Tsunami waves from a magnitude 7.5 earthquake on the Seattle Fault would only take minutes to reach the greater Seattle area, according to a study released in 2022. The Washington State Department ...

These along-strike differences support the presence of a section boundary within the Seattle fault zone beneath Puget Sound. Although uplift in the A.D. 900 earthquake occurred on both sides of this ...

The Pacific Northwest typically experiences three types of earthquakes: Shallow fault quakes: Ruptures in faults located in the upper 18 miles of the Earth's crust. These earthquakes typically ...