Earthquake Risk in Oklahoma
All Oklahoma counties ranked by FEMA National Risk Index earthquake score
Earthquake risk — ground shaking from sudden movement along geologic faults — is rated for 77 of 77 Oklahoma counties in FEMA's National Risk Index. Oklahoma County carries the state's highest earthquake score at 94.0, with $10M in expected annual earthquake losses.
No Oklahoma county reaches the High band for earthquake, and expected annual losses from earthquake total roughly $36M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Earthquake
| # | County | Earthquake Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Oklahoma County | Medium | 0.00 / yr | $10M | |
| 2 | Tulsa County | Low | 0.00 / yr | $5M | |
| 3 | Cleveland County | Low | 0.00 / yr | $3M | |
| 4 | Comanche County | Low | 0.00 / yr | $2M | |
| 5 | Muskogee County | Low | 0.00 / yr | $1M | |
| 6 | Pottawatomie County | Low | 0.00 / yr | $554K | |
| 7 | Le Flore County | Low | 0.00 / yr | $446K | |
| 8 | Sequoyah County | Low | 0.00 / yr | $396K | |
| 9 | Grady County | Low | 0.00 / yr | $636K | |
| 10 | Carter County | Low | 0.00 / yr | $500K | |
| 11 | McCurtain County | Low | 0.00 / yr | $360K | |
| 12 | Bryan County | Low | 0.00 / yr | $407K | |
| 13 | Stephens County | Low | 0.00 / yr | $472K | |
| 14 | Canadian County | Low | 0.00 / yr | $734K | |
| 15 | Ottawa County | Low | 0.00 / yr | $321K | |
| 16 | Okmulgee County | Low | 0.00 / yr | $334K | |
| 17 | Delaware County | Low | 0.00 / yr | $282K | |
| 18 | Cherokee County | Low | 0.00 / yr | $355K | |
| 19 | Mayes County | Very Low | 0.00 / yr | $297K | |
| 20 | Caddo County | Very Low | 0.00 / yr | $310K | |
| 21 | Payne County | Very Low | 0.00 / yr | $404K | |
| 22 | Garfield County | Very Low | 0.00 / yr | $377K | |
| 23 | Pittsburg County | Very Low | 0.00 / yr | $282K | |
| 24 | Garvin County | Very Low | 0.00 / yr | $361K | |
| 25 | Pontotoc County | Very Low | 0.00 / yr | $361K | |
| 26 | Creek County | Very Low | 0.00 / yr | $339K | |
| 27 | McClain County | Very Low | 0.00 / yr | $407K | |
| 28 | Rogers County | Very Low | 0.00 / yr | $357K | |
| 29 | Washington County | Very Low | 0.00 / yr | $311K | |
| 30 | Custer County | Very Low | 0.00 / yr | $272K | |
| 31 | Kay County | Very Low | 0.00 / yr | $248K | |
| 32 | McIntosh County | Very Low | 0.00 / yr | $167K | |
| 33 | Seminole County | Very Low | 0.00 / yr | $207K | |
| 34 | Craig County | Very Low | 0.00 / yr | $188K | |
| 35 | Lincoln County | Very Low | 0.00 / yr | $185K | |
| 36 | Wagoner County | Very Low | 0.00 / yr | $296K | |
| 37 | Kiowa County | Very Low | 0.00 / yr | $158K | |
| 38 | Choctaw County | Very Low | 0.00 / yr | $126K | |
| 39 | Osage County | Very Low | 0.00 / yr | $146K | |
| 40 | Marshall County | Very Low | 0.00 / yr | $125K | |
| 41 | Adair County | Very Low | 0.00 / yr | $135K | |
| 42 | Kingfisher County | Very Low | 0.00 / yr | $164K | |
| 43 | Washita County | Very Low | 0.00 / yr | $118K | |
| 44 | Logan County | Very Low | 0.00 / yr | $185K | |
| 45 | Beckham County | Very Low | 0.00 / yr | $113K | |
| 46 | Jackson County | Very Low | 0.00 / yr | $156K | |
| 47 | Okfuskee County | Very Low | 0.00 / yr | $92K | |
| 48 | Blaine County | Very Low | 0.00 / yr | $122K | |
| 49 | Pushmataha County | Very Low | 0.00 / yr | $79K | |
| 50 | Murray County | Very Low | 0.00 / yr | $99K | |
| 51 | Hughes County | Very Low | 0.00 / yr | $107K | |
| 52 | Atoka County | Very Low | 0.00 / yr | $87K | |
| 53 | Latimer County | Very Low | 0.00 / yr | $68K | |
| 54 | Haskell County | Very Low | 0.00 / yr | $108K | |
| 55 | Noble County | Very Low | 0.00 / yr | $77K | |
| 56 | Johnston County | Very Low | 0.00 / yr | $71K | |
| 57 | Jefferson County | Very Low | 0.00 / yr | $67K | |
| 58 | Nowata County | Very Low | 0.00 / yr | $67K | |
| 59 | Woodward County | Very Low | 0.00 / yr | $97K | |
| 60 | Pawnee County | Very Low | 0.00 / yr | $69K | |
| 61 | Tillman County | Very Low | 0.00 / yr | $72K | |
| 62 | Coal County | Very Low | 0.00 / yr | $51K | |
| 63 | Cotton County | Very Low | 0.00 / yr | $69K | |
| 64 | Texas County | Very Low | 0.00 / yr | $72K | |
| 65 | Love County | Very Low | 0.00 / yr | $59K | |
| 66 | Major County | Very Low | 0.00 / yr | $55K | |
| 67 | Greer County | Very Low | 0.00 / yr | $37K | |
| 68 | Alfalfa County | Very Low | 0.00 / yr | $36K | |
| 69 | Woods County | Very Low | 0.00 / yr | $51K | |
| 70 | Grant County | Very Low | 0.00 / yr | $31K | |
| 71 | Dewey County | Very Low | 0.00 / yr | $35K | |
| 72 | Ellis County | Very Low | 0.00 / yr | $24K | |
| 73 | Harmon County | Very Low | 0.00 / yr | $21K | |
| 74 | Cimarron County | Very Low | 0.00 / yr | $18K | |
| 75 | Beaver County | Very Low | 0.00 / yr | $26K | |
| 76 | Roger Mills County | Very Low | 0.00 / yr | $15K | |
| 77 | Harper County | Very Low | 0.00 / yr | $14K |
77 Oklahoma counties with measurable earthquake risk. See the national earthquake ranking or all Oklahoma counties by overall risk.
Frequently Asked Questions
Which Oklahoma county has the highest earthquake risk?
Oklahoma County has the highest FEMA earthquake risk score in Oklahoma at 94.0 (Medium), with $10M in expected annual losses and about 0.00 events per year.
How many Oklahoma counties face significant earthquake risk?
77 Oklahoma counties record measurable earthquake risk in FEMA's National Risk Index; 0 of them are rated High or Very High.