Florida earthquake risk
Duval County has the highest earthquake risk in Florida, scoring 90.2 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
|---|---|---|---|
| 1 | Duval County | 90.2 | Relatively Moderate |
| 2 | Orange County | 75.4 | Relatively Low |
| 3 | Escambia County | 68.6 | Relatively Low |
| 4 | Hillsborough County | 68.5 | Relatively Low |
| 5 | Volusia County | 68.4 | Relatively Low |
| 6 | Leon County | 67.4 | Relatively Low |
| 7 | Pinellas County | 66.9 | Relatively Low |
| 8 | Seminole County | 65.9 | Relatively Low |
| 9 | Alachua County | 65.6 | Relatively Low |
| 10 | Clay County | 64.6 | Relatively Low |
| 11 | Marion County | 63.1 | Relatively Low |
| 12 | Nassau County | 62.8 | Relatively Low |
| 13 | Okaloosa County | 62.3 | Relatively Low |
| 14 | Miami-Dade County | 62.1 | Relatively Low |
| 15 | Lake County | 61.1 | Relatively Low |
| 16 | Columbia County | 58.3 | Very Low |
| 17 | St. Johns County | 56.6 | Very Low |
| 18 | Bay County | 54.9 | Very Low |
| 19 | Polk County | 52.4 | Very Low |
| 20 | Jackson County | 51.4 | Very Low |
| 21 | Santa Rosa County | 51 | Very Low |
| 22 | Putnam County | 49.1 | Very Low |
| 23 | Osceola County | 46.5 | Very Low |
| 24 | Brevard County | 46.4 | Very Low |
| 25 | Walton County | 46.4 | Very Low |
| 26 | Sumter County | 45.4 | Very Low |
| 27 | Pasco County | 45.2 | Very Low |
| 28 | Suwannee County | 45.2 | Very Low |
| 29 | Palm Beach County | 44.9 | Very Low |
| 30 | Gadsden County | 44.3 | Very Low |
| 31 | Broward County | 40.9 | Very Low |
| 32 | St. Lucie County | 39.5 | Very Low |
| 33 | Hamilton County | 39.4 | Very Low |
| 34 | Flagler County | 39.2 | Very Low |
| 35 | Citrus County | 38.6 | Very Low |
| 36 | Collier County | 38.6 | Very Low |
| 37 | Taylor County | 37.1 | Very Low |
| 38 | Bradford County | 36.6 | Very Low |
| 39 | Baker County | 36 | Very Low |
| 40 | Manatee County | 34.8 | Very Low |
| 41 | Sarasota County | 34.7 | Very Low |
| 42 | Lee County | 33.9 | Very Low |
| 43 | Levy County | 33.8 | Very Low |
| 44 | Washington County | 33.5 | Very Low |
| 45 | Madison County | 32.5 | Very Low |
| 46 | Indian River County | 32.3 | Very Low |
| 47 | Holmes County | 31.6 | Very Low |
| 48 | Jefferson County | 30.8 | Very Low |
| 49 | Charlotte County | 30.3 | Very Low |
| 50 | Hernando County | 30.2 | Very Low |
| 51 | Calhoun County | 28.8 | Very Low |
| 52 | Highlands County | 28 | Very Low |
| 53 | Gilchrist County | 27.2 | Very Low |
| 54 | Union County | 26.7 | Very Low |
| 55 | Dixie County | 23.8 | Very Low |
| 56 | Wakulla County | 23.7 | Very Low |
| 57 | Okeechobee County | 22.9 | Very Low |
| 58 | Lafayette County | 22.5 | Very Low |
| 59 | Martin County | 21.4 | Very Low |
| 60 | Franklin County | 20.6 | Very Low |
| 61 | Gulf County | 19.4 | Very Low |
| 62 | Hendry County | 18.7 | Very Low |
| 63 | Liberty County | 16.7 | Very Low |
| 64 | DeSoto County | 15.7 | Very Low |
| 65 | Hardee County | 11.2 | Very Low |
| 66 | Glades County | 6.8 | Very Low |
| 67 | Monroe County | 6.4 | 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 Florida:
Frequently asked questions
What is the highest earthquake risk county in Florida?
Duval County, FL has the highest earthquake risk in Florida, with a FEMA National Risk Index score of 90.2 out of 100 (rated "Relatively Moderate").
What causes earthquake risk in Florida?
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.