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

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

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

It’s been nearly a third of a century since Humboldt County and the triple junction region was rocked by three large ...

Coos Bay, home to more than 15,000 people, lies within just eight miles of the Cascadia Subduction Zone: a megathrust fault where the Juan de Fuca plate slides beneath the North American plate.

GREENWATER, Wash. — A magnitude 3.8 earthquake struck western Washington Sunday morning, according to the U.S. Geological Survey (USGS). The quake was centered approximately 7.5 miles east ...

You may notice tsunami signs when visiting Oregon's coastal destinations. Here's what they mean and how to prepare yourself in case of a disaster.

The boundary between the two plates, stretching 700 miles from British Columbia to Northern California, is called the Cascadia subduction zone. Subduction is the process by which an ocean plate ...

via Wikimedia Commons Located near the Cascadia Subduction Zone, Seattle is prone to powerful earthquakes that can trigger tsunamis. The region’s susceptibility to earthquakes results from the ...