Natural Disaster Risk in Lewis County
Tennessee
Risk Summary for Lewis County
Lewis County scores 4.6/10 (Moderate risk), near the U.S. average of 4.5. The leading hazard is Earthquake.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Average risk — standard coverage usually sufficient
This area carries average natural disaster risk. A standard homeowners or renters policy should cover common events, but review the exclusions for floods and earthquakes, which are almost never included by default.
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Lewis County, Tennessee
Lewis County, in the United States in Tennessee, is characterized by its humid subtropical climate — hot summers, mild winters, and transitional weather patterns. The county faces tornado risk in both spring and fall, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.
According to FEMA's National Risk Index, Lewis County carries an overall risk score of 4.6/10, placing it in the moderate category. Seismic activity is the dominant hazard, with the community situated in or near an active tectonic zone capable of producing damaging ground shaking. The area also faces notable exposure to tornado and landslide.
Within Tennessee, Lewis County's risk is, slightly below the 5.8/10 state average. Nationally, it ranks near the U.S. national average of 4.5/10. FEMA's analysis of Lewis County identifies earthquake as the foremost hazard, followed by tornado and landslide. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
Lewis County's moderate risk profile means that while catastrophic events are less frequent, they do occur. Standard homeowners insurance typically covers many common hazards here, but confirming that earthquake exposure is adequately protected is a worthwhile step for property owners.
What this means for Lewis County: Earthquake preparedness
- Identify "drop, cover, and hold on" spots in each room and keep an emergency kit with water for at least 72 hours.
- Standard homeowners insurance excludes earthquake damage — a separate earthquake policy or endorsement is needed.
- Secure heavy furniture, water heaters, and shelving to wall studs to reduce injury and damage during shaking.
Cities in Lewis County
ZIP codes in Lewis County
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.