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

Maries County Disaster Risk

Maries County, Missouri

FEMA Risk Rating

Very Low

National Percentile

21th

of 3,144 counties

State Rank

#103

of 115 (1 = highest risk)

Flood Risk

29th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 29% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 46% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 44% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 51% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 18% of US counties

Risk Overview

About Natural Disaster Risk in Maries County, Missouri

Maries County ranks among safest areas

With a composite risk score of 20.83, Maries County is among the nation's safest counties from natural disaster exposure. This very low rating reflects minimal hazard exposure across all major disaster types.

Second-safest county in Missouri

Maries County's score of 20.83 ranks second-lowest in Missouri after Livingston County (23.03), placing it in the state's safest tier. The county sits well below Missouri's average of 50.56 across all hazard categories.

Safest in the central region

Maries County at 20.83 offers the lowest risk in central Missouri, below nearby Marion County (47.87), Macon County (36.77), and Linn County (31.23). Only Livingston County to the northeast provides comparable safety.

Earthquake and tornado exposure moderate

Earthquake risk at 51.46 and tornado risk at 43.86 are Maries County's highest hazards, both well below state averages. Flood, wildfire, and hurricane risks are all minimal, making this one of Missouri's most hazard-resilient counties.

Basic insurance with tornado awareness

Maries County residents can rely on standard homeowners insurance without purchasing specialized earthquake or flood coverage given the county's low exposure. Maintain basic tornado safety awareness and a weather alert system during severe weather season.

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

Preparedness Guide

What to Prepare for in Maries County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    51th percentile
  2. #2
    WildfirePrepare
    46th percentile
  3. #3
    TornadoPrepare
    44th percentile

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

Risk Advisory: Maries County

Risk Verdict

Maries County carries a low natural disaster risk burden, scoring at the 21th percentile under the FEMA National Risk Index. A 21th percentile score positions Maries County among the nation's lower-risk counties, a genuinely favorable outcome — one that simple, low-cost preparedness habits can reinforce further.

Hazard Breakdown

Earthquake risk is Maries County's dominant natural hazard, ranked at the 51th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 46th percentile nationally. Additional tracked hazards include tornado (44th percentile), flood (29th percentile), hurricane (18th percentile).

Preparedness Context

Maries County's primary hazard, earthquake, ranks at the 51th percentile nationally. Unreinforced masonry structures carry the highest injury risk during seismic events; residents in older buildings should check with their municipality about available seismic retrofit programs. The county's wildfire risk at the 46th percentile nationally is a seasonal consideration alongside the year-round earthquake threat, requiring awareness of both hazard types. After a major earthquake, Maries County residents should expect water service disruption for 24 to 72 or more hours. Storing a minimum of one gallon per person per day for three days — before any event — is the most direct preparedness action households can take.

Regional Context

Compared to the Missouri county average, Maries County's composite score runs 29.7 points lower — a gap that reflects the county's relatively modest hazard profile within its state context.

Is your household prepared for Maries 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 Maries County, MO?
Maries County has a FEMA National Risk Index rating of Very Low, placing it in the 21th 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 Maries County?
Maries County is evaluated for five major natural hazard types: earthquake (51th percentile), wildfire (46th percentile), tornado (44th percentile), flooding (29th percentile), hurricane (18th percentile). The highest-risk hazard is earthquake at the 51th 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 Maries County risk compare to the Missouri average?
Maries County's composite risk percentile is 21th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Maries County faces lower natural disaster risk than the typical county in Missouri.
Is Maries County at risk for earthquake?
Yes, Maries County's earthquake risk is at the 51th percentile nationally. This is above the national median. For flooding specifically, Maries County is at the 29th 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 Maries County a safe place to live?
Maries County's composite risk score of 21th percentile is below the Missouri state average of 51th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is earthquake at the 51th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.