San Sebastián Municipio, PR
FEMA National Risk Index scores, disaster declarations & hazard data
San Sebastián Municipio has experienced 26 federally declared disasters since 1971, most recently Tropical Storm Ernesto in 2025. 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. San Sebastián Municipio has been designated in 26 declarations since 1971, covering 6 disaster types including hurricane (11), flood (6), severe storm (4).
| Year | Type | Event name |
|---|---|---|
| 2025 | Tropical Storm | Tropical Storm Ernesto |
| 2024 | Severe Storm | Tropical Storm Ernesto |
| 2024 | Flood | Severe Storms, Flooding, Landslides, And Mudslides |
| 2022 | Hurricane | Tropical Storm Fiona |
| 2022 | Hurricane | Hurricane Fiona |
| 2020 | Hurricane | Tropical Storm Laura |
| 2020 | Hurricane | Potential Tropical Cyclone Nine |
| 2020 | Earthquake | Earthquakes |
| 2020 | Earthquake | Earthquakes |
| 2020 | Biological | Covid-19 Pandemic |
Showing the 10 most recent of 26 total declarations since 1971.
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 | — | 0 | 0 | — |
| Earthquake | Insufficient Data | — | 1 | — | — |
| 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 | Not Applicable | — | — | — | — |
| 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 San Sebastián Municipio.
Future risk outlook
Wildfire, flood, and heat projections are pending data availability. See the data page for status.
Nearby counties
Frequently asked questions
Has San Sebastián Municipio received federal disaster declarations?
Yes. San Sebastián Municipio has received 26 federal disaster declarations since 1971, including declarations in 2025. The most common disaster type on record is hurricane (11 declarations).
Has San Sebastián Municipio had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for San Sebastián Municipio include Tropical Storm Ernesto (2025), Tropical Storm Ernesto (2024), Severe Storms, Flooding, Landslides, And Mudslides (2024). See the declarations table above for the full history since 1971.