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

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

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 ...

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

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

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

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 ...

Two fault systems on North America’s West Coast – the Cascadia subduction zone and the San Andreas fault – may be synchronized, with earthquakes on one fault potentially triggering seismic events on ...