Off the coast of the Pacific Northwest, two slabs of the Earth’s crust are locked together and slowly straining. When they ...

Off the Pacific Northwest coast, a roughly 700-mile-long fault runs beneath the seafloor from Vancouver Island to Northern ...

It's not a matter of if, but when. The big one, so to speak, is coming. And according to recent study from the Proceedings of the National Academy of Sciences, there's a 15% chance of a rupture in the ...

A major earthquake along the Cascadia fault line could lead to permanent flooding in some areas. Scientists predict the ensuing tsunami could reach heights of 90 to 100 feet, similar to the ...

Cascadia’s mega-tsunami risk looms large with a 1,000-foot wave possible. Coastal towns have just 10 minutes to escape as a ...

SALEM, Ore. — Oregon has a new playbook for preparing and responding to a major earthquake that dictates what should be tackled over time versus a list of tasks to get done. The playbook provides a ...

The first warning in Tofino, B.C., would not be a siren — it would be the ground shaking. Within minutes, tsunami waves as tall as a five-storey building could move toward the same beaches that make ...

The magnitude-8.8 earthquake off Russia’s Kamchatka peninsula sent a wave of water racing at the speed of a jetliner toward Hawaii, California and Washington state, spurring warnings and alarm ...