The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and scraping past one another. Over the eons, this activity has regularly caused major ...

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.

Picture a fault line lurking just offshore, stretching the length of entire states and quietly storing energy. Scientists say the Cascadia Subduction Zone has been still for centuries, which makes the ...

When Washingtonians talk about the possibility of a major earthquake in the Cascadia Subduction Zone, the conversation typically focuses on the immediate impacts: the threat of casualties, building ...

"What we looked at was kind of lesser though and lesser-known consequences of the next earthquake, which is the land subsidence, or the way the land is going to drop down," said Dr. Tina Dura, the ...

GREENWATER, Wash. — A 3.0 magnitude earthquake shook the ground in far east King County on Tuesday morning. The Puget Sound Seismic Network (PNSN) recorded the earthquake at 9:54 a.m. Tuesday at a ...

SAN FRANCISCO ‒ A magnitude 7.0 earthquake struck near the town of Petrolia on Thursday at 10:44 a.m. local time, generating a now discontinued tsunami warning that stretched from southern Oregon to ...

A 2025 study suggests that when the next "Big One" hits, coastal land could sink by up to 6 feet. That sudden drop could instantly double the number of people, homes, and roads exposed to flooding.

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 ...