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

Petersburg city Disaster Risk

Petersburg city, Virginia

FEMA Risk Rating

Very Low

National Percentile

17th

of 3,144 counties

State Rank

#88

of 133 (1 = highest risk)

Flood Risk

36th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 36% 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

Very Low

Higher than 29% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 66% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 69% of US counties

Risk Overview

About Natural Disaster Risk in Petersburg city, Virginia

Petersburg ranks in the very low risk tier

Petersburg city scores 16.95 on the composite risk scale, placing it well below the national average and in the very low risk category. The city's lower-than-typical hazard exposure provides a relatively protected environment compared to most U.S. municipalities.

Among Virginia's lowest-risk jurisdictions

At 16.95, Petersburg scores about 49% below Virginia's state average of 33.27, ranking it among the commonwealth's safest communities. The city's below-average positioning reflects its geographic advantages and distance from certain high-risk hazard zones.

Safer than Dinwiddie, comparable to Richmond area

Petersburg's score of 16.95 edges out nearby Dinwiddie County while sitting lower than most Piedmont region communities with higher flood risks. The city's position in the lower James River valley provides some flood exposure while maintaining overall low risk.

Earthquakes and tornadoes top the list

Earthquake risk (66.09) and tornado risk (28.98) represent Petersburg's most significant hazard exposures, though neither approaches state-average severity levels. Flood risk (36.20) and hurricane risk (68.92) rank third and fourth, creating a varied but manageable threat environment.

Standard homeowners coverage covers most risks

Petersburg residents should ensure homeowners policies include wind coverage for tornado and hurricane preparedness, though direct impacts remain relatively infrequent. Those in mapped flood zones should assess flood insurance needs, as Petersburg's James River location poses localized flooding threats.

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

Preparedness Guide

What to Prepare for in Petersburg city

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    69th percentile
  2. #2
    EarthquakePrepare
    66th percentile
  3. #3
    FloodPrepare
    36th percentile

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

Risk Advisory: Petersburg city

Risk Verdict

Petersburg city's natural disaster risk is among the lowest in the country, with a composite score at the 17th percentile nationally. Petersburg city's lower-than-average risk profile at the 17th percentile makes it a more manageable preparedness environment, but a reviewed household plan remains the right foundation regardless.

Hazard Breakdown

Hurricane risk is Petersburg city's dominant natural hazard, ranked at the 69th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 66th percentile nationally. Additional tracked hazards include flood (36th percentile), tornado (29th percentile), wildfire (15th percentile).

Preparedness Context

Hurricane risk is Petersburg city's top-ranked natural hazard at the 69th percentile nationally. The most time-sensitive preparedness step is knowing the county's evacuation zone for your address — zone maps are published by the county emergency management office. Petersburg city's secondary earthquake risk at the 66th percentile nationally reinforces the value of a multi-hazard household plan rather than one focused exclusively on hurricane preparation. Petersburg city's county emergency management office publishes official evacuation zone maps with zone-specific shelter locations; downloading this map and identifying your zone assignment is the single highest-value pre-season step.

Regional Context

The Virginia county average exceeds Petersburg city's score by 16.3 composite points — placing this county in the lower-risk tier relative to its in-state peers.

Is your household prepared for Petersburg city'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 Petersburg city, VA?
Petersburg city has a FEMA National Risk Index rating of Very Low, placing it in the 17th 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 Petersburg city?
Petersburg city is evaluated for five major natural hazard types: hurricane (69th percentile), earthquake (66th percentile), flooding (36th percentile), tornado (29th percentile), wildfire (15th percentile). The highest-risk hazard is hurricane 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 Petersburg city risk compare to the Virginia average?
Petersburg city's composite risk percentile is 17th, compared to the Virginia state average of 33th percentile. The state's overall risk rating is Very Low. This means Petersburg city faces lower natural disaster risk than the typical county in Virginia.
Is Petersburg city at risk for hurricane?
Yes, Petersburg city's hurricane risk is at the 69th percentile nationally. This is above the national median. For flooding specifically, Petersburg city is at the 36th 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 Petersburg city a safe place to live?
Petersburg city's composite risk score of 17th percentile is below the Virginia state average of 33th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 69th 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.