Guam, GU
FEMA National Risk Index scores, disaster declarations & hazard data
Guam has experienced 22 federally declared disasters since 1976, most recently Typhoon Sinlaku in 2026. Its overall natural hazard risk is rated Insufficient Data — compared to other US counties.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Guam has been designated in 22 declarations since 1976, covering 6 disaster types including typhoon (13), tropical storm (3), biological (2).
| Year | Type | Event name |
|---|---|---|
| 2026 | Tropical Storm | Typhoon Sinlaku |
| 2026 | Typhoon | Typhoon Bavi |
| 2026 | Typhoon | Super Typhoon Sinlaku |
| 2024 | Tropical Storm | Tropical Storm Bolaven |
| 2023 | Hurricane | Typhoon Mawar |
| 2023 | Tropical Storm | Typhoon Mawar |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2019 | Typhoon | Typhoon Wutip |
| 2019 | Typhoon | Typhoon Mangkhut |
Showing the 10 most recent of 22 total declarations since 1976.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Insufficient Data | — | 0 | 0 | — |
| Inland Flooding | Insufficient Data | — | 0 | 0 | — |
| Coastal Flooding | Insufficient Data | — | 1 | 0 | — |
| Earthquake | Insufficient Data | — | — | — | — |
| Heat Wave | Insufficient Data | — | 0 | 0 | — |
| Tornado | Insufficient Data | — | 0 | 0 | — |
| Hurricane | Insufficient Data | — | 0 | 0 | — |
| Hail | Insufficient Data | — | 0 | 0 | — |
| Strong Wind | Insufficient Data | — | 0 | 0 | — |
| Winter Weather | Insufficient Data | — | 0 | 0 | — |
| Ice Storm | Not Applicable | — | — | — | — |
| Cold Wave | Insufficient Data | — | — | — | — |
| Lightning | Insufficient Data | — | 0 | 0 | — |
| Drought | Insufficient Data | — | 0 | 0 | — |
| Landslide | Insufficient Data | — | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| Tsunami | Insufficient Data | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Social vulnerability data is not available for Guam.
Future risk outlook
Wildfire, flood, and heat projections are pending data availability. See the data page for status.
Nearby counties
Frequently asked questions
Has Guam received federal disaster declarations?
Yes. Guam has received 22 federal disaster declarations since 1976, including declarations in 2026. The most common disaster type on record is typhoon (13 declarations).
Has Guam had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Guam include Typhoon Sinlaku (2026), Typhoon Bavi (2026), Super Typhoon Sinlaku (2026), Tropical Storm Bolaven (2024). See the declarations table above for the full history since 1976.