The Pacific Northwest sits atop one of the most dangerous fault systems on Earth, yet daily life from Seattle to Portland ...

The earthquake danger most Seattleites think about isn't necessarily the one most likely to hit soonest, new research ...

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 next major Pacific Northwest earthquake could cause coastal land to sink by up to 6.5 feet in a matter of minutes, a new study has warned. A magnitude 8.0 tremor on the Cascadia subduction zone ...

Deep-sea landslides in the Pacific Northwest's Cascadia subduction zone hold a record of earthquakes dating back 7,500 years, and similar markers may be found in other tectonic plate boundaries ...

CORVALLIS, Ore. — An earthquake expert from Oregon State University said the faults that caused the California quakes are connected to the very large fault off Oregon and Washington's coast. That's ...

Northern California’s coast keeps you on alert, even on quiet days. Offshore, three tectonic plates meet near Humboldt County at the Mendocino Triple Junction. It is where the San Andreas fault system ...

PORT ANGELES — A tsunami rarely arrives as a single cinematic wall of water rolling toward shore like a towering wave in a disaster film. Instead, it comes in waves — sometimes for hours — with ...

Add Yahoo as a preferred source to see more of our stories on Google. A 6.0 magnitude earthquake struck off the Oregon Coast on Jan. 15. The earthquake was detected around 7:25 p.m., approximately 183 ...