FEMA estimates a Cascadia megathrust quake could result in tens of billions of dollars in damage and potentially 10,000 fatalities. Tuesday's earthquake occurred near the Mendocino Fault Zone ...

We do, however, have a similarly dangerous fault: the Cascadia subduction zone. A magnitude-9.0 earthquake on the Cascadia fault and the resulting tsunami would kill an estimated 14,000 people in ...

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 ...

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 ...