Petersburg Borough, Alaska
FEMA National Risk Index threat assessment for Petersburg Borough.
Threat Level
Guarded
NRI Composite Score
3.5
Social Vulnerability
28.6
Community Resilience
45.1
Top Hazards
Winter Weather
6.4
Very Low
Avalanche
5.7
Very Low
Ice Storm
5.0
Very Low
Earthquake
4.5
Relatively Low
Tornado
0.1
Very Low
Volcanic Activity
0.0
Very Low
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