Arkansas earthquake risk
Pulaski County has the highest earthquake risk in Arkansas, scoring 98.2 out of 100 — rated "Relatively High" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Pulaski County | 98.2 | Relatively High |
| 2 | Mississippi County | 98 | Relatively Moderate |
| 3 | Craighead County | 97.8 | Relatively Moderate |
| 4 | Crittenden County | 96.4 | Relatively Moderate |
| 5 | White County | 96 | Relatively Moderate |
| 6 | Greene County | 95.7 | Relatively Moderate |
| 7 | Jefferson County | 95.6 | Relatively Moderate |
| 8 | Poinsett County | 95.2 | Relatively Moderate |
| 9 | Cross County | 94.7 | Relatively Moderate |
| 10 | Faulkner County | 94.4 | Relatively Moderate |
| 11 | Clay County | 93.9 | Relatively Moderate |
| 12 | Lonoke County | 92.7 | Relatively Moderate |
| 13 | Phillips County | 92.7 | Relatively Moderate |
| 14 | Lawrence County | 92.4 | Relatively Moderate |
| 15 | Randolph County | 92.4 | Relatively Moderate |
| 16 | Arkansas County | 92 | Relatively Moderate |
| 17 | Jackson County | 91.6 | Relatively Moderate |
| 18 | St. Francis County | 90.6 | Relatively Moderate |
| 19 | Lee County | 90.5 | Relatively Moderate |
| 20 | Independence County | 90 | Relatively Low |
| 21 | Garland County | 89.2 | Relatively Low |
| 22 | Saline County | 89.2 | Relatively Low |
| 23 | Monroe County | 89 | Relatively Low |
| 24 | Woodruff County | 87.9 | Relatively Low |
| 25 | Prairie County | 87 | Relatively Low |
| 26 | Conway County | 86.9 | Relatively Low |
| 27 | Benton County | 86.8 | Relatively Low |
| 28 | Cleburne County | 86.7 | Relatively Low |
| 29 | Sharp County | 86.6 | Relatively Low |
| 30 | Baxter County | 86 | Relatively Low |
| 31 | Sebastian County | 85.1 | Relatively Low |
| 32 | Pope County | 84.1 | Relatively Low |
| 33 | Washington County | 84.1 | Relatively Low |
| 34 | Desha County | 83.8 | Relatively Low |
| 35 | Drew County | 83.7 | Relatively Low |
| 36 | Ashley County | 83.3 | Relatively Low |
| 37 | Bradley County | 81.2 | Relatively Low |
| 38 | Izard County | 80.2 | Relatively Low |
| 39 | Ouachita County | 79.9 | Relatively Low |
| 40 | Lincoln County | 79.5 | Relatively Low |
| 41 | Chicot County | 77.9 | Relatively Low |
| 42 | Union County | 77.1 | Relatively Low |
| 43 | Van Buren County | 76.9 | Relatively Low |
| 44 | Hot Spring County | 76.5 | Relatively Low |
| 45 | Fulton County | 76.3 | Relatively Low |
| 46 | Hempstead County | 75.5 | Relatively Low |
| 47 | Stone County | 73.2 | Relatively Low |
| 48 | Clark County | 73.1 | Relatively Low |
| 49 | Columbia County | 71.4 | Relatively Low |
| 50 | Boone County | 71.3 | Relatively Low |
| 51 | Carroll County | 70.2 | Relatively Low |
| 52 | Johnson County | 69.1 | Relatively Low |
| 53 | Miller County | 68.6 | Relatively Low |
| 54 | Dallas County | 67.4 | Relatively Low |
| 55 | Crawford County | 66.6 | Relatively Low |
| 56 | Yell County | 66.6 | Relatively Low |
| 57 | Grant County | 66.1 | Relatively Low |
| 58 | Marion County | 65.7 | Relatively Low |
| 59 | Little River County | 64 | Relatively Low |
| 60 | Howard County | 63.3 | Relatively Low |
| 61 | Cleveland County | 62.9 | Relatively Low |
| 62 | Franklin County | 62.5 | Relatively Low |
| 63 | Sevier County | 61.7 | Relatively Low |
| 64 | Logan County | 61 | Relatively Low |
| 65 | Nevada County | 57.1 | Very Low |
| 66 | Searcy County | 56.6 | Very Low |
| 67 | Perry County | 56.5 | Very Low |
| 68 | Polk County | 55.5 | Very Low |
| 69 | Lafayette County | 53.8 | Very Low |
| 70 | Madison County | 53.3 | Very Low |
| 71 | Calhoun County | 53.1 | Very Low |
| 72 | Pike County | 52.5 | Very Low |
| 73 | Montgomery County | 46.2 | Very Low |
| 74 | Scott County | 40.3 | Very Low |
| 75 | Newton County | 38.2 | 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 Arkansas:
Frequently asked questions
What is the highest earthquake risk county in Arkansas?
Pulaski County, AR has the highest earthquake risk in Arkansas, with a FEMA National Risk Index score of 98.2 out of 100 (rated "Relatively High").
What causes earthquake risk in Arkansas?
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.