A new study warns that a megathrust earthquake along the Cascadia Subduction Zone could cause coastal land to sink permanently.

The study, published Monday in the Proceedings of the National Academy of Sciences (PNAS), found that a major earthquake ...

This map (left image) indicates the sites of the 24 estuaries along the coast in the Cascadia subduction zone where Tina Dura and her team took geological core samples. The photo on the right is of ...

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 ...

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 ...

"This is the first large scale ocean bottom seismic experiment conducted at an Atlantic subduction zone," said Dr. Catherine Rychert, formerly an Associate Professor at the University of ...

The Pacific Coast is tiptoeing around not one but two of the largest seismic triggers of the region’s modern history. Even with the infrastructure plans championed by policymakers in the West ...

Kerwin Moore, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0 , via Wikimedia Commons In the United States, seismic activity is not confined to the ...

Most of Oregon’s hospitals were built before the dangers of the Cascadia subduction zone were understood and building codes reflected the risk of seismic activity, according to a state report. Coastal ...