Natural Disaster Risk — ZIP Code 99833

Natural Hazard Profile: ZIP 99833, Alaska

ZIP 99833 in Petersburg sits in Alaska, the northernmost U.S. state. Its subarctic climate produces subarctic conditions with extreme cold winters and brief summers, and notably severe winter storms. These conditions define the natural disaster environment for households across this ZIP code.

According to FEMA's National Risk Index, ZIP 99833 carries an overall risk score of 3.7/10, placing it in the low category. Landslide and debris flow risk tops the local hazard profile, with steep terrain and periodic heavy rainfall creating conditions for rapid slope failure in vulnerable areas. The area also faces notable exposure to avalanche and volcano.

Within Alaska, ZIP 99833's risk is, slightly below the 4.6/10 state average. Nationally, it ranks below the U.S. national average of 4.5/10. FEMA's analysis of Alaska identifies landslide as the foremost hazard, followed by avalanche and volcano. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

ZIP 99833 carries a below-average natural disaster risk, reflecting fewer and less severe hazard exposures than typical U.S. communities. Even so, the area's primary risk — landslide — warrants awareness and appropriate insurance coverage, as lower risk does not mean zero risk.