riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Kanawha County Disaster Risk

Kanawha County, West Virginia

FEMA Risk Rating

Relatively High

National Percentile

95th

of 3,144 counties

State Rank

#1

of 55 (1 = highest risk)

Flood Risk

98th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 98% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 62% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 35% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 76% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 64% of US counties

Risk Overview

About Natural Disaster Risk in Kanawha County, West Virginia

Kanawha County faces significantly elevated disaster risk

Kanawha County's composite risk score of 94.53 places it nearly twice West Virginia's state average of 49.21 and squarely in the relatively high risk category. This score reflects substantial exposure to multiple hazard types, making Kanawha one of the state's most disaster-prone counties.

Kanawha County ranks among West Virginia's highest-risk

Kanawha County stands out as the highest-risk county in this eight-county analysis group, with a composite score of 94.53 that far exceeds the state average. The county faces serious vulnerability across flood, wildfire, earthquake, and hurricane hazards.

Kanawha's risk dramatically exceeds surrounding counties

Kanawha County's 94.53 composite score towers over Harrison County's 73.60 and Logan County's 79.23, driven by exceptional flood risk (97.90) that tops most peers. Its 76.30 earthquake risk also surpasses all neighboring counties in this group, creating a compound vulnerability profile.

Flooding poses an exceptional, immediate threat

Kanawha County faces an extraordinary flood risk of 97.90, placing it in the highest-danger category for water-related disasters in the state. Wildfire exposure ranks second at 61.55, earthquake risk third at 76.30, and hurricane risk fourth at 64.41—a dangerous combination of overlapping hazards.

Flood and earthquake insurance are non-negotiable

Kanawha County's 97.90 flood risk score demands immediate action: flood insurance is absolutely essential and should be treated as a core protection, not an option. Couple this with earthquake coverage for your 76.30 seismic exposure, and add comprehensive wind/hail policies to address wildfire and hurricane threats.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Kanawha County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    98th percentile
  2. #2
    EarthquakePrepare
    76th percentile
  3. #3
    HurricanePrepare
    64th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Kanawha County

Risk Verdict

Natural hazard exposure in Kanawha County is notably high, placing it at the 95th percentile among all U.S. counties. Kanawha County's elevated composite score reflects cumulative multi-hazard exposure; households should prepare for the county's two or three primary hazard types.

Hazard Breakdown

Flood risk is Kanawha County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 76th percentile nationally. Additional tracked hazards include hurricane (64th percentile), wildfire (62th percentile), tornado (35th percentile).

Preparedness Context

With flood ranked as the primary hazard at the 98th percentile nationally, Kanawha County households should build a go-bag that includes important documents, medications, and supplies to sustain the family for at least three days if evacuation is needed. Alongside flooding, earthquake exposure at the 76th percentile means households benefit from a multi-hazard preparedness plan rather than focusing on flood alone. A waterproof container for documents (insurance policies, ID, prescriptions) and a clear household communication plan for when phone networks are congested are the two highest-value low-cost preparedness steps for Kanawha County households.

Regional Context

A composite score 45.3 points above the West Virginia state average puts Kanawha County in a higher-risk category than most counties in the state.

Is your household prepared for Kanawha County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Kanawha County, WV?
Kanawha County has a FEMA National Risk Index rating of Relatively High, placing it in the 95th 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 Kanawha County?
Kanawha County is evaluated for five major natural hazard types: flooding (98th percentile), earthquake (76th percentile), hurricane (64th percentile), wildfire (62th percentile), tornado (35th percentile). The highest-risk hazard is flooding at the 98th 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 Kanawha County risk compare to the West Virginia average?
Kanawha County's composite risk percentile is 95th, compared to the West Virginia state average of 49th percentile. The state's overall risk rating is Relatively Low. This means Kanawha County faces higher natural disaster risk than the typical county in West Virginia.
Is Kanawha County at risk for flooding?
Yes, Kanawha County's flooding risk is at the 98th percentile nationally. This places it in the top quartile for this hazard type.
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 Kanawha County higher risk than average?
Kanawha County's composite risk score of 95th percentile is above the West Virginia state average of 49th percentile. This elevated risk is driven by flooding exposure (98th percentile), along with earthquake and hurricane and wildfire risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, 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.