Oregon County
Missouri — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 49th
Oregon County faces low composite natural disaster risk (NRI Risk Index score 48.7, 49th national percentile), driven primarily by earthquake and cold wave 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
| Earthquake | Low | 0.01 / yr | $1M |
| Cold Wave | Medium | 1.89 / yr | $3M |
| Ice Storm | Medium | 1.17 / yr | $239K |
| Heat Wave | Low | 12.37 / yr | $611K |
| Landslide | Low | 1.83 / yr | $3K |
| Tornado | Low | 0.44 / yr | $1M |
| Wildfire | Very Low | 0.00 / yr | $59K |
| Winter Weather | Low | 9.63 / yr | $50K |
| Riverine Flood | Low | 1.79 / yr | $4M |
| Hurricane | Very Low | 0.02 / yr | $17K |
| Strong Wind | Low | 2.44 / yr | $260K |
| Lightning | Low | 57.37 / yr | $96K |
| Hail | Very Low | 3.81 / yr | $29K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Drought | Very Low | 7.22 / 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 Oregon County?
Oregon County has a composite FEMA National Risk Index score of 48.7 out of 100, placing it in the Low category and the 49th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Oregon County?
The three highest-rated hazards are Earthquake (Low, $1M EAL), Cold Wave (Medium, $3M EAL), Ice Storm (Medium, $239K EAL). These account for most of the county's expected annual losses.
How does Oregon County compare to other Missouri counties?
Oregon County ranks #63 of 115 Missouri 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. Oregon County's $11M EAL is a statistical average, not a guarantee for any specific year or address.