High Risk Alaska  ·  Earthquake / Tsunami

Aleutians West Census Area AK

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

8/ 10
Threat Score
Population
5
Area
4,397
sq miles
Primary Hazard
Earthquake / Tsunami
FEMA Disasters
9
federally declared

Aleutians West Census Area AK in Alaska faces earthquake / tsunami risk across its 4,397 square mile area. Unalaska-Dutch Harbor faces Aleutian volcanic earthquake and tsunami risk. Aleutians West 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 8 / 10    High Risk
Primary Hazard Earthquake / Tsunami
Secondary Hazard Volcanic
FEMA Flood Zone Moderate
Federally Declared Disasters 9
Last Major Event 2021 Earthquake
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (907) 581-1251
Emergency Shelters 4 designated facilities
Evacuation Routes State and US highways

// County Profile

County Aleutians West Census Area AK
State Alaska (AK)
Population 5
Area 4,397 sq miles
FEMA Region Moderate

// Major Cities

Unalaska AK

// Cities in This County

// Other Alaska Counties