Natural Disaster Risk in Duncan

Natural Hazard Profile: Duncan, Arizona

Duncan, in Greenlee County, is a town of roughly 2,672 residents situated in the arid interior West. Its desert climate brings intense summer heat and very low annual precipitation, and in particular a summer monsoon season bringing flash flood risk. These conditions collectively define the natural hazard environment that Duncan residents and property owners must navigate.

According to FEMA's National Risk Index, Duncan carries an overall risk score of 4.7/10, placing it in the moderate category. Volcanic activity is the foremost natural hazard, with the area situated near active volcanic systems capable of producing lava flows, ashfall, and pyroclastic hazards. The area also faces notable exposure to avalanche and wildfire.

Within Arizona, Duncan's risk is, slightly below the 6.1/10 state average. Nationally, it ranks near the U.S. national average of 4.5/10. FEMA's analysis of Greenlee County identifies volcano as the foremost hazard, followed by avalanche and wildfire. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

Duncan's moderate risk profile means that while catastrophic events are less frequent, they do occur. Standard homeowners insurance typically covers many common hazards here, but confirming that volcano exposure is adequately protected is a worthwhile step for property owners.