Hamblen County
Tennessee — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 47th
Hamblen County faces low composite natural disaster risk (NRI Risk Index score 47.1, 47th national percentile), driven primarily by earthquake and landslide exposure. Expected annual loss across all 18 hazard types is $12M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Earthquake | Low | 0.00 / yr | $2M |
| Landslide | Low | 0.49 / yr | $20K |
| Lightning | Medium | 51.54 / yr | $547K |
| Tornado | Low | 0.04 / yr | $2M |
| Ice Storm | Low | 0.19 / yr | $96K |
| Riverine Flood | Low | 0.61 / yr | $6M |
| Strong Wind | Low | 4.46 / yr | $433K |
| Winter Weather | Low | 4.74 / yr | $49K |
| Wildfire | Very Low | 0.00 / yr | $21K |
| Cold Wave | Low | 0.58 / yr | $535K |
| Hurricane | Very Low | 0.01 / yr | $23K |
| Drought | Low | 16.93 / yr | $24K |
| Hail | Very Low | 2.97 / yr | $95K |
| Heat Wave | Very Low | 0.47 / yr | $65K |
| 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 Hamblen County?
Hamblen County has a composite FEMA National Risk Index score of 47.1 out of 100, placing it in the Low category and the 47th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Hamblen County?
The three highest-rated hazards are Earthquake (Low, $2M EAL), Landslide (Low, $20K EAL), Lightning (Medium, $547K EAL). These account for most of the county's expected annual losses.
How does Hamblen County compare to other Tennessee counties?
Hamblen County ranks #58 of 95 Tennessee 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. Hamblen County's $12M EAL is a statistical average, not a guarantee for any specific year or address.