Cannon County
Tennessee — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 23th
Cannon County faces very low composite natural disaster risk (NRI Risk Index score 22.9, 23th national percentile), driven primarily by tornado and earthquake 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
| Tornado | Low | 0.21 / yr | $1M |
| Earthquake | Very Low | 0.00 / yr | $289K |
| Drought | Low | 17.68 / yr | $132K |
| Landslide | Very Low | 0.38 / yr | $823 |
| Winter Weather | Low | 5.58 / yr | $48K |
| Strong Wind | Low | 5.90 / yr | $404K |
| Riverine Flood | Low | 1.00 / yr | $4M |
| Lightning | Low | 59.66 / yr | $104K |
| Cold Wave | Low | 1.11 / yr | $343K |
| Hurricane | Very Low | 0.03 / yr | $10K |
| Ice Storm | Very Low | 0.65 / yr | $22K |
| Heat Wave | Very Low | 2.63 / yr | $58K |
| Hail | Very Low | 3.60 / yr | $18K |
| Wildfire | Very Low | 0.00 / yr | $1K |
| 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 Cannon County?
Cannon County has a composite FEMA National Risk Index score of 22.9 out of 100, placing it in the Very Low category and the 23th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Cannon County?
The three highest-rated hazards are Tornado (Low, $1M EAL), Earthquake (Very Low, $289K EAL), Drought (Low, $132K EAL). These account for most of the county's expected annual losses.
How does Cannon County compare to other Tennessee counties?
Cannon County ranks #79 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. Cannon County's $7M EAL is a statistical average, not a guarantee for any specific year or address.