Alaska Disaster Risk
Natural disaster risk data for all 30 counties.
Avg FEMA Rating
Very Low
Avg Percentile
35th
Counties with Data
30
of 30 total
Highest Risk Counties
All Alaska Counties
Frequently Asked Questions
Which county in Alaska has the highest natural disaster risk?
Anchorage Municipality has the highest natural disaster risk in Alaska, rated Relatively High (97th percentile nationally), based on FEMA National Risk Index data.
Which county in Alaska is the safest from natural disasters?
Wrangell City and Borough has the lowest natural disaster risk in Alaska, rated Very Low (0th percentile nationally), based on FEMA NRI data.
What natural disasters are most common in Alaska?
Alaska counties face varying levels of risk from floods, wildfires, tornadoes, earthquakes, and hurricanes. The FEMA National Risk Index scores each county across 18 hazard types. See individual county pages for detailed hazard breakdowns.
How is natural disaster risk measured by county?
The FEMA National Risk Index (NRI) measures natural disaster risk using expected annual loss, social vulnerability, and community resilience. Scores are normalized nationally, with ratings from Very Low to Very High across 18 natural hazard types.
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Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.