A mega-earthquake might be triggered by two volatile faults, striking in unison, with one quake nudging the other into ...

The so-called “Big One” or Cascadia Subduction Zone earthquake expected to trigger disruptive quakes throughout the West ...

San Andreas, Cascadia faults could combine to produce back-to-back earthquake disasters, new research suggests – Nation and ...

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

A major Cascadia subduction zone earthquake is coming for the West Coast. During that earthquake, parts of California, Oregon and Washington could shake for up to five minutes, as the Juan de Fuca ...

Researchers named the spring "Pythia’s Oasis" for Ancient Greece's Pythia, an oracle who sat in a temple above a crack in the ...

A 1,000-foot tsunami crashing into the U.S. might sound like science fiction — but scientists say it’s a very real ...

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created by one tectonic plate pushing its way under another. Every 400-600 years, ...

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.

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward shore.

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

Scientists compared sediment deposits created by underwater landslides from earthquakes within the Cascadia Subduction Zone ...