riskbycounty
FEMA National Risk Index

Posey County Disaster Risk

Posey County, Indiana

FEMA Risk Rating

Relatively Low

National Percentile

46th

of 3,144 counties

State Rank

#39

of 92 (1 = highest risk)

Flood Risk

51th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 51% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 4% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 56% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 88% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 27% of US counties

Risk Advisory: Posey County

Risk Verdict

Posey County shows a relatively low overall disaster risk profile, scoring in the 46th percentile nationally. The county faces moderate hazard exposure relative to other U.S. counties. Standard emergency preparedness is recommended, with attention to the specific hazards that dominate locally.

Hazard Breakdown

Earthquake risk is the dominant hazard for Posey County, scoring in the 88th percentile nationally. It is followed by tornado risk at the 56th percentile. Additional hazards include flood (51th), hurricane (27th), wildfire (4th).

Preparedness Context

With earthquake risk as the top concern, Posey County residents should secure heavy furniture and appliances, know how to shut off utilities, and keep emergency supplies accessible. Secondary risks such as tornado also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Posey County has a disaster risk profile close to the average county in Indiana. Its composite risk score is within 0.8 points of the state average, meaning its overall hazard exposure is broadly representative of Indiana as a whole.

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Frequently Asked Questions

What is the natural disaster risk in Posey County, IN?
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.
What types of natural hazards affect Posey County?
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.
How does Posey County risk compare to the Indiana average?
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.
Is Posey County at risk for earthquake?
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.
How is natural disaster risk measured?
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.
Why is Posey County higher risk than average?
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.

Counties with Similar Risk

Ripley County

Indiana

+0.5

Relatively Low

47th percentile

Dearborn County

Indiana

-1.1

Relatively Low

45th percentile

Lawrence County

Indiana

+1.5

Relatively Low

48th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.

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