The risk of a devastating mega-tsunami from the Cascadia Subduction Zone highlights the need for improved evacuation plans.

The Cascadia Subduction Zone, stretching from Northern California to Vancouver Island, could trigger a catastrophic ...

A new Virginia Tech study warns of a mega-tsunami that could strike the US Pacific Coast if a massive earthquake hits the ...

Southern Washington, northern Oregon, and northern California are the regions which are most vulnerable to flooding from a ...