Moderate Risk Alaska  ·  Earthquake / Landslide

Petersburg Borough AK

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

6/ 10
Threat Score
Population
3
Area
3,828
sq miles
Primary Hazard
Earthquake / Landslide
FEMA Disasters
7
federally declared

Petersburg Borough AK in Alaska faces earthquake / landslide risk across its 3,828 square mile area. Petersburg in the Alaska Panhandle faces Southeast Alaska storms and earthquake risk. Petersburg 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 6 / 10    Moderate Risk
Primary Hazard Earthquake / Landslide
Secondary Hazard Flooding
FEMA Flood Zone Moderate
Federally Declared Disasters 7
Last Major Event 2018 Storm
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (907) 772-4519
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Petersburg Borough AK
State Alaska (AK)
Population 3
Area 3,828 sq miles
FEMA Region Moderate

// Other Alaska Counties