Gibson County

Indiana — Natural Disaster Risk Assessment

Low

Composite Risk Score

48.0

National percentile: 48th

Gibson County faces low composite natural disaster risk (NRI Risk Index score 48.0, 48th national percentile), driven primarily by drought and earthquake exposure. Expected annual loss across all 18 hazard types is $18M.

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

Expected Annual Loss $18M Annualized county-level EAL
Social Vulnerability Low Population sensitivity
Community Resilience Very High Capacity to recover
Population 33K Latest estimate

Top Hazards

Drought
High $3M/yr
Earthquake
Low $5M/yr
Strong Wind
Medium $1M/yr

All 18 Hazard Risks

Drought High 4.97 / yr $3M
Earthquake Low 0.01 / yr $5M
Strong Wind Medium 4.20 / yr $1M
Landslide Low 0.33 / yr $10K
Heat Wave Low 8.37 / yr $1M
Winter Weather Low 8.00 / yr $104K
Hail Low 2.89 / yr $421K
Ice Storm Low 0.38 / yr $91K
Tornado Low 0.34 / yr $934K
Riverine Flood Low 8.68 / yr $5M
Lightning Low 52.42 / yr $157K
Hurricane Very Low 0.01 / yr $14K
Cold Wave Low 1.11 / yr $363K
Wildfire Very Low 0.00 / yr $2K
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 Gibson County?

Gibson County has a composite FEMA National Risk Index score of 48.0 out of 100, placing it in the Low category and the 48th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Gibson County?

The three highest-rated hazards are Drought (High, $3M EAL), Earthquake (Low, $5M EAL), Strong Wind (Medium, $1M EAL). These account for most of the county's expected annual losses.

How does Gibson County compare to other Indiana counties?

Gibson County ranks #36 of 92 Indiana 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. Gibson County's $18M EAL is a statistical average, not a guarantee for any specific year or address.