San Juan County Disaster Risk

San Juan County has a FEMA National Risk Index rating of Very Low, placing it in the 27th 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.

San Juan County is evaluated for five major natural hazard types: wildfire (82th percentile), earthquake (56th percentile), flooding (24th percentile), tornado (5th percentile). The highest-risk hazard is wildfire at the 82th 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.

San Juan County's composite risk percentile is 27th, compared to the Utah state average of 36th percentile. The state's overall risk rating is Very Low. This means San Juan County faces lower natural disaster risk than the typical county in Utah.

Yes, San Juan County's wildfire risk is at the 82th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, San Juan County is at the 24th 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.

San Juan County's composite risk score of 27th percentile is below the Utah state average of 36th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 82th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.