January 26 marked the 325th anniversary since the last earthquake struck the Cascadia Subduction Zone. Centuries later, the ancient quake has left clues for scientists to prepare for the next one.

The Pacific Northwest is at risk for a mega-earthquake because of the Cascadia Subduction Zone. The region is primed for powerful quakes, with a particularly strong one called the Big One ...

Phelps and other disaster managers are pushing that point because the Cascadia Subduction Zone Earthquake is not the apocalypse. Most of us will live through it when it happens. But what our ...