riskbycounty
FEMA National Risk Index

Obion County Disaster Risk

Obion County, Tennessee

FEMA Risk Rating

Relatively Moderate

National Percentile

81th

of 3,144 counties

State Rank

#13

of 95 (1 = highest risk)

Flood Risk

38th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 38% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 15% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 71% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively High

Higher than 97% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 48% of US counties

Risk Advisory: Obion County

Risk Verdict

Obion County has a relatively moderate overall disaster risk profile, scoring in the 81th percentile nationally. While not in the highest tier, this county faces meaningful hazard exposure. Residents are encouraged to understand their specific risks and maintain emergency supplies.

Hazard Breakdown

Earthquake risk is the dominant hazard for Obion County, scoring in the 97th percentile nationally. It is followed by tornado risk at the 71th percentile. Additional hazards include hurricane (48th), flood (38th), wildfire (15th).

Preparedness Context

With earthquake risk as the top concern, Obion County residents should secure heavy furniture and appliances, know how to shut off utilities, and keep emergency supplies accessible. Secondary risks such as tornado also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Obion County is significantly riskier than the average county in Tennessee. Its composite risk score is 28.8 points higher than the state average, meaning residents face above-average exposure to natural hazards compared to their neighbors.

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Frequently Asked Questions

What is the natural disaster risk in Obion County, TN?
Obion County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 81th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Obion County?
Obion County is evaluated for five major natural hazard types: earthquake (97th percentile), tornado (71th percentile), hurricane (48th percentile), flooding (38th percentile), wildfire (15th percentile). The highest-risk hazard is earthquake at the 97th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Obion County risk compare to the Tennessee average?
Obion County's composite risk percentile is 81th, compared to the Tennessee state average of 53th percentile. The state's overall risk rating is Relatively Low. This means Obion County faces higher natural disaster risk than the typical county in Tennessee.
Is Obion County at risk for earthquake?
Yes, Obion County's earthquake risk is at the 97th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Obion County is at the 38th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Obion County higher risk than average?
Obion County's composite risk score of 81th percentile is above the Tennessee state average of 53th percentile. This elevated risk is driven by earthquake exposure (97th percentile), along with tornado risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.

Counties with Similar Risk

Tipton County

Tennessee

-0.3

Relatively Moderate

81th percentile

Wilson County

Tennessee

-1.3

Relatively Low

80th percentile

Maury County

Tennessee

-2.0

Relatively Low

79th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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.

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