Earthquake Risk in Florida
All Florida counties ranked by FEMA National Risk Index earthquake score
Earthquake risk — ground shaking from sudden movement along geologic faults — is rated for 67 of 67 Florida counties in FEMA's National Risk Index. Duval County carries the state's highest earthquake score at 90.2, with $5M in expected annual earthquake losses.
No Florida county reaches the High band for earthquake, and expected annual losses from earthquake total roughly $21M 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 | Duval County | Medium | 0.00 / yr | $5M | |
| 2 | Orange County | Low | 0.00 / yr | $1M | |
| 3 | Escambia County | Low | 0.00 / yr | $711K | |
| 4 | Hillsborough County | Low | 0.00 / yr | $735K | |
| 5 | Volusia County | Low | 0.00 / yr | $634K | |
| 6 | Leon County | Low | 0.00 / yr | $718K | |
| 7 | Pinellas County | Low | 0.00 / yr | $560K | |
| 8 | Seminole County | Low | 0.00 / yr | $786K | |
| 9 | Alachua County | Low | 0.00 / yr | $649K | |
| 10 | Clay County | Low | 0.00 / yr | $764K | |
| 11 | Marion County | Low | 0.00 / yr | $417K | |
| 12 | Nassau County | Low | 0.00 / yr | $626K | |
| 13 | Okaloosa County | Low | 0.00 / yr | $569K | |
| 14 | Miami-Dade County | Low | 0.00 / yr | $385K | |
| 15 | Lake County | Low | 0.00 / yr | $445K | |
| 16 | Columbia County | Very Low | 0.00 / yr | $321K | |
| 17 | St. Johns County | Very Low | 0.00 / yr | $552K | |
| 18 | Bay County | Very Low | 0.00 / yr | $378K | |
| 19 | Polk County | Very Low | 0.00 / yr | $281K | |
| 20 | Jackson County | Very Low | 0.00 / yr | $215K | |
| 21 | Santa Rosa County | Very Low | 0.00 / yr | $378K | |
| 22 | Putnam County | Very Low | 0.00 / yr | $185K | |
| 23 | Osceola County | Very Low | 0.00 / yr | $243K | |
| 24 | Brevard County | Very Low | 0.00 / yr | $225K | |
| 25 | Walton County | Very Low | 0.00 / yr | $209K | |
| 26 | Sumter County | Very Low | 0.00 / yr | $141K | |
| 27 | Pasco County | Very Low | 0.00 / yr | $203K | |
| 28 | Suwannee County | Very Low | 0.00 / yr | $172K | |
| 29 | Palm Beach County | Very Low | 0.00 / yr | $173K | |
| 30 | Gadsden County | Very Low | 0.00 / yr | $124K | |
| 31 | Broward County | Very Low | 0.00 / yr | $142K | |
| 32 | St. Lucie County | Very Low | 0.00 / yr | $135K | |
| 33 | Hamilton County | Very Low | 0.00 / yr | $94K | |
| 34 | Flagler County | Very Low | 0.00 / yr | $123K | |
| 35 | Collier County | Very Low | 0.00 / yr | $106K | |
| 36 | Citrus County | Very Low | 0.00 / yr | $95K | |
| 37 | Taylor County | Very Low | 0.00 / yr | $83K | |
| 38 | Bradford County | Very Low | 0.00 / yr | $114K | |
| 39 | Baker County | Very Low | 0.00 / yr | $132K | |
| 40 | Manatee County | Very Low | 0.00 / yr | $95K | |
| 41 | Sarasota County | Very Low | 0.00 / yr | $85K | |
| 42 | Lee County | Very Low | 0.00 / yr | $80K | |
| 43 | Levy County | Very Low | 0.00 / yr | $62K | |
| 44 | Washington County | Very Low | 0.00 / yr | $88K | |
| 45 | Madison County | Very Low | 0.00 / yr | $68K | |
| 46 | Indian River County | Very Low | 0.00 / yr | $78K | |
| 47 | Holmes County | Very Low | 0.00 / yr | $80K | |
| 48 | Jefferson County | Very Low | 0.00 / yr | $50K | |
| 49 | Charlotte County | Very Low | 0.00 / yr | $56K | |
| 50 | Hernando County | Very Low | 0.00 / yr | $65K | |
| 51 | Calhoun County | Very Low | 0.00 / yr | $49K | |
| 52 | Highlands County | Very Low | 0.00 / yr | $36K | |
| 53 | Gilchrist County | Very Low | 0.00 / yr | $41K | |
| 54 | Union County | Very Low | 0.00 / yr | $52K | |
| 55 | Dixie County | Very Low | 0.00 / yr | $33K | |
| 56 | Wakulla County | Very Low | 0.00 / yr | $50K | |
| 57 | Okeechobee County | Very Low | 0.00 / yr | $23K | |
| 58 | Lafayette County | Very Low | 0.00 / yr | $32K | |
| 59 | Martin County | Very Low | 0.00 / yr | $26K | |
| 60 | Franklin County | Very Low | 0.00 / yr | $23K | |
| 61 | Gulf County | Very Low | 0.00 / yr | $23K | |
| 62 | Hendry County | Very Low | 0.00 / yr | $14K | |
| 63 | Liberty County | Very Low | 0.00 / yr | $18K | |
| 64 | DeSoto County | Very Low | 0.00 / yr | $10K | |
| 65 | Hardee County | Very Low | 0.00 / yr | $10K | |
| 66 | Glades County | Very Low | 0.00 / yr | $4K | |
| 67 | Monroe County | Very Low | 0.00 / yr | $5K |
67 Florida counties with measurable earthquake risk. See the national earthquake ranking or all Florida counties by overall risk.
Frequently Asked Questions
Which Florida county has the highest earthquake risk?
Duval County has the highest FEMA earthquake risk score in Florida at 90.2 (Medium), with $5M in expected annual losses and about 0.00 events per year.
How many Florida counties face significant earthquake risk?
67 Florida counties record measurable earthquake risk in FEMA's National Risk Index; 0 of them are rated High or Very High.