Henderson County Disaster Risk
Henderson County, Tennessee
FEMA Risk Rating
Relatively Low
National Percentile
63th
of 3,144 counties
State Rank
#37
of 95 (1 = highest risk)
Flood Risk
33th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Very Low
Higher than 33% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 19% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 80% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 93% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively Low
Higher than 53% of US counties
Risk Overview
About Natural Disaster Risk in Henderson County, Tennessee
Henderson County above-average earthquake risk
Henderson County scores 63.10 on the composite risk index, earning a "Relatively Low" rating and sitting above Tennessee's average of 52.45. Earthquakes dominate at 92.62, making seismic hazard the county's defining natural disaster concern, while tornadoes (80.03) pose a secondary spring threat. Flood, wildfire, and hurricane risks remain moderate to low, making Henderson earthquake-centric.
High earthquake risk, moderate overall rank
Henderson County ranks mid-tier statewide for overall disaster risk but sits in the top tier for earthquake exposure, with a 92.62 score reflecting significant seismic vulnerability. Its tornado risk of 80.03 places it in the upper-middle range of Tennessee counties, while flood and wildfire risks lag well behind. Earthquakes account for the bulk of Henderson's natural disaster exposure.
Riskier than Hancock, less than Hardin
Henderson County's 63.10 score sits safely above Hancock County's exceptional 11.93 but below Hardin County's 70.71, positioning it as regionally moderate. Its 92.62 earthquake score nearly matches Haywood County's 94.94, making both counties seismic hot spots. Unlike Hardin, Henderson's tornado risk (80.03) is high but not extreme, giving it a more earthquake-skewed profile.
Earthquakes and tornadoes merit action
Earthquakes are your dominant hazard at 92.62, with moderate tremors occurring regularly from nearby fault systems and capable of damaging structures, especially older buildings. Tornadoes rank second at 80.03, creating seasonal spring risk from March through May. Floods and wildfires remain minimal concerns; your risk mitigation should focus on seismic and tornado resilience.
Bundle earthquake and windstorm coverage
Add earthquake insurance to your homeowners policy now—Henderson's 92.62 score demands this protection given the region's active fault systems and frequent tremor activity. Include windstorm/hail riders for tornado protection, especially important during spring months. Review your combined earthquake and tornado coverage annually to maintain adequate limits as your home's value appreciates.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Henderson County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Henderson County
Risk Verdict
Henderson County ranks at the 63th percentile nationally for natural disaster risk — below the median for U.S. counties. Residents are encouraged to understand which hazards dominate locally and tailor their preparedness accordingly.
Hazard Breakdown
Earthquake risk is Henderson County's dominant natural hazard, ranked at the 93th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 80th percentile nationally. Additional tracked hazards include hurricane (53th percentile), flood (33th percentile), wildfire (19th percentile).
Preparedness Context
Henderson County ranks at the 93th percentile nationally for earthquake risk. Unlike most natural hazards, earthquakes provide no advance warning; preparedness here means structural adjustments and a practiced response, not alert monitoring. The county's tornado risk at the 80th percentile nationally is a seasonal consideration alongside the year-round earthquake threat, requiring awareness of both hazard types. For earthquake preparedness, Henderson County's county emergency management office often maintains a list of community water supply points, Red Cross shelter locations, and post-quake assistance programs — useful resources to identify before an event occurs.
Regional Context
Compared to other Tennessee counties, Henderson County runs 10.7 composite risk points higher than the state mean — reflecting above-average hazard concentration in this area.
Is your household prepared for Henderson County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Henderson County, TN?
What types of natural hazards affect Henderson County?
How does Henderson County risk compare to the Tennessee average?
Is Henderson County at risk for earthquake?
How is natural disaster risk measured?
Why is Henderson 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.