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.

PORTLAND, Ore. (KOIN) – 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 ...

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 ...