Union County Disaster Risk

Union County has a FEMA National Risk Index rating of Relatively Low, placing it in the 54th 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.

Union County is evaluated for five major natural hazard types: earthquake (77th percentile), tornado (70th percentile), hurricane (59th percentile), flooding (51th percentile), wildfire (28th percentile). The highest-risk hazard is earthquake at the 77th 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.

Union County's composite risk percentile is 54th, compared to the Arkansas state average of 56th percentile. The state's overall risk rating is Relatively Low. This means Union County faces lower natural disaster risk than the typical county in Arkansas.

Yes, Union County's earthquake risk is at the 77th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Union 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.

Union County's composite risk score of 54th percentile is below the Arkansas state average of 56th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is earthquake at the 77th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.