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

The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North American plate, extends 1100 km from northern California to northern Vancouver Island.

Map shows the Cascadia Subduction Zone along the Pacific Northwest coast, with a shaded area encompassing the onshore and offshore areas where seismometers were located. Data from the seismometers ...

Caption The Cascadia Subduction Zone is capable of generating powerful earthquakes. The study found compact sediments along the coast of Washington and northern Oregon, a result that suggests that ...

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 ...

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 ...

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 ...

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 ...