PORTLAND, Ore. (KOIN) – A new study mapping the Cascadia Subduction Zone is giving scientists clues about the state of the ...

This area, called the Cascadia Subduction Zone, hosts a megathrust fault, a place where tectonic plates move against each other in a highly dangerous way. The plates can periodically lock up and ...

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 ...

Washington state emergency management officials posted on social media that while it can be scary to see a 6.0 magnitude quake happening near the Cascadia Subduction Zone, the one Wednesday was in ...

In a region called the Cascadia subduction zone, the Juan de Fuca oceanic plate is sliding (or "subducting") beneath the North American plate — but its edge is stuck. As the plate keeps pushing ...

Portland is in the Cascadia Subduction Zone which hasn't produced an earthquake since 1700, but scientists say there's a 37% chance a major earthquake could rock the region within the next 50 years.

Washington state emergency management officials posted on social media that while it can be scary to see a 6.0 magnitude quake happening near the Cascadia Subduction Zone, the one Wednesday was in ...

The Cascadia subduction zone spans about 600 miles between Northern California to British Columbia, about 100 miles west of the Oregon coast. A subduction zone occurs when two offshore tectonic ...

The “big one,” a 9.0 earthquake on the Cascadia subduction zone could come at any moment, as The New Yorker reminded us in 2015. But most people living in Oregon didn’t need that graphic ...