Kodiak Island Borough Disaster Risk

Kodiak Island Borough has a FEMA National Risk Index rating of Relatively Low, placing it in the 65th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.

Kodiak Island Borough is evaluated for five major natural hazard types: earthquake (95th percentile), wildfire (23th percentile), flooding (4th percentile), tornado (0th percentile). The highest-risk hazard is earthquake at the 95th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.

Kodiak Island Borough's composite risk percentile is 65th, compared to the Alaska state average of 35th percentile. The state's overall risk rating is Very Low. This means Kodiak Island Borough faces higher natural disaster risk than the typical county in Alaska.

Yes, Kodiak Island Borough's earthquake risk is at the 95th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Kodiak Island Borough is at the 4th percentile.

FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.

Kodiak Island Borough's composite risk score of 65th percentile is above the Alaska state average of 35th percentile. This elevated risk is driven by earthquake exposure (95th percentile). Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.