DisasterAWARE
3
Moderate

tsunami Tsunami Risk in San Jose, Costa Rica

Risk Level: Moderate — Score 3/10

Risk: 3Historical: 10

Live Tsunami alert status near San Jose

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Live tsunami map around San Jose

Shows tsunami warnings and events that are active right now, refreshed through the day. When none are active, the map is empty by design.

Key Risk Factors

  • Frequent historical activity recorded in proximity
  • Active in the last 12 months (18 events)
  • Largest recent event exposed 2,074,681 people

Last significant event: Tsunami (Pacific Ocean - Local) - Mindanao Philippines - 7.4 (2025-10-10) — 1,148,600 people exposed

Highest Risk Cities for Tsunamis

1
Risk: 9Historical: 10
2
Risk: 9Historical: 10
3
Risk: 9Historical: 10
4
Risk: 9Historical: 10
5
Risk: 9Historical: 0
6
FEMA: 7Historical: 10
7
FEMA: 5Historical: 10
8
Risk: 5Historical: 10
9
Risk: 5Historical: 10
10
Risk: 5Historical: 10
San Jose is not in the top 10 for tsunami risk among tracked cities.

How San Jose Compares

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Notable Tsunami Events Near San Jose

DisasterAWARE's historical archive records 5 notable tsunami events near San Jose, ranked below by impact. The most impactful: Tsunami (Pacific Ocean - Local) - Tonga - 7.1 (March 2025) — 2,074,681 people exposed; $318,833M capital exposed.

Tsunami (Pacific Ocean - Local) - Tonga - 7.1

March 29, 2025 — ADVISORY

2,074,681 people exposed; $318,833M capital exposed

Tsunami (Caribbean Sea - Wide) - North Of Honduras - 8.0

February 7, 2025 — ADVISORY

906,889 people exposed; $63,004M capital exposed

Tsunami (Caribbean Sea - Regional) - North Of Honduras - 7.6

February 7, 2025 — ADVISORY

906,889 people exposed; $63,004M capital exposed

Tsunami (Pacific Ocean - Local) - Mindanao Philippines - 7.4

October 9, 2025 — ADVISORY

1,148,600 people exposed; $47,953M capital exposed

Tsunami (Pacific Ocean - Local) - Taiwan - 7.5

April 1, 2024 — ADVISORY

1,043,380 people exposed; $47,777M capital exposed

Tsunami Preparedness Tips

  • 1.Know your evacuation route to higher ground — practice it regularly
  • 2.If you feel a strong earthquake near the coast, move inland immediately
  • 3.Heed official tsunami warnings and never go to the beach to watch
  • 4.Know the natural warning signs — rapid sea level drop, unusual ocean behavior
  • 5.Have a go-bag ready with essentials for quick evacuation

Related Pages

How this data is built

San Jose, Costa Rica tsunami risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live tsunami monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

The data behind this page

Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.

Monitor Tsunami Risk in Real Time

Get real-time tsunami alerts for San Jose, Costa Rica and hundreds of other locations with DisasterAWARE's enterprise platform.