Natural Disaster Risk in Alton

Natural Hazard Profile: Alton, Utah

Alton is a small unincorporated community in Kane County, in the Great Plains. The area experiences dry conditions, hot summers, and heavy mountain snowfall, with significant avalanche risk in mountain terrain each winter shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Alton.

FEMA rates Alton's composite natural disaster risk at 5.3 out of 10 — moderate risk. The threat from nearby active volcanoes tops the local risk profile, with potential hazards including ash fall that disrupts air travel and agriculture, and lava that threatens infrastructure. Residents should also account for landslide and avalanche risk in their preparedness planning.

Alton's risk score, near the 5.5/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Kane County, the highest-scoring are volcano, landslide, and avalanche. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Alton 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 volcano is recommended.