The Cascadia Subduction Zone has been quiet for more than three centuries, but that silence is exactly what alarms the scientists who study it. Along roughly 600 miles of fault off the Pacific ...

Chris Goldfinger, who grew up in the Bay Area and emerged as a leading scientist on the feared Cascadia Fault, discusses the ...

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

Viral TikToks claim that recent geomagnetic storms caused Japan's earthquake oand might predict an imminent Cascadia quake.

The Washington Emergency Management Division (EMD) has unveiled a comprehensive Tsunami Maritime Response and Mitigation ...

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

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and scraping past one another. Over the eons, this activity has regularly caused major ...

Japan's tsunami sirens highlight Canada's own Cascadia risk – and OSFI's warning that earthquake 'never' events demand real ...

In the face of a looming Cascadia earthquake, an Oregonian/OregonLive investigation into the structural integrity of Portland-area schools revealed that years after initial warnings, many students ...

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and the San Andreas fault — operated on separate geologic stages. One dives, one ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...