Imagine a massive wall of water slamming into the West Coast, giving residents just minutes to escape. This nightmare ...

The Pacific Northwest boasts an extensive network of more than 600 seismic monitoring stations that help researchers track ...

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created... Read Story ...

A 700-mile fault could snap by 2075, sinking parts of Portland, Seattle & SF. The Cascadia megaquake may trigger a 100-ft ...

The big one about “The Big One” hit 10 years ago. On July 13, 2015, The New Yorker shook us up with “The Really Big One,” ...

A so-called "doomsday tsunami" is likely to hit the United States in the near future, but scientists now say there is a ...

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.

Burnside Bridge getting seismic test in case of Cascadia Subduction Zone earthquake. The new bridge will be earthquake-ready, so crews are digging a 10-foot-wide, ...

A Cascadia Subduction Zone earthquake could cause long-lasting changes to Washington’s landscape, coastline and floodplain, a new study says.

New Cascadia Subduction Zone research suggests the tsunami risk for some coastal communities in the Pacific Northwest may not be quite as acute as originally thought. Ian McCluskey / OPB.

Scientists are warning that a 100-foot, Doomsday-style tsunami is primed to hit the US West Coast at any moment. Yet ...