Yet, the biggest or mega earthquake threat is from the Cascadia Subduction Zone about 100 miles off the coast. This subduction zone is quite similar to the Sumatra earthquake region. The last ...

According to experts, "the big one" — a magnitude 8.0 or higher earthquake — is imminent from the Cascadia Subduction Zone off the coast. Experts say there is a 1-in-3 chance that a magnitude ...

The results don't necessarily change the estimated earthquake frequency in Cascadia, which is about every 500 years, said the ...

The 1700 Cascadia earthquake and tsunami was a natural disaster that reshaped the Pacific Northwest. Through tree rings, soil layers and international collaboration, scientists have pieced ...

PORTLAND, Ore. (KOIN) – As the west coast awaits the next massive Cascadia Subduction Zone earthquake, researchers have ...

BEND, Ore. (KTVZ)-- The recent 7.0 earthquake that struck off the Northern California coast is reminding many residents along the West Coast of the impending 'Big One' expected to hit within the ...

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 ...