Ripley County Disaster Risk

Ripley County has a FEMA National Risk Index rating of Relatively Low, placing it in the 57th 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.

Ripley County is evaluated for five major natural hazard types: earthquake (88th percentile), flooding (59th percentile), tornado (58th percentile), wildfire (45th percentile), hurricane (40th 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.

Ripley County's composite risk percentile is 57th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Ripley County faces higher natural disaster risk than the typical county in Missouri.

Yes, Ripley County's earthquake risk is at the 88th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Ripley County is at the 59th 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.

Ripley County's composite risk score of 57th percentile is above the Missouri state average of 51th percentile. This elevated risk is driven by earthquake exposure (88th percentile), along with flooding and tornado risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.