Need to overcome resistance in some counties to keeping more detailed records. Puget Sound tsunamis differ from those on the outer coast. Puget Sound tsunamis . Will be over in 30 minutes or so following an earthquake. Outer coast tsunamis .
Distant tsunamis allow many hours of response time.
May have damaging waves for 12 hours following the earthquake. Locally, great devastation will follow a tsunami. Many deaths are possible from debris. Scenarios provide guidance for emergency managers. The Seattle fault scenario showed areas of inundation in Puget Sound with strong currents around Harbor Island.