he Washington Department of Natural Resources recently released simulations that show how a powerful tsunami would overwhelm the state’s coastal and shoreline communities if a magnitude 9.0 earthquake struck along the Cascadia subduction zone.

For more info, please read the original article by SF Gate:
https://www.foxnews.com/science/tsunami-earthquake-washington-state-big-one-disaster-west-subduction-zone-ring-of-fire-disaster-response