Natural Disaster Risk in Mantua

Natural Hazard Profile: Mantua, Utah

Mantua, in Box Elder County, is a small community of about 1,677 situated in the Great Plains. Its semi-arid climate brings dry conditions, hot summers, and heavy mountain snowfall, and in particular significant avalanche risk in mountain terrain each winter. These conditions collectively define the natural hazard environment that Mantua residents and property owners must navigate.

Mantua's overall natural disaster risk is rated 5.8/10 (Moderate) by FEMA's National Risk Index. Snow avalanche exposure tops the local risk profile, with the area's mountain setting and annual snowfall loading producing regular avalanche cycles on steep slopes. Secondary hazards include wildfire and earthquake.

Within Utah, Mantua's risk is, near the 5.5/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Box Elder County identifies avalanche as the foremost hazard, followed by wildfire and earthquake. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Mantua residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for avalanche is recommended.