January 26 marked the 325th anniversary since the last earthquake struck the Cascadia subduction zone. Centuries later, the ...

“Each of the waves of the earthquake, they felt like the tree would jump a little in a ... Mendocino Fault and is considered part of the Cascadia subduction zone that extends farther north ...

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 prepare for the next one.

This is called the Cascadia Subduction Zone. According to the Washington State Department of Natural Resources (DNR), earthquakes happen in Washington every day, but most are too small to be felt.

Earthquake experts say current building codes don’t reflect the riskiest features of the Seattle area’s geology — but the outlook for survivability looks a lot better if the Really Big ...

The Pacific Northwest is at risk for a mega-earthquake because of the Cascadia Subduction Zone. The region is primed for powerful quakes, with a particularly strong one called the Big One ...

They’ll also build the system they’ll use to fake a Cascadia Subduction Zone earthquake. "So in the steel reinforcement cage, we have what's called load cells and those are basically two-foot ...

A magnitude-9.0 earthquake on the Cascadia fault and the resulting tsunami ... canoed up the Copalis River to a graveyard of cedar trees killed 324 years ago. A kingfisher chittered and the ...

The new bridge will be earthquake-ready, so crews are digging a 10-foot-wide, 125-foot-deep hole to see how concrete supports react during a simulated seismic event.

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 ...

The Cascadia Subduction Zone gets less press but has the most powerful earthquakes on the West Coast, with a possibility of 9 or more on the Richter scale. As the fault runs under the coastal area ...

This week was the USGS Northern California Earthquake Hazards Workshop (NCEHW). I joined other earthquake hazards professionals for three days of virtual talks and discussions about the latest ...