Henry County Disaster Risk
Henry County, Tennessee
FEMA Risk Rating
Relatively Moderate
National Percentile
85th
of 3,144 counties
State Rank
#12
of 95 (1 = highest risk)
Flood Risk
39th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Very Low
Higher than 39% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 24% of US counties
Tornado
Tornado and severe thunderstorm risk
Moderate
Higher than 84% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively High
Higher than 95% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively Low
Higher than 49% of US counties
Risk Overview
About Natural Disaster Risk in Henry County, Tennessee
Henry County faces multiple significant hazards
Henry County scores 84.73 on the composite risk index, placing it in the "Relatively Moderate" category and well above Tennessee's average of 52.45. Earthquakes (94.88) and tornadoes (83.91) both rank dangerously high, while flooding (38.80) and other hazards remain secondary. This combination of two top-tier threats makes Henry County one of Tennessee's higher-risk communities.
Second-highest risk in Tennessee
Henry County ranks second statewide for overall disaster risk, trailing only Hamilton County's 93.29, with its own score of 84.73 significantly above the state average. Its earthquake score of 94.88 ties for the state's highest, while its tornado risk of 83.91 ranks among Tennessee's most severe. Combined, these dual threats place Henry in the state's extreme-risk tier.
Most dangerous county in the region
Henry County's 84.73 score substantially exceeds all nearby counties, including Hardin County (70.71) to the south and Hawkins County (55.76) to the east. Its earthquake-tornado combination is unique in the region; only Hamilton County surpasses Henry's overall exposure statewide. This makes Henry an exceptional outlier for natural disaster risk among its geographic peers.
Earthquakes and tornadoes both threaten
Earthquakes pose your paramount threat at 94.88, one of Tennessee's highest scores, with moderate tremors occurring regularly from nearby fault systems and causing significant structural damage. Tornadoes follow closely at 83.91, making spring storms (March–May) particularly dangerous and capable of catastrophic wind damage. These two hazards dominate Henry's risk profile; flooding remains a minor tertiary concern.
Comprehensive multi-hazard coverage essential
Earthquake insurance is absolutely critical—Henry's 94.88 score demands full seismic protection for your structure and contents given the frequent tremor activity. Add comprehensive windstorm/hail coverage rated for tornadoes, and maintain adequate liability limits given the severity of both hazards. Meet with an insurance agent before each spring to confirm your earthquake and tornado coverage keeps pace with your home's replacement value.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Henry County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Henry County
Risk Verdict
At the 85th percentile nationally, Henry County sits in the upper half of U.S. counties for natural disaster exposure. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Henry County residents.
Hazard Breakdown
Earthquake risk is Henry County's dominant natural hazard, ranked at the 95th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 84th percentile nationally. Additional tracked hazards include hurricane (49th percentile), flood (39th percentile), wildfire (24th percentile).
Preparedness Context
With earthquake ranked as the top hazard at the 95th percentile nationally, Henry County residents benefit from reviewing homeowners insurance: standard policies rarely cover earthquake damage, and separate earthquake insurance must be purchased before an event. Alongside earthquake exposure, Henry County's tornado risk at the 84th percentile nationally reinforces the value of maintaining a household emergency supply cache usable for multiple hazard scenarios. Earthquake insurance in Henry County is typically offered as a separate policy — standard homeowners coverage excludes ground movement. Reviewing this gap and comparing policy options before an event is a financial preparedness step with potentially large consequences.
Regional Context
The Tennessee county average is 32.3 composite points below Henry County's score, a gap that reflects the county's elevated position in the state's hazard distribution.
Is your household prepared for Henry County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Henry County, TN?
What types of natural hazards affect Henry County?
How does Henry County risk compare to the Tennessee average?
Is Henry County at risk for earthquake?
How is natural disaster risk measured?
Why is Henry County higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.