FEMA rates relative earthquake risk for Williamson County as relatively moderate and reports modeled annual probability of 0.12% per year for the area.
FEMA summary
FEMA's profile for Williamson County reports modeled annual probability of 0.12% per year for earthquake. FEMA's relative risk rating for the area is relatively moderate; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for Williamson County.
Earthquake
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
93.6/100
FEMA models earthquake annualized frequency as the probability of a qualifying occurrence in a given year across the FEMA geography shown.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across Williamson County. It is not an estimate for a home or address.
City risk summary
For Franklin, FEMA rates earthquake risk for Williamson County as relatively moderate, with a relative score of 93.6/100. The next highest relative scores are tornado at 91.7/100 and strong wind at 91.6/100.
Using FEMA data for Williamson County, Franklin is #7 among 9 covered Tennessee entries for earthquake risk. Nashville is about 18 straight-line miles from the Franklin map point; its FEMA figures cover Davidson County.
For homeowners and movers
Preparedness actions
Living in Franklin? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Franklin. All FEMA figures on this page cover Williamson County.
The FEMA figures cover Williamson County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative earthquake risk for Williamson County as relatively moderate. Its modeled annual probability is 0.12% per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 9 Tennessee cities covered by this directory, Franklin is #7 for relative earthquake risk based on FEMA's score for Williamson County. Homes within Franklin can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Williamson County, the highest relative ratings are Earthquake (Relatively Moderate), Tornado (Relatively Moderate), and Strong Wind (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Williamson County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Williamson County an overall relative risk rating of relatively low. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Check whether your home has an unbraced cripple wall, an unbolted foundation, or an unsecured water heater; use a qualified local professional for retrofit decisions. Secure tall furniture and heavy objects that could fall where people sleep or sit. Use Ready.gov Earthquakes and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Earthquake rating | Relative score |
|---|---|---|---|
| Nashville, TN | 18 mi | Relatively Moderate | 97.5 |
| Murfreesboro, TN | 25 mi | Relatively Moderate | 95.8 |
| Clarksville, TN | 53 mi | Relatively Moderate | 95.6 |
| Bowling Green, KY | 76 mi | Relatively Low | 93.2 |
| Huntsville, AL | 85 mi | Relatively Moderate | 94.9 |
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View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.