The next great earthquake isn't the only threat to the Pacific Northwest. A powerful earthquake, combined with rising sea ...

A future Cascadia earthquake could unleash far more than just devastating shaking — it could sink large parts of the Pacific ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. west coast could shake violently for five ...

The Cascadia Subduction Zone, a major fault that runs offshore from Northern California to British Columbia, is best known ...