Kodiak Island Borough
Alaska — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 65th
Kodiak Island Borough faces low composite natural disaster risk (NRI Risk Index score 65.1, 65th national percentile), driven primarily by landslide and earthquake exposure. Expected annual loss across all 18 hazard types is $25M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Medium | 55.35 / yr | $231K |
| Earthquake | Medium | 0.13 / yr | $14M |
| Tsunami | Medium | 0.31 / yr | $11M |
| Volcanic Activity | Very Low | 0.03 / yr | $67 |
| Avalanche | Very Low | 0.01 / yr | $554 |
| Winter Weather | Low | 3.70 / yr | $43K |
| Wildfire | Very Low | 0.00 / yr | $10K |
| Ice Storm | Very Low | 0.01 / yr | $3K |
| Riverine Flood | Very Low | 0.01 / yr | $670K |
| Tornado | Very Low | 0.00 / yr | $1 |
| Lightning | Very Low | 0.84 / yr | $780 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Cold Wave | Very Low | 0.04 / yr | $0 |
| Drought | Very Low | 0.00 / yr | $0 |
| Hail | Very Low | 0.00 / yr | $0 |
| Heat Wave | Very Low | 0.00 / yr | $0 |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Strong Wind | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Kodiak Island Borough?
Kodiak Island Borough has a composite FEMA National Risk Index score of 65.1 out of 100, placing it in the Low category and the 65th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Kodiak Island Borough?
The three highest-rated hazards are Landslide (Medium, $231K EAL), Earthquake (Medium, $14M EAL), Tsunami (Medium, $11M EAL). These account for most of the county's expected annual losses.
How does Kodiak Island Borough compare to other Alaska counties?
Kodiak Island Borough ranks #6 of 30 Alaska counties for overall natural disaster risk, with a low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Kodiak Island Borough's $25M EAL is a statistical average, not a guarantee for any specific year or address.