For centuries, the Cascadia Subduction Zone has lurked just offshore from Northern California to British Columbia, largely ...

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.

The ground beneath the Pacific Northwest is not quiet. Along a vast offshore fault, strain has been building for centuries, and when it finally gives way, the region’s familiar landscape could be ...

The next great earthquake isn't the only threat to the Pacific Northwest. A powerful earthquake, combined with rising sea levels, could significantly increase flood risks in the Pacific Northwest, ...

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 ...

PORTLAND, Ore. (KOIN) – With a massive Cascadia Subduction Zone earthquake looming in the Pacific Northwest, Oregon lawmakers are considering a bill to help build an earthquake-ready Columbia ...

The Pacific Northwest is ripe for a major earthquake — and shaking and tsunamis wouldn’t be the only threats from such an event, according to new research. Coastal land would also sink nearly seven ...

Aerial shot of Mendocino, an idyllic small town on the California coast. The Pacific Northwest is being taken for a ride. At the Cascadia Subduction Zone—a 700-mile fault that runs all the way from ...

The next major Pacific Northwest earthquake could cause coastal land to sink by up to 6.5 feet in a matter of minutes, a new study has warned. A magnitude 8.0 tremor on the Cascadia subduction zone ...

A Virginia Tech study highlights the potential for a mega-tsunami triggered by a major earthquake in the Cascadia Subduction Zone. This fault line threatens the Pacific Northwest with a possible ...