Thousands in the Pacific Northwest face a heightened flood risk, not just from rising sea levels, but from the land itself ...

Scientists have mapped one of the most hazardous spots on the globe in unprecedented detail: a 600-mile geologic boundary just off the Pacific Northwest ... 9.0-magnitude earthquake and generating ...

The next great earthquake isn't the only threat to the Pacific Northwest. A powerful earthquake, combined with rising sea ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five ...

The Cascadia Subduction Zone, a major fault that runs offshore from Northern California to British Columbia, is best known ...

A future Cascadia earthquake could unleash far more than just devastating shaking — it could sink large parts of the Pacific ...

A powerful future earthquake, coupled with climate-driven surges in sea levels, could significantly increase flood risks in ...

Did you feel it? The Pacific Northwest Seismic Network (PNSN) says a 3.0 magnitude earthquake hit near Okanogan Wednesday morning. The epicenter was recorded about 27 miles northeast of the city ...

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey. The temblor happened at 10:08 a.m. Pacific time about 2 ...