Mississippi earthquake risk
DeSoto County has the highest earthquake risk in Mississippi, scoring 96.2 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | DeSoto County | 96.2 | Relatively Moderate |
| 2 | Lee County | 93.4 | Relatively Moderate |
| 3 | Marshall County | 93 | Relatively Moderate |
| 4 | Bolivar County | 92.2 | Relatively Moderate |
| 5 | Hinds County | 90.9 | Relatively Moderate |
| 6 | Panola County | 90.9 | Relatively Moderate |
| 7 | Washington County | 90.8 | Relatively Moderate |
| 8 | Coahoma County | 90.7 | Relatively Moderate |
| 9 | Alcorn County | 89.8 | Relatively Low |
| 10 | Tunica County | 89 | Relatively Low |
| 11 | Lowndes County | 88.6 | Relatively Low |
| 12 | Lafayette County | 88.5 | Relatively Low |
| 13 | Leflore County | 88 | Relatively Low |
| 14 | Prentiss County | 87.6 | Relatively Low |
| 15 | Tate County | 86.9 | Relatively Low |
| 16 | Monroe County | 86.7 | Relatively Low |
| 17 | Tippah County | 86.6 | Relatively Low |
| 18 | Pontotoc County | 85.3 | Relatively Low |
| 19 | Oktibbeha County | 85.1 | Relatively Low |
| 20 | Union County | 85.1 | Relatively Low |
| 21 | Sunflower County | 85 | Relatively Low |
| 22 | Grenada County | 82.5 | Relatively Low |
| 23 | Lauderdale County | 81.7 | Relatively Low |
| 24 | Chickasaw County | 81.5 | Relatively Low |
| 25 | Rankin County | 81.4 | Relatively Low |
| 26 | Tishomingo County | 81.3 | Relatively Low |
| 27 | Tallahatchie County | 80.3 | Relatively Low |
| 28 | Clay County | 79.5 | Relatively Low |
| 29 | Benton County | 78.4 | Relatively Low |
| 30 | Jones County | 77.7 | Relatively Low |
| 31 | Itawamba County | 77 | Relatively Low |
| 32 | Calhoun County | 76.8 | Relatively Low |
| 33 | Quitman County | 75.8 | Relatively Low |
| 34 | Madison County | 74.5 | Relatively Low |
| 35 | Warren County | 74.3 | Relatively Low |
| 36 | Neshoba County | 74 | Relatively Low |
| 37 | Yalobusha County | 71.7 | Relatively Low |
| 38 | Harrison County | 70.5 | Relatively Low |
| 39 | Attala County | 70 | Relatively Low |
| 40 | Holmes County | 69.7 | Relatively Low |
| 41 | Forrest County | 68.5 | Relatively Low |
| 42 | Winston County | 68.5 | Relatively Low |
| 43 | Noxubee County | 68.2 | Relatively Low |
| 44 | Scott County | 67.5 | Relatively Low |
| 45 | Humphreys County | 63.9 | Relatively Low |
| 46 | Webster County | 63.4 | Relatively Low |
| 47 | Leake County | 63.2 | Relatively Low |
| 48 | Yazoo County | 62.8 | Relatively Low |
| 49 | Carroll County | 61.7 | Relatively Low |
| 50 | Lincoln County | 58.6 | Very Low |
| 51 | Jackson County | 57.9 | Very Low |
| 52 | Newton County | 57.6 | Very Low |
| 53 | Montgomery County | 57.4 | Very Low |
| 54 | Copiah County | 56.7 | Very Low |
| 55 | Lamar County | 54.3 | Very Low |
| 56 | Wayne County | 53.9 | Very Low |
| 57 | Pike County | 52.5 | Very Low |
| 58 | Jasper County | 52.2 | Very Low |
| 59 | Choctaw County | 50.1 | Very Low |
| 60 | Marion County | 49.9 | Very Low |
| 61 | Kemper County | 49.2 | Very Low |
| 62 | Smith County | 49 | Very Low |
| 63 | Clarke County | 48.4 | Very Low |
| 64 | Adams County | 47.2 | Very Low |
| 65 | Pearl River County | 46.4 | Very Low |
| 66 | Covington County | 45 | Very Low |
| 67 | Sharkey County | 45 | Very Low |
| 68 | Hancock County | 44.7 | Very Low |
| 69 | Simpson County | 44 | Very Low |
| 70 | Lawrence County | 41.3 | Very Low |
| 71 | Claiborne County | 39 | Very Low |
| 72 | Jefferson Davis County | 38.2 | Very Low |
| 73 | Issaquena County | 37.2 | Very Low |
| 74 | Stone County | 34.6 | Very Low |
| 75 | Walthall County | 34.4 | Very Low |
| 76 | Amite County | 34 | Very Low |
| 77 | Perry County | 33.2 | Very Low |
| 78 | Greene County | 31 | Very Low |
| 79 | Jefferson County | 29 | Very Low |
| 80 | George County | 28.6 | Very Low |
| 81 | Wilkinson County | 28.3 | Very Low |
| 82 | Franklin County | 27.4 | 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 Mississippi:
Frequently asked questions
What is the highest earthquake risk county in Mississippi?
DeSoto County, MS has the highest earthquake risk in Mississippi, with a FEMA National Risk Index score of 96.2 out of 100 (rated "Relatively Moderate").
What causes earthquake risk in Mississippi?
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.