Trigg County
Kentucky — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 48th
Trigg County faces low composite natural disaster risk (NRI Risk Index score 48.4, 48th national percentile), driven primarily by ice storm and earthquake exposure. Expected annual loss across all 18 hazard types is $11M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Ice Storm | High | 1.42 / yr | $423K |
| Earthquake | Low | 0.01 / yr | $2M |
| Drought | Medium | 6.32 / yr | $515K |
| Tornado | Medium | 0.41 / yr | $2M |
| Lightning | Medium | 55.65 / yr | $256K |
| Winter Weather | Low | 6.42 / yr | $59K |
| Landslide | Very Low | 0.98 / yr | $1K |
| Heat Wave | Low | 8.84 / yr | $271K |
| Riverine Flood | Low | 1.36 / yr | $4M |
| Cold Wave | Low | 0.84 / yr | $555K |
| Strong Wind | Low | 4.19 / yr | $327K |
| Hail | Very Low | 2.77 / yr | $91K |
| Hurricane | Very Low | 0.01 / yr | $6K |
| Wildfire | Very Low | 0.00 / yr | $3K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Trigg County?
Trigg County has a composite FEMA National Risk Index score of 48.4 out of 100, placing it in the Low category and the 48th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Trigg County?
The three highest-rated hazards are Ice Storm (High, $423K EAL), Earthquake (Low, $2M EAL), Drought (Medium, $515K EAL). These account for most of the county's expected annual losses.
How does Trigg County compare to other Kentucky counties?
Trigg County ranks #47 of 120 Kentucky 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. Trigg County's $11M EAL is a statistical average, not a guarantee for any specific year or address.