Natural Disaster Risk — ZIP Code 99850

Natural Hazard Profile: ZIP 99850, Alaska

Located in Alaska, the northernmost U.S. state, ZIP 99850 serves the Juneau community. The subarctic climate of this part of Alaska — bringing subarctic conditions with extreme cold winters and brief summers — directly shapes the hazard exposure for properties in this postal area.

ZIP 99850's overall natural disaster risk is rated 4.2/10 (Moderate) by FEMA's National Risk Index. Coastal tsunami exposure is the dominant hazard concern, with the regional tectonic environment capable of generating both local and distant-source tsunami waves. Secondary hazards include avalanche and landslide.

Relative to other U.S. communities, ZIP 99850's natural disaster risk is near the U.S. national average of 4.5/10, near the 4.6/10 state average. The hazard distribution here is led by tsunami and avalanche, as measured by FEMA across Alaska. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a moderate risk rating, ZIP 99850 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.