riskbycounty
FEMA National Risk Index

Logan County Disaster Risk

Logan County, Ohio

FEMA Risk Rating

Relatively Low

National Percentile

53th

of 3,144 counties

State Rank

#48

of 88 (1 = highest risk)

Flood Risk

68th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 68% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 7% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 61% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 69% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 37% of US counties

Risk Advisory: Logan County

Risk Verdict

Logan County shows a relatively low overall disaster risk profile, scoring in the 53th percentile nationally. The county faces moderate hazard exposure relative to other U.S. counties. Standard emergency preparedness is recommended, with attention to the specific hazards that dominate locally.

Hazard Breakdown

Earthquake risk is the dominant hazard for Logan County, scoring in the 69th percentile nationally. It is followed by flood risk at the 68th percentile. Additional hazards include tornado (61th), hurricane (37th), wildfire (7th).

Preparedness Context

With earthquake risk as the top concern, Logan County residents should secure heavy furniture and appliances, know how to shut off utilities, and keep emergency supplies accessible. Secondary risks such as flood 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

Logan County has a disaster risk profile close to the average county in Ohio. Its composite risk score is within 1.8 points of the state average, meaning its overall hazard exposure is broadly representative of Ohio as a whole.

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Frequently Asked Questions

What is the natural disaster risk in Logan County, OH?
Logan County has a FEMA National Risk Index rating of Relatively Low, placing it in the 53th 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 Logan County?
Logan County is evaluated for five major natural hazard types: earthquake (69th percentile), flooding (68th percentile), tornado (61th percentile), hurricane (37th percentile), wildfire (7th percentile). The highest-risk hazard is earthquake at the 69th 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 Logan County risk compare to the Ohio average?
Logan County's composite risk percentile is 53th, compared to the Ohio state average of 55th percentile. The state's overall risk rating is Relatively Low. This means Logan County faces lower natural disaster risk than the typical county in Ohio.
Is Logan County at risk for earthquake?
Yes, Logan County's earthquake risk is at the 69th percentile nationally. This is above the national median. For flooding specifically, Logan County is at the 68th 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.
Is Logan County a safe place to live?
Logan County's composite risk score of 53th percentile is below the Ohio state average of 55th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is earthquake at the 69th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Meigs County

Ohio

-0.3

Relatively Low

53th percentile

Darke County

Ohio

-0.5

Relatively Low

53th percentile

Hancock County

Ohio

+0.9

Relatively Low

54th 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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