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 ...

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

Geologist Robert Yeats, author of 'Earthquake Time Bombs', has highlighted the risks associated with the presence of several large US cities in the Pacific Northwest's Cascadia subduction zone.

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 ...

Tsunamis have hit Washington and the Puget Sound region in the past, and they will happen again in the future.

With a massive Cascadia subduction zone earthquake looming in the Pacific Northwest, Oregon lawmakers are considering a bill ...

OKANOGAN, Wash. — A 3.0 magnitude earthquake struck early Wednesday morning near Okanogan.

The region is also at risk for a catastrophic Cascadia subduction zone earthquake, potentially registering anywhere from a magnitude 8 to 9 quake. Scientists have worked for years to build systems ...

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.

Did you feel it? The Pacific Northwest Seismic Network (PNSN) says a 3.0 magnitude earthquake hit near Okanogan Wednesday ...

Wildfires and hurricanes are dominating the disaster spotlight, but the threat of a massive earthquake still simmers beneath the surface in the Pacific Northwest. The National Science Foundation ...