Natural Disasters in Diomede, AK

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

34.1

Very Low

Expected Annual Loss

18.3

Score (0-100)

Social Vulnerability

99.9

Score (0-100)

Community Resilience

16.1

Score (0-100)

Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.

Disaster History & Federal Spending

Source: FEMA

Total Declarations

11

Public Assistance

$21.8M

Most Common Type

Severe Storm

6 declarations

DisasterTypeDatePA $IA $
Severe Storms, Flooding, and Remnants of Typhoon HalongFloodOct 2025
Severe Storm and FloodingSevere StormJan 2025
FloodingFloodAug 2023
Severe Storm, Flooding, and LandslidesSevere StormSep 2022$10.7M
Covid-19 PandemicBiologicalApr 2020$4.6M
Covid-19 BiologicalMar 2020
Severe Storms, Straight-line Winds, and FloodingSevere StormJan 2014
Severe Winter Storms and FloodingSevere StormDec 2011$3.4M
Severe Fall Storm, Tidal Surges, and FloodingSevere StormDec 2005$59K
Severe Winter Storm, Tidal Surges and FloodingSevere StormNov 2004$3.0M
Severe FreezingFreezingMay 1989

PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

25

Total Claims Paid

$1,521,097

Avg Claim Payout

$60,844

County-level NFIP data from FEMA National Flood Insurance Program.

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

9

Federal Funding

$715,277

Properties Protected

10

Avg Benefit-Cost Ratio

0.68

BCR

Top Mitigation Project Types

Project TypeProjectsFederal $
91.1: Local Multihazard Mitigation Plan6$89,259
602.1: Other Equipment Purchase and Installation1$4,533
201.4: Relocation of Public Structures - Coastal1$21,485
201.2: Relocation of Private Structures - Coastal1$600,000

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

Diomede has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are cold wave, volcanic activity, winter weather. The area has had 11 federal disaster declarations. The most common disaster type is severe storm (6 declarations). 25 flood insurance claims have been filed in the area. FEMA has obligated $21,840,741 in public assistance recovery funding. 9 hazard mitigation projects have been funded to reduce future risk.