“The Cascadia Megathrust M9.0 Earthquake was selected as a scenario as it is currently one of the more likely earthquake ...

Workers check damage to Interstate 880 in Oakland after it collapsed during the Loma Prieta earthquake in October 1989. (Paul Sakuma / Associated Press) They are two of the West Coast's most ...

Researchers have discovered evidence of “partial synchronization” of two of the world’s most famous fault lines—the northern San Andreas Fault and Cascadia Subduction Zone. The relationship between ...

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.

PORTLAND, Ore. — In Tom McCall Waterfront Park on the northwest side of the Burnside Bridge, engineers began drilling a 125-foot test shaft as part of crucial seismic testing for Portland's earthquake ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

Jan. 26, 2025, marks 325 years since the last great earthquake on the Cascadia subduction zone. It’s a time to reflect on what we’ve learned about this largest fault system in the lower 48 states and ...

"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) – Oregon Governor Tina Kotek signed an executive order on Monday aiming to help the state prepare for earthquakes. Executive Order 25-22 directs Oregon’s Department of ...