Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created... Read Story ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. Pacific Northwest fault zone could trigger a catastrophic 5-minute quake, new research warns Skip to main content ...

But they can’t say exactly when the Pacific Northwest’s “Big One” could strike. The last great earthquake along the Cascadia Subduction Zone occurred in January 1700, and big events are ...

The geology of the Cascadia subduction zone has largely staved off climate-related sea-level rise in the Pacific Northwest, but that could reverse in an instant.