Copper River Census Area
Alaska — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 40th
Copper River Census Area faces very low composite natural disaster risk (NRI Risk Index score 39.9, 40th national percentile), driven primarily by avalanche and landslide exposure. Expected annual loss across all 18 hazard types is $8M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Avalanche | Very High | 0.83 / yr | $6M |
| Landslide | Medium | 70.71 / yr | $165K |
| Wildfire | Low | 0.00 / yr | $392K |
| Earthquake | Low | 0.11 / yr | $874K |
| Volcanic Activity | Very Low | 0.00 / yr | $34 |
| Cold Wave | Low | 2.83 / yr | $254K |
| Winter Weather | Low | 8.19 / yr | $17K |
| Lightning | Very Low | 19.73 / yr | $9K |
| Riverine Flood | Very Low | 0.01 / yr | $235K |
| Hail | Very Low | 0.00 / yr | $15 |
| Ice Storm | Very Low | 0.01 / yr | $190 |
| Tornado | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Drought | 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 |
| Tsunami | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Copper River Census Area?
Copper River Census Area has a composite FEMA National Risk Index score of 39.9 out of 100, placing it in the Very Low category and the 40th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Copper River Census Area?
The three highest-rated hazards are Avalanche (Very High, $6M EAL), Landslide (Medium, $165K EAL), Wildfire (Low, $392K EAL). These account for most of the county's expected annual losses.
How does Copper River Census Area compare to other Alaska counties?
Copper River Census Area ranks #12 of 30 Alaska counties for overall natural disaster risk, with a very 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. Copper River Census Area's $8M EAL is a statistical average, not a guarantee for any specific year or address.