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 ...

The earth beneath the Pacific Northwest is undergoing a transformation that scientists have never witnessed in real time. Deep below Vancouver Island, a 75-kilometer rupture is slicing through the ...

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.

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 ...

PORTLAND, Ore. (KOIN) – January 26 marked the 325th anniversary since the last earthquake struck the Cascadia Subduction Zone. Centuries later, the ancient quake has left clues for scientists 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 ...