Natural Disaster Risk in San Sebastian
PR
Risk Summary for San Sebastian
San Sebastian scores 2.2/10 (Low risk), below the U.S. average of 4.5. The leading hazard is Tsunami.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Below-average risk — standard coverage likely adequate
Natural disaster risk here is below the US average. Standard homeowners insurance will typically be sufficient, but it is still worth reviewing exclusions for floods and earthquakes.
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: San Sebastian, PR
San Sebastian, in San Sebastián County, is a city of approximately 39,988 residents situated near the Atlantic Coast of the southeastern United States. Its temperate continental climate brings a temperate continental climate with four seasons, and in particular seasonal severe weather. These conditions collectively define the natural hazard environment that San Sebastian residents and property owners must navigate.
San Sebastian's overall natural disaster risk is rated 2.2/10 (Low) by FEMA's National Risk Index. The threat of tsunami inundation tops the local coastal risk profile, requiring residents in low-lying areas to maintain awareness of evacuation routes and warning systems. Secondary hazards include volcano and coastal flood.
Within PR, San Sebastian's risk is. Nationally, it ranks well below the U.S. national average of 4.5/10. FEMA's analysis of San Sebastián County identifies tsunami as the foremost hazard, followed by volcano and coastal flood. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
San Sebastian carries a below-average natural disaster risk, reflecting fewer and less severe hazard exposures than typical U.S. communities. Even so, the area's primary risk — tsunami — warrants awareness and appropriate insurance coverage, as lower risk does not mean zero risk.
What this means for San Sebastian: Tsunami preparedness
- Standard homeowners insurance excludes tsunami flooding; flood coverage may be needed.
- If you feel strong shaking near the coast, move to high ground immediately — do not wait for an official warning.
- Learn your community evacuation routes and the location of designated assembly areas.
Local Factors for San Sebastian
These city-level factors differentiate San Sebastian from other communities in San Sebastián County and provide geographic context for its hazard exposure.
Population
39,988
SuburbanGeographic Zone
SE Atlantic Coast
Hurricane & coastal flood risk
Climate Band
Tropical / Subtropical
Latitude 18.3°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 1.1/10
Coordinates
18.3366° N, 66.9752° W
San Sebastián County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for San Sebastian
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in San Sebastian
Other cities in PR
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.