Oklahoma earthquake risk
Oklahoma County has the highest earthquake risk in Oklahoma, scoring 94 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Oklahoma County | 94 | Relatively Moderate |
| 2 | Tulsa County | 89.9 | Relatively Low |
| 3 | Cleveland County | 86.3 | Relatively Low |
| 4 | Comanche County | 83.7 | Relatively Low |
| 5 | Muskogee County | 79.4 | Relatively Low |
| 6 | Pottawatomie County | 68.4 | Relatively Low |
| 7 | Le Flore County | 67.2 | Relatively Low |
| 8 | Sequoyah County | 67 | Relatively Low |
| 9 | Grady County | 66.4 | Relatively Low |
| 10 | Carter County | 65 | Relatively Low |
| 11 | McCurtain County | 64.7 | Relatively Low |
| 12 | Bryan County | 63.9 | Relatively Low |
| 13 | Stephens County | 62.6 | Relatively Low |
| 14 | Canadian County | 61.7 | Relatively Low |
| 15 | Ottawa County | 61.2 | Relatively Low |
| 16 | Okmulgee County | 60.9 | Relatively Low |
| 17 | Delaware County | 60.5 | Relatively Low |
| 18 | Cherokee County | 60.3 | Relatively Low |
| 19 | Mayes County | 58.9 | Very Low |
| 20 | Caddo County | 58.8 | Very Low |
| 21 | Payne County | 58.3 | Very Low |
| 22 | Garfield County | 58 | Very Low |
| 23 | Pittsburg County | 58 | Very Low |
| 24 | Garvin County | 57.6 | Very Low |
| 25 | Pontotoc County | 56.8 | Very Low |
| 26 | Creek County | 56.3 | Very Low |
| 27 | McClain County | 55.1 | Very Low |
| 28 | Rogers County | 54.6 | Very Low |
| 29 | Washington County | 54.5 | Very Low |
| 30 | Custer County | 53.2 | Very Low |
| 31 | Kay County | 52.2 | Very Low |
| 32 | McIntosh County | 51.7 | Very Low |
| 33 | Seminole County | 51.6 | Very Low |
| 34 | Craig County | 50.5 | Very Low |
| 35 | Lincoln County | 50.1 | Very Low |
| 36 | Wagoner County | 49.9 | Very Low |
| 37 | Kiowa County | 47 | Very Low |
| 38 | Choctaw County | 45.8 | Very Low |
| 39 | Marshall County | 44.8 | Very Low |
| 40 | Osage County | 44.8 | Very Low |
| 41 | Adair County | 44.1 | Very Low |
| 42 | Kingfisher County | 42.7 | Very Low |
| 43 | Washita County | 42.6 | Very Low |
| 44 | Logan County | 42.4 | Very Low |
| 45 | Beckham County | 42 | Very Low |
| 46 | Jackson County | 41.9 | Very Low |
| 47 | Okfuskee County | 40.2 | Very Low |
| 48 | Blaine County | 37.9 | Very Low |
| 49 | Pushmataha County | 37.6 | Very Low |
| 50 | Murray County | 37.5 | Very Low |
| 51 | Hughes County | 36.4 | Very Low |
| 52 | Atoka County | 35.7 | Very Low |
| 53 | Haskell County | 35.2 | Very Low |
| 54 | Latimer County | 35.2 | Very Low |
| 55 | Johnston County | 34.9 | Very Low |
| 56 | Noble County | 34.9 | Very Low |
| 57 | Jefferson County | 34.2 | Very Low |
| 58 | Nowata County | 34 | Very Low |
| 59 | Woodward County | 33.3 | Very Low |
| 60 | Pawnee County | 32.4 | Very Low |
| 61 | Tillman County | 32.1 | Very Low |
| 62 | Coal County | 31.6 | Very Low |
| 63 | Cotton County | 29.8 | Very Low |
| 64 | Texas County | 29.5 | Very Low |
| 65 | Love County | 29.2 | Very Low |
| 66 | Major County | 27.5 | Very Low |
| 67 | Greer County | 26.8 | Very Low |
| 68 | Alfalfa County | 25.3 | Very Low |
| 69 | Woods County | 24 | Very Low |
| 70 | Grant County | 23.5 | Very Low |
| 71 | Dewey County | 23.3 | Very Low |
| 72 | Ellis County | 22.6 | Very Low |
| 73 | Harmon County | 20.9 | Very Low |
| 74 | Cimarron County | 19.9 | Very Low |
| 75 | Beaver County | 18.8 | Very Low |
| 76 | Roger Mills County | 18.6 | Very Low |
| 77 | Harper County | 16.5 | 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 Oklahoma:
Frequently asked questions
What is the highest earthquake risk county in Oklahoma?
Oklahoma County, OK has the highest earthquake risk in Oklahoma, with a FEMA National Risk Index score of 94 out of 100 (rated "Relatively Moderate").
What causes earthquake risk in Oklahoma?
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.