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

Graves County Disaster Risk

Graves County, Kentucky

FEMA Risk Rating

Relatively Moderate

National Percentile

84th

of 3,144 counties

State Rank

#8

of 120 (1 = highest risk)

Flood Risk

57th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 57% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 27% 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 49% of US counties

Risk Overview

About Natural Disaster Risk in Graves County, Kentucky

Graves County faces moderate disaster risk

Graves County scores 83.97 on the composite risk scale with a Relatively Moderate rating, nearly doubling Kentucky's state average of 44.21. This makes it one of the state's higher-risk counties for natural disasters.

Among Kentucky's riskier counties

Graves County ranks in the upper portion of Kentucky's disaster risk distribution, with its 83.97 score significantly above the state mean. Only a handful of Kentucky counties face comparable overall natural disaster exposure.

Riskier than surrounding counties

Graves County's 83.97 score substantially exceeds nearby Grayson County (45.26) and Green County (14.03). Its earthquake risk of 96.91 is particularly elevated compared to all regional peers.

Earthquakes and tornadoes dominate risk

Graves County faces exceptional earthquake risk at 96.91—among Kentucky's highest—paired with tornado risk at 70.61. Flooding also poses a notable threat at 56.81, affecting property and infrastructure across the county.

Comprehensive coverage is essential here

Graves County residents should prioritize homeowners insurance with earthquake and tornado riders, given the county's elevated scores in both hazards. Consider separate flood insurance as well, since standard policies exclude water damage.

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

Preparedness Guide

What to Prepare for in Graves County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    97th percentile
  2. #2
    TornadoPrepare
    71th percentile
  3. #3
    FloodPrepare
    57th percentile

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

Risk Advisory: Graves County

Risk Verdict

Natural hazard risk in Graves County is higher than the majority of U.S. counties, with a national composite rank of 84th. Graves 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

Earthquake risk is Graves County's dominant natural hazard, ranked at the 97th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 71th percentile nationally. Additional tracked hazards include flood (57th percentile), hurricane (49th percentile), wildfire (27th percentile).

Preparedness Context

At the 97th percentile nationally for earthquake risk, Graves County is in a zone where a post-earthquake communications plan matters almost as much as pre-earthquake structural preparation — phone networks are typically congested for hours after a significant event. Tornado at the 71th percentile nationally is a separate hazard dimension for Graves County that requires different protective strategies from earthquake preparedness. For Graves County households, the three highest-impact earthquake preparedness actions are: (1) anchor heavy furniture and water heaters, (2) store three days of water at one gallon per person per day, and (3) identify a family reunification plan for the post-quake communication blackout period.

Regional Context

A composite score 39.8 points above the Kentucky state average puts Graves County in a higher-risk category than most counties in the state.

Is your household prepared for Graves 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 Graves County, KY?
Graves County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 84th 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 Graves County?
Graves County is evaluated for five major natural hazard types: earthquake (97th percentile), tornado (71th percentile), flooding (57th percentile), hurricane (49th percentile), wildfire (27th 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 Graves County risk compare to the Kentucky average?
Graves County's composite risk percentile is 84th, compared to the Kentucky state average of 44th percentile. The state's overall risk rating is Relatively Low. This means Graves County faces higher natural disaster risk than the typical county in Kentucky.
Is Graves County at risk for earthquake?
Yes, Graves County's earthquake risk is at the 97th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Graves County is at the 57th 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 Graves County higher risk than average?
Graves County's composite risk score of 84th percentile is above the Kentucky state average of 44th percentile. This elevated risk is driven by earthquake exposure (97th percentile), along with tornado and flooding 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.