Buchanan County

Virginia — Natural Disaster Risk Assessment

Low

Composite Risk Score

50.6

National percentile: 51th

Buchanan County faces low composite natural disaster risk (NRI Risk Index score 50.6, 51th national percentile), driven primarily by landslide and avalanche exposure. Expected annual loss across all 18 hazard types is $11M.

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

Expected Annual Loss $11M Annualized county-level EAL
Social Vulnerability Very High Population sensitivity
Community Resilience Very Low Capacity to recover
Population 20K Latest estimate

Top Hazards

Landslide
Medium $112K/yr
Avalanche
Low $8K/yr
Wildfire
Low $133K/yr

All 18 Hazard Risks

Landslide Medium 1.69 / yr $112K
Avalanche Low 0.01 / yr $8K
Wildfire Low 0.01 / yr $133K
Cold Wave Medium 0.79 / yr $1M
Riverine Flood Low 1.89 / yr $9M
Earthquake Very Low 0.00 / yr $162K
Hurricane Very Low 0.02 / yr $33K
Strong Wind Low 2.65 / yr $174K
Winter Weather Low 10.84 / yr $17K
Lightning Low 48.57 / yr $56K
Ice Storm Very Low 0.21 / yr $4K
Heat Wave Very Low 0.26 / yr $14K
Hail Very Low 3.07 / yr $21K
Tornado Very Low 0.05 / yr $41K
Coastal Flood Very Low 0.00 / yr $0
Drought Very Low 5.25 / 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 Buchanan County?

Buchanan County has a composite FEMA National Risk Index score of 50.6 out of 100, placing it in the Low category and the 51th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Buchanan County?

The three highest-rated hazards are Landslide (Medium, $112K EAL), Avalanche (Low, $8K EAL), Wildfire (Low, $133K EAL). These account for most of the county's expected annual losses.

How does Buchanan County compare to other Virginia counties?

Buchanan County ranks #35 of 133 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. Buchanan County's $11M EAL is a statistical average, not a guarantee for any specific year or address.