Tennessee earthquake risk
Shelby County has the highest earthquake risk in Tennessee, scoring 99.5 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Shelby County | 99.5 | Relatively High |
| 2 | Davidson County | 98.2 | Relatively High |
| 3 | Madison County | 98.2 | Relatively High |
| 4 | Dyer County | 97.6 | Relatively Moderate |
| 5 | Gibson County | 97.1 | Relatively Moderate |
| 6 | Knox County | 96.8 | Relatively Moderate |
| 7 | Obion County | 96.6 | Relatively Moderate |
| 8 | Tipton County | 95.8 | Relatively Moderate |
| 9 | Hamilton County | 95.7 | Relatively Moderate |
| 10 | Weakley County | 95.7 | Relatively Moderate |
| 11 | Lauderdale County | 95.5 | Relatively Moderate |
| 12 | Fayette County | 95.3 | Relatively Moderate |
| 13 | Montgomery County | 95.3 | Relatively Moderate |
| 14 | Haywood County | 94.9 | Relatively Moderate |
| 15 | Henry County | 94.9 | Relatively Moderate |
| 16 | Rutherford County | 94.8 | Relatively Moderate |
| 17 | Carroll County | 94.4 | Relatively Moderate |
| 18 | Crockett County | 93.7 | Relatively Moderate |
| 19 | Hardeman County | 93.4 | Relatively Moderate |
| 20 | Blount County | 93.1 | Relatively Moderate |
| 21 | Lake County | 93.1 | Relatively Moderate |
| 22 | Henderson County | 92.6 | Relatively Moderate |
| 23 | Bradley County | 91.9 | Relatively Moderate |
| 24 | Sumner County | 91.7 | Relatively Moderate |
| 25 | Hardin County | 90.3 | Relatively Moderate |
| 26 | McNairy County | 90.3 | Relatively Moderate |
| 27 | Chester County | 90.1 | Relatively Low |
| 28 | Sevier County | 90 | Relatively Low |
| 29 | Maury County | 89.8 | Relatively Low |
| 30 | Loudon County | 89.7 | Relatively Low |
| 31 | Williamson County | 89.4 | Relatively Low |
| 32 | Lawrence County | 89.2 | Relatively Low |
| 33 | Dickson County | 89.1 | Relatively Low |
| 34 | Monroe County | 89.1 | Relatively Low |
| 35 | McMinn County | 88.9 | Relatively Low |
| 36 | Wilson County | 88.8 | Relatively Low |
| 37 | Robertson County | 88.7 | Relatively Low |
| 38 | Benton County | 88.4 | Relatively Low |
| 39 | Anderson County | 87.8 | Relatively Low |
| 40 | Coffee County | 87.4 | Relatively Low |
| 41 | Sullivan County | 87.2 | Relatively Low |
| 42 | Roane County | 86.3 | Relatively Low |
| 43 | Hamblen County | 85.9 | Relatively Low |
| 44 | Putnam County | 85.7 | Relatively Low |
| 45 | Cumberland County | 85.4 | Relatively Low |
| 46 | Humphreys County | 84.8 | Relatively Low |
| 47 | Greene County | 84.2 | Relatively Low |
| 48 | Washington County | 84 | Relatively Low |
| 49 | Decatur County | 83.4 | Relatively Low |
| 50 | Warren County | 83.1 | Relatively Low |
| 51 | Bedford County | 83 | Relatively Low |
| 52 | Jefferson County | 82.6 | Relatively Low |
| 53 | Stewart County | 82.6 | Relatively Low |
| 54 | Hickman County | 82.2 | Relatively Low |
| 55 | Franklin County | 80.8 | Relatively Low |
| 56 | Lincoln County | 80.4 | Relatively Low |
| 57 | Cheatham County | 79.8 | Relatively Low |
| 58 | Wayne County | 77.5 | Relatively Low |
| 59 | Campbell County | 77.1 | Relatively Low |
| 60 | Cocke County | 76.9 | Relatively Low |
| 61 | Giles County | 76.6 | Relatively Low |
| 62 | Rhea County | 75.9 | Relatively Low |
| 63 | Marshall County | 75.8 | Relatively Low |
| 64 | Hawkins County | 74.2 | Relatively Low |
| 65 | Macon County | 72.8 | Relatively Low |
| 66 | Claiborne County | 72.6 | Relatively Low |
| 67 | Perry County | 72.5 | Relatively Low |
| 68 | Houston County | 72.3 | Relatively Low |
| 69 | Lewis County | 71.4 | Relatively Low |
| 70 | Polk County | 70.8 | Relatively Low |
| 71 | Carter County | 70.6 | Relatively Low |
| 72 | Marion County | 70.1 | Relatively Low |
| 73 | DeKalb County | 69 | Relatively Low |
| 74 | White County | 68.8 | Relatively Low |
| 75 | Grainger County | 67.6 | Relatively Low |
| 76 | Meigs County | 65.6 | Relatively Low |
| 77 | Grundy County | 64.2 | Relatively Low |
| 78 | Bledsoe County | 60.2 | Relatively Low |
| 79 | Fentress County | 60.2 | Relatively Low |
| 80 | Union County | 60 | Relatively Low |
| 81 | Morgan County | 58.3 | Very Low |
| 82 | Scott County | 57.3 | Very Low |
| 83 | Overton County | 53.8 | Very Low |
| 84 | Cannon County | 53.1 | Very Low |
| 85 | Sequatchie County | 52.3 | Very Low |
| 86 | Smith County | 50.6 | Very Low |
| 87 | Moore County | 47.5 | Very Low |
| 88 | Johnson County | 46.9 | Very Low |
| 89 | Jackson County | 46.8 | Very Low |
| 90 | Clay County | 44.2 | Very Low |
| 91 | Hancock County | 44 | Very Low |
| 92 | Unicoi County | 43.8 | Very Low |
| 93 | Trousdale County | 38 | Very Low |
| 94 | Pickett County | 34.1 | Very Low |
| 95 | Van Buren County | 33 | Very Low |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Earthquake risk nationally:
Other hazard risks in Tennessee:
Frequently asked questions
What is the highest earthquake risk county in Tennessee?
Shelby County, TN has the highest earthquake risk in Tennessee, with a FEMA National Risk Index score of 99.5 out of 100 (rated "Relatively High").
What causes earthquake risk in Tennessee?
Earthquake risk reflects expected annual losses from ground shaking. High scores concentrate in California, the Pacific Northwest, Alaska, and the New Madrid Seismic Zone (spanning Missouri, Arkansas, Tennessee, and neighboring states). NOAA's Storm Events Database does not track earthquakes, so recorded event counts are not shown.