Alabama earthquake risk
Jefferson County has the highest earthquake risk in Alabama, scoring 96.1 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Jefferson County | 96.1 | Relatively Moderate |
| 2 | Madison County | 94.8 | Relatively Moderate |
| 3 | Tuscaloosa County | 92.6 | Relatively Moderate |
| 4 | Lauderdale County | 92.5 | Relatively Moderate |
| 5 | Montgomery County | 92.5 | Relatively Moderate |
| 6 | Morgan County | 92.3 | Relatively Moderate |
| 7 | Colbert County | 92 | Relatively Moderate |
| 8 | Limestone County | 89.9 | Relatively Low |
| 9 | Etowah County | 88.3 | Relatively Low |
| 10 | Marshall County | 87.7 | Relatively Low |
| 11 | Cullman County | 86.6 | Relatively Low |
| 12 | DeKalb County | 85.6 | Relatively Low |
| 13 | Jackson County | 85.6 | Relatively Low |
| 14 | Mobile County | 84.8 | Relatively Low |
| 15 | Calhoun County | 84.7 | Relatively Low |
| 16 | Shelby County | 84.5 | Relatively Low |
| 17 | Walker County | 83.5 | Relatively Low |
| 18 | Lawrence County | 83.4 | Relatively Low |
| 19 | Franklin County | 83.1 | Relatively Low |
| 20 | Lee County | 81.7 | Relatively Low |
| 21 | Winston County | 81.4 | Relatively Low |
| 22 | Dallas County | 81.1 | Relatively Low |
| 23 | Marion County | 80.2 | Relatively Low |
| 24 | Pickens County | 78.5 | Relatively Low |
| 25 | Talladega County | 78.5 | Relatively Low |
| 26 | Elmore County | 75.3 | Relatively Low |
| 27 | St. Clair County | 74.9 | Relatively Low |
| 28 | Lamar County | 74.8 | Relatively Low |
| 29 | Sumter County | 74.1 | Relatively Low |
| 30 | Marengo County | 73.5 | Relatively Low |
| 31 | Cherokee County | 73.4 | Relatively Low |
| 32 | Blount County | 72.8 | Relatively Low |
| 33 | Houston County | 72.7 | Relatively Low |
| 34 | Baldwin County | 72.4 | Relatively Low |
| 35 | Choctaw County | 70.9 | Relatively Low |
| 36 | Tallapoosa County | 69 | Relatively Low |
| 37 | Autauga County | 67.8 | Relatively Low |
| 38 | Chilton County | 66 | Relatively Low |
| 39 | Hale County | 65.8 | Relatively Low |
| 40 | Fayette County | 63.9 | Relatively Low |
| 41 | Greene County | 62.6 | Relatively Low |
| 42 | Bibb County | 62.4 | Relatively Low |
| 43 | Perry County | 61.1 | Relatively Low |
| 44 | Macon County | 59.8 | Relatively Low |
| 45 | Coffee County | 58.7 | Very Low |
| 46 | Chambers County | 57.5 | Very Low |
| 47 | Pike County | 57 | Very Low |
| 48 | Escambia County | 56.8 | Very Low |
| 49 | Covington County | 54.2 | Very Low |
| 50 | Barbour County | 53.7 | Very Low |
| 51 | Russell County | 53.7 | Very Low |
| 52 | Butler County | 52.7 | Very Low |
| 53 | Clarke County | 52.6 | Very Low |
| 54 | Monroe County | 51.4 | Very Low |
| 55 | Wilcox County | 50.8 | Very Low |
| 56 | Clay County | 49.9 | Very Low |
| 57 | Lowndes County | 49.5 | Very Low |
| 58 | Dale County | 49.1 | Very Low |
| 59 | Cleburne County | 47.2 | Very Low |
| 60 | Randolph County | 46.6 | Very Low |
| 61 | Washington County | 46 | Very Low |
| 62 | Geneva County | 45.9 | Very Low |
| 63 | Bullock County | 45.5 | Very Low |
| 64 | Conecuh County | 42.7 | Very Low |
| 65 | Henry County | 39.2 | Very Low |
| 66 | Coosa County | 37.6 | Very Low |
| 67 | Crenshaw County | 36.3 | 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 Alabama:
Frequently asked questions
What is the highest earthquake risk county in Alabama?
Jefferson County, AL has the highest earthquake risk in Alabama, with a FEMA National Risk Index score of 96.1 out of 100 (rated "Relatively Moderate").
What causes earthquake risk in Alabama?
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.