Guernsey County
Ohio — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 38th
Guernsey County faces very low composite natural disaster risk (NRI Risk Index score 37.5, 38th national percentile), driven primarily by landslide and hail exposure. Expected annual loss across all 18 hazard types is $9M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Low | 1.01 / yr | $30K |
| Hail | Low | 3.17 / yr | $331K |
| Drought | Low | 5.97 / yr | $256K |
| Lightning | Medium | 43.15 / yr | $263K |
| Riverine Flood | Low | 2.07 / yr | $7M |
| Ice Storm | Low | 0.39 / yr | $90K |
| Heat Wave | Low | 2.26 / yr | $265K |
| Winter Weather | Low | 9.05 / yr | $39K |
| Hurricane | Very Low | 0.01 / yr | $24K |
| Strong Wind | Low | 1.68 / yr | $319K |
| Earthquake | Very Low | 0.00 / yr | $110K |
| Tornado | Low | 0.16 / yr | $588K |
| Wildfire | Very Low | 0.00 / yr | $12K |
| Cold Wave | Very Low | 2.79 / yr | $101K |
| 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 Guernsey County?
Guernsey County has a composite FEMA National Risk Index score of 37.5 out of 100, placing it in the Very Low category and the 38th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Guernsey County?
The three highest-rated hazards are Landslide (Low, $30K EAL), Hail (Low, $331K EAL), Drought (Low, $256K EAL). These account for most of the county's expected annual losses.
How does Guernsey County compare to other Ohio counties?
Guernsey County ranks #65 of 88 Ohio 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. Guernsey County's $9M EAL is a statistical average, not a guarantee for any specific year or address.