Washington is at a higher risk for tsunamis and earthquakes because of the Cascadia Subduction Zone, a 621-mile fault that runs from Vancouver Island, B.C. to northern California.

Washington is at a higher risk for tsunamis and earthquakes because of the Cascadia Subduction Zone, a 621-mile fault that runs from Vancouver Island, B.C. to northern California.

Washington is at a higher risk for tsunamis and earthquakes because of the Cascadia Subduction Zone, a 621-mile fault that runs from Vancouver Island, B.C. to northern California.

Washington is at a higher risk for tsunamis and earthquakes because of the Cascadia Subduction Zone, a 621-mile fault that runs from Vancouver Island, B.C. to northern California.

Washington is at a higher risk for tsunamis and earthquakes because of the Cascadia Subduction Zone, a 621-mile fault that runs from Vancouver Island, B.C. to northern California.

Washington's coastal communities face a significant threat from tsunamis, with potential water heights reaching three stories in some areas following an offshore magnitude 9.0 earthquake.

The Washington Geologic Survey, helped by additional funding from the state Legislature, is also providing communities information to grapple with other tsunami scenarios such as another 9.2 quake ...

Washington state and Oregon considering more tsunami refuge facilities along Pacific Coast following Tom Banse November 05, 2021 / 11:56 am Credit: NW News Network ...

Local Tsunami advisory canceled for Washington, but serves as reminder for the ‘Big One’ By Josephine Peterson Updated January 15, 2022 6:21 PM ...