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Volcanic Activity Risk Rankings
US counties with the highest volcanic activity risk
| # | County | State | Score | Rating | Annual Loss |
|---|---|---|---|---|---|
| 1 | Hawaii | HI | 100.0 | Very High | $26.3M |
| 2 | Cowlitz | WA | 99.7 | Relatively High | $7.6M |
| 3 | Pierce | WA | 99.3 | Relatively High | $6.8M |
| 4 | Skagit | WA | 99.0 | Relatively High | $3.3M |
| 5 | Aleutians West | AK | 98.7 | Relatively High | $3.2M |
| 6 | Maui | HI | 98.4 | Relatively High | $2.4M |
| 7 | Siskiyou | CA | 98.0 | Relatively High | $1.6M |
| 8 | Aleutians East | AK | 97.7 | Relatively High | $895K |
| 9 | King | WA | 97.4 | Relatively High | $1.9M |
| 10 | Skamania | WA | 97.1 | Relatively High | $1.7M |
| 11 | Lake | CA | 96.7 | Relatively Moderate | $484K |
| 12 | Snohomish | WA | 96.4 | Relatively Moderate | $675K |
| 13 | Deschutes | OR | 96.1 | Relatively Moderate | $554K |
| 14 | Clackamas | OR | 95.8 | Relatively Moderate | $495K |
| 15 | Hood River | OR | 95.4 | Relatively Moderate | $491K |
| 16 | Lewis | WA | 95.1 | Relatively Moderate | $287K |
| 17 | Shasta | CA | 94.8 | Relatively Moderate | $245K |
| 18 | Lane | OR | 94.5 | Relatively Moderate | $197K |
| 19 | Thurston | WA | 94.1 | Relatively Moderate | $195K |
| 20 | Sitka | AK | 93.8 | Relatively Moderate | $141K |
| 21 | Multnomah | OR | 93.5 | Relatively Moderate | $159K |
| 22 | Whatcom | WA | 93.2 | Relatively Moderate | $128K |
| 23 | Marion | OR | 92.8 | Relatively Moderate | $84K |
| 24 | Tehama | CA | 92.5 | Relatively Low | $58K |
| 25 | Klickitat | WA | 92.2 | Relatively Low | $31K |
| 26 | Linn | OR | 91.9 | Relatively Low | $34K |
| 27 | Klamath | OR | 91.5 | Relatively Low | $26K |
| 28 | Wasco | OR | 91.2 | Relatively Low | $28K |
| 29 | Prince of Wales-Hyder | AK | 90.9 | Relatively Low | $11K |
| 30 | Chelan | WA | 90.6 | Relatively Low | $15K |
| 31 | Lake and Peninsula | AK | 90.2 | Relatively Low | $9K |
| 32 | Kenai Peninsula | AK | 89.9 | Relatively Low | $13K |
| 33 | Nome | AK | 89.6 | Relatively Low | $7K |
| 34 | Washington | OR | 89.3 | Relatively Low | $16K |
| 35 | Plumas | CA | 88.9 | Relatively Low | $8K |
| 36 | Clark | WA | 88.6 | Relatively Low | $15K |
| 37 | Mono | CA | 88.3 | Relatively Low | $12K |
| 38 | Yakima | WA | 87.9 | Relatively Low | $8K |
| 39 | Jefferson | OR | 87.6 | Relatively Low | $7K |
| 40 | Anchorage | AK | 87.3 | Relatively Low | $7K |
| 41 | Lassen | CA | 87.0 | Relatively Low | $3K |
| 42 | Churchill | NV | 86.6 | Relatively Low | $4K |
| 43 | Petersburg | AK | 86.3 | Relatively Low | $3K |
| 44 | Imperial | CA | 86.0 | Relatively Low | $2K |
| 45 | Coconino | AZ | 85.7 | Relatively Low | $3K |
| 46 | Douglas | OR | 85.3 | Relatively Low | $2K |
| 47 | Sonoma | CA | 85.0 | Relatively Low | $3K |
| 48 | Island | WA | 84.7 | Relatively Low | $3K |
| 49 | Yamhill | OR | 84.4 | Relatively Low | $3K |
| 50 | Polk | OR | 84.0 | Very Low | $2K |