Oregon experiences regular (in geologic time) mega thrust earthquakes and large "local" tsunamis. Oregon also receives "distant" tsunamis from earthquakes elsewhere on the Pacific Rim. Distant tsunamis pale in comparision in terms of danger and impact.
Oregonians need to prepare for both types of tsunamis.
Follow the links below (in orange) to learn more.
La información en español:
Amazing Footage of Japanese Tsunami March 2011