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Alaska · FEMA + NOAA + National Risk Index

Kusilvak Census Area County, AK

2 FEMA disaster declarations (2020–2023), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Flood.

2
FEMA declarations
2
Major disasters
58
NRI risk · Relatively Low
Flood
Top hazard

FEMA's National Risk Index places Kusilvak Census Area County in the top 42% of U.S. counties for overall natural-hazard risk, and its FEMA disaster-declaration count is higher than 22% of all 2,729 counties tracked.

How does Kusilvak Census Area County compare?

FEMA disaster declarations, this county versus the Alaska county average and the national county average.

Kusilvak Census Area County
2
Alaska county avg
3.7
National county avg
3.7

How disaster-prone is Kusilvak Census Area County?

Kusilvak Census Area County, Alaska has recorded 2 FEMA disaster declarations between 2020 and 2023, of which 2 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 0.7 declarations per year across a 3-year record, or roughly 45% below the Alaska county average of 3.7 and 47% below the national county average of 3.7. Declaration counts reflect federal recognition of event severity, not pure hazard frequency — smaller incidents handled locally never appear in FEMA's ledger.

The dominant disaster type on record is Flood, with 1 of 2 declarations falling under this category. FEMA's National Risk Index assigns this county an overall risk rating of Relatively Low (composite score 57.9/100), driven by an Expected Annual Loss rating of Very Low equivalent to roughly $10.9M in annualized losses. Social vulnerability scores Very High and community resilience scores Very Low — two factors that modify raw hazard exposure into actual harm. The single highest-risk natural hazard identified for this county is Cold Wave (Relatively High).

NFIP flood insurance claims data for this county is not present in the FEMA claims extract, which typically indicates either low historical flood activity or low policy penetration. Taken together, these indicators place Kusilvak Census Area County at a low relative risk level for federally recognized disasters. Households should pair this historical lens with forward-looking hazard maps — flood zones, wildfire risk overlays, and seismic zones published by FEMA and state emergency management — before making preparedness, insurance, or relocation decisions.

Risk Assessment

How Kusilvak Census Area County's disaster history compares to state and national averages.

Risk Level

Low

vs. Alaska Avg

-45%

State avg: 3.7

vs. National Avg

-47%

National avg: 3.7

Avg Per Year

0.7

Over 3 years

FEMA NRI 8-hazard radar — Kusilvak Census Area County

Kusilvak Census Area County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 8, Flood 0, Hurricane 0, Tornado 8, Wildfire 8, Drought 0, Heat Wave 0, Winter Storm 70. Overall composite 12 of 100, classified Low. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 12 composite
Kusilvak Census Area County NRI risk profile FIPS 02158 · composite 12/100 (Low)

The radar plots Kusilvak Census Area County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance.

FEMA Records

2

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

02158

AK state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Breakdown of 2 FEMA disaster declarations in Kusilvak Census Area County by incident type.

Flood 1
Biological 1

Declaration Types

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Major Disaster — 2 100.0%

of all 2 declarations

FEMA Declarations Timeline

Disaster declarations per year for Kusilvak Census Area County.

Year Declarations
2023 1
2020 1

Disaster Declarations

All 2 FEMA disaster declarations for Kusilvak Census Area County, Alaska.

DR# Title Type Incident Date
4730 FLOODING DR Flood 2023-08-23
4533 COVID-19 PANDEMIC DR Biological 2020-04-09

Storm Events in Alaska

NOAA severe weather data for Alaska (2015–2025). Storm event data is tracked at the state level.

Storm Type Events Fatalities Injuries Property Damage
High Wind 787 0 1 $8.9M
Blizzard 579 0 0 $60.0K
Heavy Snow 474 0 0 $0
Winter Storm 409 0 0 $200.0K
Flood 199 0 0 $101.0M

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

FEMA's composite risk score combining 18 natural hazard types, social vulnerability, and community resilience for Kusilvak Census Area County.

Overall Risk

Relatively Low

Score: 57.9/100

Expected Annual Loss

Very Low

$10.9M/year

Social Vulnerability

Very High

Community Resilience

Very Low

Hazard Risk Breakdown

Risk rating for each of the 18 FEMA NRI natural hazard types in Kusilvak Census Area County.

Cold Wave Relatively High
Winter Weather Relatively Moderate
Landslide Relatively Low
Wildfire Very Low
Volcanic Activity Very Low
Earthquake Very Low
Avalanche Very Low
Ice Storm Very Low
Lightning Very Low
Tornado Very Low
Strong Wind Very Low
Hail Very Low
Coastal Flooding No Rating
Drought No Rating

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in Alaska

Other Alaska counties with similar disaster declaration counts.

Disaster Preparedness Guides

Frequently Asked Questions

How many natural disasters has Kusilvak Census Area County, Alaska had?
Kusilvak Census Area County, Alaska has received 2 FEMA disaster declarations from 2020 to 2023. Of these, 2 were major disaster declarations.
What is the most common disaster type in Kusilvak Census Area County?
The most common disaster type in Kusilvak Census Area County is Flood, with 1 declaration. Other disaster types include Biological (1).
How does Kusilvak Census Area County's disaster risk compare to the Alaska average?
Kusilvak Census Area County has 2 disaster declarations, which is 45% lower than the Alaska county average of 3.7 declarations. Compared to the national county average of 3.7, it is 47% lower.
How many major FEMA disaster declarations has Kusilvak Census Area County received?
Kusilvak Census Area County has received 2 major disaster declarations, representing 100% of all 2 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in Alaska?
The most common storm types in Alaska include High Wind (787 events), Blizzard (579 events), Heavy Snow (474 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Kusilvak Census Area County?
The most active year for disaster declarations in Kusilvak Census Area County was 2020, with 1 declaration. The county has FEMA disaster data spanning 2020 to 2023.
What is the overall disaster risk level for Kusilvak Census Area County?
Based on FEMA declaration history, Kusilvak Census Area County has a low disaster risk level with 2 total declarations. This county has relatively few disaster declarations compared to the national average.
What is the FEMA National Risk Index score for Kusilvak Census Area County?
According to the FEMA National Risk Index, Kusilvak Census Area County, Alaska has an overall risk score of 57.9 out of 100 (Relatively Low). The county's social vulnerability rating is Very High and community resilience is Very Low. The Expected Annual Loss (EAL) score is Very Low, representing $10.9M in annualized losses.
Which natural hazard poses the greatest risk to Kusilvak Census Area County?
Based on FEMA NRI data, the highest-risk natural hazard in Kusilvak Census Area County is Cold Wave (risk rating: Relatively High). Other significant hazards include Winter Weather (Relatively Moderate) and Landslide (Relatively Low). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.

Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Kusilvak Census Area County

Kusilvak Census Area County, AK has 2 FEMA disaster declarations on record — a low historical disaster load, 45% below the Alaska county average.

  • Its most common federal declaration type is major disaster (2 of 2) — know the hazards most likely here before they happen. Alaska overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

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