Indiana earthquake risk
Vanderburgh County has the highest earthquake risk in Indiana, scoring 97.2 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Vanderburgh County | 97.2 | Relatively Moderate |
| 2 | Marion County | 96.4 | Relatively Moderate |
| 3 | Vigo County | 91.4 | Relatively Moderate |
| 4 | Knox County | 90.5 | Relatively Moderate |
| 5 | Warrick County | 89.5 | Relatively Low |
| 6 | Lake County | 89.1 | Relatively Low |
| 7 | Daviess County | 88.6 | Relatively Low |
| 8 | Gibson County | 88.5 | Relatively Low |
| 9 | Posey County | 88.1 | Relatively Low |
| 10 | Monroe County | 87.6 | Relatively Low |
| 11 | Dubois County | 87.5 | Relatively Low |
| 12 | Allen County | 84.9 | Relatively Low |
| 13 | Hamilton County | 84.9 | Relatively Low |
| 14 | Clark County | 84.3 | Relatively Low |
| 15 | Spencer County | 83.5 | Relatively Low |
| 16 | Bartholomew County | 83.3 | Relatively Low |
| 17 | Delaware County | 82.7 | Relatively Low |
| 18 | Hendricks County | 82.1 | Relatively Low |
| 19 | Madison County | 81.8 | Relatively Low |
| 20 | Johnson County | 81.6 | Relatively Low |
| 21 | Tippecanoe County | 80.3 | Relatively Low |
| 22 | Pike County | 79.6 | Relatively Low |
| 23 | St. Joseph County | 78.3 | Relatively Low |
| 24 | Grant County | 78.2 | Relatively Low |
| 25 | Sullivan County | 77.9 | Relatively Low |
| 26 | Floyd County | 77.7 | Relatively Low |
| 27 | Elkhart County | 77.2 | Relatively Low |
| 28 | Howard County | 77.1 | Relatively Low |
| 29 | Lawrence County | 75.7 | Relatively Low |
| 30 | Greene County | 75.3 | Relatively Low |
| 31 | Jackson County | 74.7 | Relatively Low |
| 32 | Wayne County | 74.1 | Relatively Low |
| 33 | Clay County | 73 | Relatively Low |
| 34 | Shelby County | 72.6 | Relatively Low |
| 35 | Morgan County | 72 | Relatively Low |
| 36 | Orange County | 71.5 | Relatively Low |
| 37 | Montgomery County | 70.5 | Relatively Low |
| 38 | LaPorte County | 70 | Relatively Low |
| 39 | Hancock County | 69.8 | Relatively Low |
| 40 | Porter County | 69.4 | Relatively Low |
| 41 | Putnam County | 69.3 | Relatively Low |
| 42 | Harrison County | 69.1 | Relatively Low |
| 43 | Boone County | 68 | Relatively Low |
| 44 | Washington County | 67.8 | Relatively Low |
| 45 | Kosciusko County | 67.7 | Relatively Low |
| 46 | Henry County | 67.4 | Relatively Low |
| 47 | Ripley County | 65.4 | Relatively Low |
| 48 | Vermillion County | 65.4 | Relatively Low |
| 49 | Perry County | 64.8 | Relatively Low |
| 50 | Scott County | 64.1 | Relatively Low |
| 51 | Jennings County | 63.5 | Relatively Low |
| 52 | Adams County | 62.9 | Relatively Low |
| 53 | Parke County | 62.5 | Relatively Low |
| 54 | Cass County | 62.4 | Relatively Low |
| 55 | Jefferson County | 61.5 | Relatively Low |
| 56 | Owen County | 61.2 | Relatively Low |
| 57 | LaGrange County | 60.9 | Relatively Low |
| 58 | Randolph County | 60.5 | Relatively Low |
| 59 | White County | 60.1 | Relatively Low |
| 60 | Clinton County | 59.7 | Relatively Low |
| 61 | Decatur County | 59.2 | Very Low |
| 62 | Jay County | 57 | Very Low |
| 63 | DeKalb County | 56.8 | Very Low |
| 64 | Martin County | 55 | Very Low |
| 65 | Miami County | 54.9 | Very Low |
| 66 | Fountain County | 54.7 | Very Low |
| 67 | Noble County | 54.5 | Very Low |
| 68 | Marshall County | 53.5 | Very Low |
| 69 | Crawford County | 53.4 | Very Low |
| 70 | Rush County | 53.4 | Very Low |
| 71 | Wabash County | 53.3 | Very Low |
| 72 | Dearborn County | 52.4 | Very Low |
| 73 | Jasper County | 51.7 | Very Low |
| 74 | Huntington County | 50.7 | Very Low |
| 75 | Wells County | 49.8 | Very Low |
| 76 | Fayette County | 49.2 | Very Low |
| 77 | Carroll County | 47.1 | Very Low |
| 78 | Tipton County | 45.3 | Very Low |
| 79 | Whitley County | 45.3 | Very Low |
| 80 | Newton County | 44.8 | Very Low |
| 81 | Blackford County | 44.7 | Very Low |
| 82 | Steuben County | 44.1 | Very Low |
| 83 | Fulton County | 43.7 | Very Low |
| 84 | Pulaski County | 42.9 | Very Low |
| 85 | Brown County | 42.5 | Very Low |
| 86 | Benton County | 41.5 | Very Low |
| 87 | Starke County | 41.4 | Very Low |
| 88 | Franklin County | 40 | Very Low |
| 89 | Warren County | 36.8 | Very Low |
| 90 | Switzerland County | 31.3 | Very Low |
| 91 | Union County | 26.7 | Very Low |
| 92 | Ohio County | 25.5 | 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 Indiana:
Frequently asked questions
What is the highest earthquake risk county in Indiana?
Vanderburgh County, IN has the highest earthquake risk in Indiana, with a FEMA National Risk Index score of 97.2 out of 100 (rated "Relatively Moderate").
What causes earthquake risk in Indiana?
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.