Perry County
Tennessee — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 33th
Perry County faces very low composite natural disaster risk (NRI Risk Index score 33.4, 33th national percentile), driven primarily by earthquake and landslide exposure. Expected annual loss across all 18 hazard types is $7M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Earthquake | Low | 0.00 / yr | $609K |
| Landslide | Low | 1.61 / yr | $3K |
| Tornado | Low | 0.30 / yr | $1M |
| Cold Wave | Low | 1.21 / yr | $801K |
| Riverine Flood | Low | 0.89 / yr | $4M |
| Hurricane | Very Low | 0.03 / yr | $23K |
| Strong Wind | Low | 3.84 / yr | $223K |
| Lightning | Low | 58.66 / yr | $73K |
| Heat Wave | Very Low | 5.79 / yr | $90K |
| Drought | Very Low | 10.22 / yr | $13K |
| Ice Storm | Very Low | 0.69 / yr | $13K |
| Winter Weather | Very Low | 5.00 / yr | $5K |
| Wildfire | Very Low | 0.00 / yr | $2K |
| Hail | Very Low | 3.20 / yr | $12K |
| 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 Perry County?
Perry County has a composite FEMA National Risk Index score of 33.4 out of 100, placing it in the Very Low category and the 33th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Perry County?
The three highest-rated hazards are Earthquake (Low, $609K EAL), Landslide (Low, $3K EAL), Tornado (Low, $1M EAL). These account for most of the county's expected annual losses.
How does Perry County compare to other Tennessee counties?
Perry County ranks #71 of 95 Tennessee 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. Perry County's $7M EAL is a statistical average, not a guarantee for any specific year or address.