Beneath the Pacific Northwest lies the Cascadia Subduction Zone, capable of producing a megaquake so massive it could devastate Seattle, Portland, and coastal towns in minutes.

Do this week’s strong geomagnetic storm and earthquake in Japan mean that the Big One is nigh? That’s what some influencers ...

The Cascadia Subduction Zone has been quiet for more than three centuries, but that silence is exactly what alarms the ...

New strategy outlines 16-foot waves, limited response time and infrastructure upgrades as officials push for evacuation ...

Tsunamis generated by earthquakes on the Alaska Subduction Zone are a persistent risk in the Pacific Northwest. Decisions ...

Japan’s government has issued a rare “megaquake advisory” after a 7.5 magnitude earthquake struck off the country’s northern ...

The earthquakes are not believed to be connected. But they are a reminder of lurking danger.

The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

It’s a geography bound by trade, talent, and technology — and if measured as a single economy, it would rank among the top 20 in the world.

"The flooding levels we're looking at are potentially historic in nature," Gov. Bob Ferguson said Thursday afternoon, urging ...

Salem, Ore (KTVZ) -- As Oregon prepares for the long-anticipated Cascadia Subduction Zone earthquake, state officials and experts warn that the region remains underprepared for the resulting tsunami ...