An earthquake ... last occurred over 300 years ago, could trigger a tsunami reaching heights of 75 to 100 feet and impact regions as far away as Japan. FEMA estimates a Cascadia megathrust quake ...
(KOIN) – January 26 marked the 325th anniversary since the last earthquake struck ... systems for the Cascadia zone. “The Cascadia Subduction Zone is tens of miles offshore in the deep ocean.