Moderate Risk Washington  ·  Earthquake / Tsunami

Grays Harbor County WA

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

7/ 10
Threat Score
Population
72
Area
1,917
sq miles
Primary Hazard
Earthquake / Tsunami
FEMA Disasters
8
federally declared

Grays Harbor County WA in Washington faces earthquake / tsunami risk across its 1,917 square mile area. Aberdeen on Grays Harbor faces Cascadia earthquake tsunami and Pacific coast storm risk. Grays Harbor serves as the county seat and regional emergency coordination hub.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 7 / 10    Moderate Risk
Primary Hazard Earthquake / Tsunami
Secondary Hazard Volcanic
FEMA Flood Zone Moderate
Federally Declared Disasters 8
Last Major Event 2021 Coastal Storm
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (360) 249-3731
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Grays Harbor County WA
State Washington (WA)
Population 72
Area 1,917 sq miles
FEMA Region Moderate

// Other Washington Counties