Marion County

West Virginia — Natural Disaster Risk Assessment

Low

Composite Risk Score

71.5

National percentile: 72th

Marion County faces low composite natural disaster risk (NRI Risk Index score 71.5, 72th national percentile), driven primarily by landslide and riverine flood exposure. Expected annual loss across all 18 hazard types is $30M.

Source: FEMA National Risk Index v1.20 · Updated December 2025

Expected Annual Loss $30M Annualized county-level EAL
Social Vulnerability Medium Population sensitivity
Community Resilience High Capacity to recover
Population 56K Latest estimate

Top Hazards

Landslide
Low $35K/yr
Riverine Flood
Medium $27M/yr
Hail
Low $516K/yr

All 18 Hazard Risks

Landslide Low 0.80 / yr $35K
Riverine Flood Medium 2.36 / yr $27M
Hail Low 2.11 / yr $516K
Lightning Medium 44.59 / yr $419K
Hurricane Low 0.02 / yr $181K
Strong Wind Low 1.27 / yr $508K
Winter Weather Low 9.27 / yr $52K
Earthquake Very Low 0.00 / yr $169K
Ice Storm Low 0.20 / yr $56K
Heat Wave Very Low 2.21 / yr $203K
Tornado Low 0.05 / yr $530K
Wildfire Very Low 0.00 / yr $14K
Drought Very Low 2.58 / yr $15K
Cold Wave Very Low 2.53 / yr $174K
Avalanche Very Low 0.01 / yr $17
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 Marion County?

Marion County has a composite FEMA National Risk Index score of 71.5 out of 100, placing it in the Low category and the 72th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Marion County?

The three highest-rated hazards are Landslide (Low, $35K EAL), Riverine Flood (Medium, $27M EAL), Hail (Low, $516K EAL). These account for most of the county's expected annual losses.

How does Marion County compare to other West Virginia counties?

Marion County ranks #11 of 55 West Virginia 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. Marion County's $30M EAL is a statistical average, not a guarantee for any specific year or address.