Natural Disaster Risk in Adak

Natural Hazard Profile: Adak, Alaska

Adak is a small unincorporated community in Aleutians West County, in Alaska, the northernmost U.S. state. The area experiences subarctic conditions with extreme cold winters and brief summers, with severe winter storms 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 Adak.

FEMA rates Adak's composite natural disaster risk at 4.1 out of 10 — moderate risk. The threat of tsunami inundation tops the local coastal risk profile, requiring residents in low-lying areas to maintain awareness of evacuation routes and warning systems. Residents should also account for volcano and avalanche risk in their preparedness planning.

Adak's risk score, slightly below the 4.6/10 state average and near the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Aleutians West County, the highest-scoring are tsunami, volcano, 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, Adak 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 tsunami is recommended.