge quakes: the San Andreas fault and the Cascadia ...

Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more ...

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

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could ...

When the tectonic subduction zone beneath the Pacific Northwest moves, it does so in dramatic fashion. Not only is ground ...

A megaquake in the Pacific Northwest could trigger a large earthquake along California's San Andreas Fault, creating an ...

A future mega-earthquake in the Pacific Northwest could lead to the “Big One” along the San Andreas fault in California—or vice versa.

Scientists at Oregon State University say there's new evidence that two of the best-known earthquake fault lines on the West ...

Geosphere, demonstrating the first evidence that the two faults have interacted repeatedly over thousands of years. The ...