The U.S. Geological Survey puts the chance of a magnitude 9 earthquake rupturing the full length of the Cascadia megathrust ...

Oregon’s Office of Emergency Management says scientists see about a 37% chance that a magnitude 7.1-plus megathrust earthquake will strike the Cascadia fault zone within the next 50 years. The same ...

It's not a matter of if, but when. The big one, so to speak, is coming. And according to recent study from the Proceedings of the National Academy of Sciences, there's a 15% chance of a rupture in the ...

The “Big One” Earthquake Might Be a One-Two Punch ...

The West Coast’s worst nightmare may not end with one catastrophic earthquake. Scientists have uncovered evidence suggesting the long-feared magnitude 9 Cascadia “Big One” could trigger a second major ...

A 5.7 earthquake rattled the seafloor about 100 miles off Pistol River on the coast of Oregon around 4 a.m. on Wednesday. The quake originated at a depth of about 6 miles and was part of a cluster ...

California experienced three earthquakes in an area being closely monitored for a major quake on Thursday and Friday.

EWEB and the University of Oregon's Earthquake Science Center are teaming up to teach residents how to prepare for a major Cascadia Subduction Zone earthquake.

Swiss Re's James Gasco says the businesses that recover fastest after a disaster aren't the ones with the most coverage – they're the ones with the fastest access to cash ...