Sierra County, California
FEMA National Risk Index threat assessment for Sierra County.
Threat Level
Elevated
NRI Composite Score
11.0
Social Vulnerability
46.7
Community Resilience
52.9
Top Hazards
Wildfire
25.3
Relatively Moderate
Landslide
17.9
Relatively Moderate
Drought
14.6
Relatively Moderate
Inland Flooding
10.6
Relatively Low
Avalanche
7.9
Very Low
Winter Weather
7.8
Very Low
Earthquake
5.9
Relatively Low
Lightning
5.7
Very Low
Strong Wind
4.1
Very Low
Tornado
3.4
Very Low
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