Posey County Disaster Risk

Posey County has a FEMA National Risk Index rating of Relatively Low, placing it in the 46th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.

Posey County is evaluated for five major natural hazard types: earthquake (88th percentile), tornado (56th percentile), flooding (51th percentile), hurricane (27th percentile), wildfire (4th percentile). The highest-risk hazard is earthquake at the 88th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.

Posey County's composite risk percentile is 46th, compared to the Indiana state average of 46th percentile. The state's overall risk rating is Relatively Low. This means Posey County faces higher natural disaster risk than the typical county in Indiana.

Yes, Posey County's earthquake risk is at the 88th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Posey County is at the 51th percentile.

FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.

Posey County's composite risk score of 46th percentile is above the Indiana state average of 46th percentile. This elevated risk is driven by earthquake exposure (88th percentile), along with tornado and flooding risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.