A massive earthquake along the Cascadia Subduction Zone could trigger a devastating mega-tsunami, threatening Alaska, Hawaii, ...

The next great earthquake isn't the only threat to the Pacific Northwest. A powerful earthquake, combined with rising sea levels, could significantly increase flood risks in the Pacific Northwest, ...

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 ... a comprehensive map of the underwater ...