The Cascadia megathrust is a massive fault thought capable of generating devastating magnitude 9 earthquakes similar to the 2011 Tohoku temblor, but its structure has long eluded scientists.

Jan. 26, 2025, marks 325 years since the last great earthquake on the Cascadia subduction zone. ... At a magnitude 9, it ...

Cascadia megathrust earthquakes are caused by the Cascadia Subduction Zone that sits about 40 miles off the coast of the Pacific Northwest, where the edge of one tectonic plate is being slowly ...

Understanding the megathrust earthquake and tsunami threat potential of the Cascadia Subduction Zone is “still a work in progress” for the team behind this latest research, but as we learn ...

A 300-meter-high tsunami crashing into the US coast might sound like science fiction—but scientists say it's a very real threat. Backed by geological records and advanced AI models, researchers warn ...

The second-largest earthquake in the U.S. was a magnitude-9.0 in 1700, which occurred at the Cascadia Subduction Zone, site of the leak.

Its discovery doesn’t change the current risk of a large megathrust earthquake along the 600-mile Cascadia Subduction Zone possibly hitting the Pacific Northwest sometime in the next 50 to 100 ...

Warm liquid spewing from seafloor along Cascadia fault provides insight to local, ... According to a news release, "calculations suggest the fluid is coming straight from the Cascadia megathrust." ...

Jan. 26, 2025, marks 325 years since the last great earthquake on the Cascadia subduction zone. ... At a magnitude 9, it qualifies as a megathrust event.

Cascadia megathrust earthquakes are caused by the Cascadia Subduction Zone that sits about 40 miles off the coast of the Pacific Northwest, where the edge of one tectonic plate is being slowly ...

Cascadia megathrust earthquakes are caused by the Cascadia Subduction Zone that sits about 40 miles off the coast of the Pacific Northwest, where the edge of one tectonic plate is being slowly ...