Rio Arriba County Disaster Risk
Rio Arriba County, New Mexico
FEMA Risk Rating
Relatively Low
National Percentile
81th
of 3,144 counties
State Rank
#11
of 33 (1 = highest risk)
Flood Risk
88th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 88% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively High
Higher than 96% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 12% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 79% of US counties
Risk Overview
About Natural Disaster Risk in Rio Arriba County, New Mexico
Rio Arriba faces significant national risk
Rio Arriba County scores 80.50 on composite risk, earning a Relatively Low rating while exceeding the national average substantially. This elevated score reflects serious exposure to multiple natural hazards across the county's landscape.
Among New Mexico's riskiest counties
Rio Arriba County ranks near the top of New Mexico's risk hierarchy with an 80.50 score, well above the state average of 58.92. The county represents one of the state's most hazard-vulnerable communities.
Significantly riskier than adjacent counties
Rio Arriba County's 80.50 score exceeds neighboring Mora and Taos counties substantially. The county's northern location and mountainous terrain expose residents to some of New Mexico's highest wildfire and earthquake risks.
Wildfire and earthquake are severe threats
Wildfire risk dominates at 96.22, making Rio Arriba County one of New Mexico's most fire-prone areas with extreme threat to structures. Earthquake risk at 79.42 and flood risk at 88.39 complete a formidable multi-hazard profile.
Comprehensive coverage absolutely necessary
Rio Arriba County residents must secure homeowners insurance with comprehensive wildfire coverage and maintain aggressive defensible space management. Earthquake insurance is strongly recommended, especially in areas near active fault lines, and flood insurance should be evaluated for properties in vulnerable zones.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Rio Arriba County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Rio Arriba County
Risk Verdict
Rio Arriba County's FEMA risk score places it at the 81th percentile nationally, indicating lower-than-typical exposure for a U.S. county. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Rio Arriba County residents.
Hazard Breakdown
Wildfire risk is Rio Arriba County's dominant natural hazard, ranked at the 96th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 88th percentile nationally. Additional tracked hazards include earthquake (79th percentile), tornado (12th percentile).
Preparedness Context
Rio Arriba County sits at the 96th percentile for wildfire exposure. Signing up for Rio Arriba County's county emergency alert system and knowing the pre-planned evacuation route before conditions deteriorate are the two highest-value preparedness actions for residents here. A secondary flood exposure at the 88th percentile nationally means Rio Arriba County residents face hazards from two distinct natural peril categories during different seasons. In Rio Arriba County, wildfire smoke often precedes the flame front by hours or days; households benefit from tracking EPA's AirNow.gov and having HEPA air filtration available as a first line of indoor protection when air quality alerts are issued.
Regional Context
The New Mexico county average is 21.6 composite points below Rio Arriba County's score, a gap that reflects the county's elevated position in the state's hazard distribution.
Is your household prepared for Rio Arriba County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Rio Arriba County, NM?
What types of natural hazards affect Rio Arriba County?
How does Rio Arriba County risk compare to the New Mexico average?
Is Rio Arriba County at risk for wildfire?
How is natural disaster risk measured?
Why is Rio Arriba County higher risk than average?
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.