Island County, Washington
FEMA National Risk Index threat assessment for Island County.
Threat Level
High
NRI Composite Score
17.4
Social Vulnerability
33.8
Community Resilience
53.0
Top Hazards
Volcanic Activity
44.4
Relatively Moderate
Coastal Flooding
34.4
Relatively Moderate
Landslide
32.6
Relatively High
Earthquake
12.8
Relatively Moderate
Ice Storm
8.6
Relatively Low
Tsunami
7.0
Very Low
Tornado
6.5
Very Low
Lightning
6.0
Very Low
Avalanche
5.7
Very Low
Strong Wind
4.7
Very Low
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