Riskiest Counties for Tsunami

Ranked by FEMA National Risk Index tsunami hazard score · code TSUN

County Rankings

#CountyStateTsunami ScoreRatingAnn. Freq.Ann. Loss
1Grays Harbor CountyWA
100.0
Very High 0.13 / yr$121M
2Del Norte CountyCA
98.5
Very High 0.23 / yr$114M
3Clatsop CountyOR
96.9
Very High 0.15 / yr$100M
4Pacific CountyWA
95.4
Very High 0.13 / yr$84M
5Humboldt CountyCA
93.8
High 0.23 / yr$33M
6Honolulu CountyHI
92.3
High 0.66 / yr$48M
7Maui CountyHI
90.8
High 0.66 / yr$31M
8Curry CountyOR
89.2
High 0.15 / yr$17M
9Aleutians West Census AreaAK
87.7
Medium 0.35 / yr$20M
10Hawaii CountyHI
86.2
Medium 0.66 / yr$15M
11Coos CountyOR
84.6
Medium 0.15 / yr$11M
12Clallam CountyWA
83.1
Medium 0.13 / yr$10M
13Kenai Peninsula BoroughAK
81.5
Medium 0.30 / yr$10M
14Kodiak Island BoroughAK
80.0
Medium 0.31 / yr$11M
15Tillamook CountyOR
78.5
Medium 0.15 / yr$9M
16Lincoln CountyOR
76.9
Medium 0.15 / yr$6M
17Kauai CountyHI
75.4
Medium 0.66 / yr$9M
18Santa Cruz CountyCA
73.8
Medium 0.39 / yr$8M
19San Francisco CountyCA
72.3
Medium 0.34 / yr$6M
20San Mateo CountyCA
70.8
Medium 0.34 / yr$7M
21Marin CountyCA
69.2
Medium 0.34 / yr$6M
22King CountyWA
67.7
Low 0.06 / yr$6M
23Aleutians East BoroughAK
66.2
Low 0.35 / yr$2M
24Los Angeles CountyCA
64.6
Low 0.39 / yr$3M
25San Luis Obispo CountyCA
63.1
Low 0.38 / yr$3M

Showing the top 25 seeded counties for tsunami risk.