High Risk Alaska  ·  Earthquake / Volcanic

Matanuska-Susitna Borough AK

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

8/ 10
Threat Score
Population
107
Area
24,694
sq miles
Primary Hazard
Earthquake / Volcanic
FEMA Disasters
9
federally declared

Matanuska-Susitna Borough AK in Alaska faces earthquake / volcanic risk across its 24,694 square mile area. Wasilla and Palmer serve this fast-growing Anchorage suburb borough facing earthquake risk. Matanuska-Susitna 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 / Volcanic
Secondary Hazard Tsunami
FEMA Flood Zone Moderate
Federally Declared Disasters 9
Last Major Event 2018 7.1 Earthquake
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (907) 861-7600
Emergency Shelters 4 designated facilities
Evacuation Routes State and US highways

// County Profile

County Matanuska-Susitna Borough AK
State Alaska (AK)
Population 107
Area 24,694 sq miles
FEMA Region Moderate

// Major Cities

Palmer AK Wasilla AK

// Cities in This County

// Other Alaska Counties

// Nearby Infrastructure Risks

Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.

Joint Base Elmendorf-Richardson AK
Military Installation  ·  Anchorage, AK  ·  US Air Force / US Army  ·  25-mi risk zone
8/10 High

Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.