California

Natural Disaster Risk by County

Counties
58
All ranked by NRI score
State Avg. Score
88.7
Very High risk
Total State EAL
$30.21B
Expected annual losses
Highest Risk
Los Angeles
Score 100.0 · Very High

County Rankings

#CountyRisk ScoreRisk RatingTop HazardAnn. Loss
1Los Angeles County
100.0
Very High Earthquake$7.60B
2Riverside County
99.9
Very High Wildfire$2.27B
3Alameda County
99.8
Very High Earthquake$1.88B
4Orange County
99.8
Very High Earthquake$1.93B
5San Bernardino County
99.8
Very High Landslide$2.08B
6San Diego County
99.7
Very High Wildfire$1.54B
7Santa Clara County
99.7
Very High Earthquake$1.97B
8Contra Costa County
99.5
Very High Earthquake$971M
9San Francisco County
99.5
Very High Earthquake$853M
10Ventura County
99.4
High Wildfire$762M
11Fresno County
99.3
High Drought$557M
12San Mateo County
99.2
High Earthquake$740M
13Sonoma County
99.1
High Landslide$605M
14Santa Barbara County
99.0
High Landslide$477M
15Kern County
98.9
High Wildfire$417M
16Monterey County
98.7
High Drought$402M
17San Joaquin County
98.6
High Drought$422M
18Sacramento County
98.1
High Drought$352M
19Santa Cruz County
97.8
High Drought$335M
20Solano County
97.0
High Drought$292M
21Tulare County
97.0
High Heat Wave$214M
22Merced County
96.9
High Drought$205M
23Stanislaus County
96.9
High Drought$265M
24Humboldt County
96.8
High Landslide$189M
25Imperial County
96.5
High Earthquake$148M
26Madera County
96.4
High Drought$162M
27Marin County
96.4
High Landslide$259M
28San Luis Obispo County
95.9
High Drought$214M
29Napa County
95.3
High Drought$186M
30Del Norte County
94.4
High Landslide$142M
31Mendocino County
94.3
High Landslide$117M
32Butte County
93.9
Medium Drought$127M
33Shasta County
93.4
Medium Wildfire$135M
34Placer County
93.1
Medium Wildfire$163M
35Lake County
93.0
Medium Wildfire$101M
36Kings County
92.4
Medium Drought$96M
37El Dorado County
91.4
Medium Wildfire$124M
38Yolo County
91.4
Medium Drought$116M
39Nevada County
89.9
Medium Wildfire$81M
40Siskiyou County
89.0
Medium Drought$57M
41Tehama County
88.9
Medium Drought$69M
42Calaveras County
86.6
Medium Wildfire$53M
43Mariposa County
86.4
Medium Landslide$38M
44Plumas County
86.4
Medium Wildfire$41M
45San Benito County
85.2
Medium Landslide$80M
46Tuolumne County
85.2
Medium Wildfire$51M
47Sutter County
83.7
Medium Drought$45M
48Colusa County
81.1
Medium Drought$41M
49Yuba County
80.9
Low Drought$46M
50Trinity County
79.5
Low Landslide$29M
51Inyo County
79.3
Low Heat Wave$28M
52Amador County
79.2
Low Drought$39M
53Glenn County
74.4
Low Drought$41M
54Lassen County
73.1
Low Wildfire$25M
55Mono County
46.5
Low Wildfire$17M
56Modoc County
39.7
Very Low Drought$10M
57Sierra County
31.5
Very Low Wildfire$8M
58Alpine County
10.6
Very Low Avalanche$5M

All 58 California counties, ranked by FEMA National Risk Index score.