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

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

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

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

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

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

Scientists made chilling new discoveries about the link between two major fault lines which mean the devastation on the West ...

Locals in coastal areas were ordered to evacuate immediately and see higher ground. Follow Newsweek for live updates.

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.

Cascadia subduction zone and the San Andreas fault - may be synchronized, with earthquakes on one fault potentially ...