riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Ripley County Disaster Risk

Ripley County, Indiana

FEMA Risk Rating

Relatively Low

National Percentile

47th

of 3,144 counties

State Rank

#38

of 92 (1 = highest risk)

Flood Risk

54th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 54% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 8% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 79% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 65% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 29% of US counties

Risk Overview

About Natural Disaster Risk in Ripley County, Indiana

Ripley faces above-average disaster risk

With a composite risk score of 46.79, Ripley County rates as "Relatively Low" but exceeds the national average, indicating moderate natural hazard exposure. Tornado risk at 79.45 is notably elevated and deserves serious attention.

Slightly riskier than typical Indiana county

Ripley County's 46.79 score is above Indiana's state average of 45.52, placing it in the higher-risk half of the state's counties. Its tornado risk is among the highest in Indiana, reflecting geographic vulnerability.

Tornado risk outpaces surrounding areas

Ripley County's tornado risk of 79.45 is significantly higher than neighboring Franklin and Decatur counties, making it the most tornado-prone county in its immediate region. Its flood risk of 53.82 is also above regional norms due to proximity to the Ohio River.

Tornadoes pose exceptional regional threat

With a tornado risk score of 79.45, Ripley County faces one of Indiana's highest tornado threats; residents must prioritize severe weather preparedness. Earthquake risk of 65.36 adds secondary concern, particularly for older homes and structures.

Tornado safety is non-negotiable

Ripley County residents should identify or build a safe room—an interior, windowless space on the lowest floor—and drill access regularly. Ensure homeowners insurance covers wind and hail, and maintain a weather radio to receive emergency warnings immediately when storms approach.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Ripley County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    79th percentile
  2. #2
    EarthquakePrepare
    65th percentile
  3. #3
    FloodPrepare
    54th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Ripley County

Risk Verdict

Ripley County has a below-average natural disaster risk profile, scoring at the 47th percentile nationally under FEMA's National Risk Index. At the 47th percentile, Ripley County's risk profile is among the more manageable in the country — the hazard-specific breakdown above shows where any remaining preparedness focus is best directed.

Hazard Breakdown

Tornado risk is Ripley County's dominant natural hazard, ranked at the 79th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 65th percentile nationally. Additional tracked hazards include flood (54th percentile), hurricane (29th percentile), wildfire (8th percentile).

Preparedness Context

Tornado risk is Ripley County's top-ranked natural hazard at the 79th percentile nationally. For Ripley County households, the most protective action available is identifying a reinforced interior room on the lowest floor — a bathroom, closet, or central hallway away from windows. Earthquake is the second hazard driver for Ripley County at the 65th percentile nationally, meaning households should maintain awareness of both severe-weather and earthquake-specific warning systems. A battery-powered NOAA All Hazards weather radio with an auto-alert tone is the highest-leverage single item for tornado preparedness in Ripley County, since it delivers warnings even when power is out and phone networks are congested.

Regional Context

At just 1.3 composite points from the Indiana average, Ripley County's natural disaster risk is closely in line with its in-state peers.

Is your household prepared for Ripley County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Ripley County, IN?
Ripley County has a FEMA National Risk Index rating of Relatively Low, placing it in the 47th 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 Ripley County?
Ripley County is evaluated for five major natural hazard types: tornado (79th percentile), earthquake (65th percentile), flooding (54th percentile), hurricane (29th percentile), wildfire (8th percentile). The highest-risk hazard is tornado at the 79th 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 Ripley County risk compare to the Indiana average?
Ripley County's composite risk percentile is 47th, compared to the Indiana state average of 46th percentile. The state's overall risk rating is Relatively Low. This means Ripley County faces higher natural disaster risk than the typical county in Indiana.
Is Ripley County at risk for tornado?
Yes, Ripley County's tornado risk is at the 79th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Ripley County is at the 54th 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 Ripley County higher risk than average?
Ripley County's composite risk score of 47th percentile is above the Indiana state average of 46th percentile. This elevated risk is driven by tornado exposure (79th percentile), along with earthquake and flooding risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, 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.