Contra Costa County, California
FEMA National Risk Index threat assessment for Contra Costa County.
Threat Level
Critical
NRI Composite Score
29.3
Social Vulnerability
25.8
Community Resilience
54.0
Top Hazards
Earthquake
28.9
Relatively High
Drought
26.8
Relatively High
Wildfire
22.4
Relatively Moderate
Inland Flooding
14.1
Relatively Moderate
Lightning
13.8
Relatively Low
Landslide
11.2
Relatively Low
Tornado
9.9
Relatively Low
Heat Wave
9.8
Relatively Low
Tsunami
6.2
Very Low
Hail
5.4
Very Low
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