Missouri earthquake risk
St. Louis County has the highest earthquake risk in Missouri, scoring 99 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | St. Louis County | 99 | Relatively High |
| 2 | St. Louis | 98.5 | Relatively High |
| 3 | Cape Girardeau County | 96.6 | Relatively Moderate |
| 4 | Dunklin County | 96.4 | Relatively Moderate |
| 5 | Pemiscot County | 96.2 | Relatively Moderate |
| 6 | Scott County | 96.2 | Relatively Moderate |
| 7 | New Madrid County | 96.1 | Relatively Moderate |
| 8 | Stoddard County | 95.5 | Relatively Moderate |
| 9 | Butler County | 95.1 | Relatively Moderate |
| 10 | St. Charles County | 94.6 | Relatively Moderate |
| 11 | Mississippi County | 93.5 | Relatively Moderate |
| 12 | Jefferson County | 93.4 | Relatively Moderate |
| 13 | Greene County | 92.9 | Relatively Moderate |
| 14 | St. Francois County | 91.5 | Relatively Moderate |
| 15 | Howell County | 91.1 | Relatively Moderate |
| 16 | Franklin County | 89.9 | Relatively Low |
| 17 | Ripley County | 87.9 | Relatively Low |
| 18 | Perry County | 87.7 | Relatively Low |
| 19 | Boone County | 87 | Relatively Low |
| 20 | Wayne County | 85.5 | Relatively Low |
| 21 | Washington County | 82.9 | Relatively Low |
| 22 | Oregon County | 82.4 | Relatively Low |
| 23 | Cole County | 82.3 | Relatively Low |
| 24 | Carter County | 82.2 | Relatively Low |
| 25 | Jackson County | 82.2 | Relatively Low |
| 26 | Ste. Genevieve County | 81.6 | Relatively Low |
| 27 | Madison County | 81.3 | Relatively Low |
| 28 | Laclede County | 80.7 | Relatively Low |
| 29 | Texas County | 80.1 | Relatively Low |
| 30 | Phelps County | 79.5 | Relatively Low |
| 31 | Camden County | 79.2 | Relatively Low |
| 32 | Jasper County | 79 | Relatively Low |
| 33 | Crawford County | 78.9 | Relatively Low |
| 34 | Dent County | 78.2 | Relatively Low |
| 35 | Iron County | 78.1 | Relatively Low |
| 36 | Bollinger County | 78 | Relatively Low |
| 37 | Lincoln County | 77.8 | Relatively Low |
| 38 | Audrain County | 77.2 | Relatively Low |
| 39 | Shannon County | 76.6 | Relatively Low |
| 40 | Wright County | 76.1 | Relatively Low |
| 41 | Taney County | 76 | Relatively Low |
| 42 | Callaway County | 75.9 | Relatively Low |
| 43 | Warren County | 73.3 | Relatively Low |
| 44 | Reynolds County | 72.6 | Relatively Low |
| 45 | Lawrence County | 71.2 | Relatively Low |
| 46 | Christian County | 71 | Relatively Low |
| 47 | Barry County | 70.4 | Relatively Low |
| 48 | Webster County | 70.3 | Relatively Low |
| 49 | Newton County | 69.9 | Relatively Low |
| 50 | Pulaski County | 69.8 | Relatively Low |
| 51 | Pettis County | 69.3 | Relatively Low |
| 52 | Montgomery County | 69.1 | Relatively Low |
| 53 | Morgan County | 67.1 | Relatively Low |
| 54 | Miller County | 66.9 | Relatively Low |
| 55 | Stone County | 66.3 | Relatively Low |
| 56 | Ozark County | 64.7 | Relatively Low |
| 57 | Clay County | 63.7 | Relatively Low |
| 58 | Polk County | 63.6 | Relatively Low |
| 59 | Douglas County | 63.4 | Relatively Low |
| 60 | Gasconade County | 62.7 | Relatively Low |
| 61 | Pike County | 62.7 | Relatively Low |
| 62 | Randolph County | 60.3 | Relatively Low |
| 63 | Saline County | 60.1 | Relatively Low |
| 64 | Benton County | 59.4 | Very Low |
| 65 | Dallas County | 59.1 | Very Low |
| 66 | Henry County | 58.9 | Very Low |
| 67 | Moniteau County | 56.6 | Very Low |
| 68 | Osage County | 55.9 | Very Low |
| 69 | Macon County | 54.5 | Very Low |
| 70 | Cass County | 54.4 | Very Low |
| 71 | Vernon County | 52.4 | Very Low |
| 72 | Barton County | 51.9 | Very Low |
| 73 | Maries County | 51.5 | Very Low |
| 74 | Marion County | 50.9 | Very Low |
| 75 | Johnson County | 49.6 | Very Low |
| 76 | Cooper County | 47.8 | Very Low |
| 77 | Lafayette County | 46.2 | Very Low |
| 78 | Monroe County | 46 | Very Low |
| 79 | Buchanan County | 45 | Very Low |
| 80 | Bates County | 44.5 | Very Low |
| 81 | Cedar County | 43.7 | Very Low |
| 82 | Hickory County | 42.9 | Very Low |
| 83 | Platte County | 42.1 | Very Low |
| 84 | Chariton County | 42 | Very Low |
| 85 | St. Clair County | 41.7 | Very Low |
| 86 | Dade County | 41.6 | Very Low |
| 87 | Linn County | 40.9 | Very Low |
| 88 | Howard County | 40.7 | Very Low |
| 89 | Shelby County | 39.5 | Very Low |
| 90 | Adair County | 39.2 | Very Low |
| 91 | McDonald County | 38.7 | Very Low |
| 92 | Lewis County | 38.5 | Very Low |
| 93 | Ralls County | 37.3 | Very Low |
| 94 | Carroll County | 36.5 | Very Low |
| 95 | Ray County | 35.3 | Very Low |
| 96 | Clinton County | 34.6 | Very Low |
| 97 | Clark County | 32.8 | Very Low |
| 98 | Livingston County | 31.8 | Very Low |
| 99 | Grundy County | 30.7 | Very Low |
| 100 | Knox County | 30.5 | Very Low |
| 101 | Scotland County | 30.3 | Very Low |
| 102 | Harrison County | 25.7 | Very Low |
| 103 | Caldwell County | 25.2 | Very Low |
| 104 | DeKalb County | 23.5 | Very Low |
| 105 | Daviess County | 23 | Very Low |
| 106 | Sullivan County | 21.8 | Very Low |
| 107 | Schuyler County | 21.1 | Very Low |
| 108 | Nodaway County | 19.4 | Very Low |
| 109 | Putnam County | 19.2 | Very Low |
| 110 | Gentry County | 17.3 | Very Low |
| 111 | Mercer County | 17.2 | Very Low |
| 112 | Holt County | 16.7 | Very Low |
| 113 | Andrew County | 15.6 | Very Low |
| 114 | Atchison County | 14.2 | Very Low |
| 115 | Worth County | 5.6 | 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 Missouri:
Frequently asked questions
What is the highest earthquake risk county in Missouri?
St. Louis County, MO has the highest earthquake risk in Missouri, with a FEMA National Risk Index score of 99 out of 100 (rated "Relatively High").
What causes earthquake risk in Missouri?
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.