Tsunami Risk in San Francisco, CA
Risk Level: High — Score 5/10
Live Tsunami alert status near San Francisco
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Live tsunami map around San Francisco
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Key Risk Factors
- Moderate risk rating based on FEMA National Risk Index
- Estimated annual loss of $6M from this hazard type
- 13 events recorded in proximity in recent decades
- 1 event(s) in the 12 months to Aug 9, 2026
- Occurs roughly 0.34 times per year on average
Last significant event: Tsunami (AK/BC/US West Coast) - 260 miles SW of Bering I., Komandorski - 7.8 (2025-09-18) — 28,190 people exposed
Highest Risk Cities for Tsunamis
How San Francisco Compares
Notable Tsunami Events Near San Francisco
DisasterAWARE's historical archive records 5 notable tsunami events near San Francisco, ranked below by impact. The most impactful: Tsunami (AK/BC/US West Coast) - 45 miles SW of Eureka, California - 7.0 (December 2024) — 372,120 people exposed; $245,834M capital exposed.
Tsunami (AK/BC/US West Coast) - 45 miles SW of Eureka, California - 7.0
December 5, 2024 — ADVISORY
372,120 people exposed; $245,834M capital exposed
Tsunami (Pacific Ocean - Local) - Near The Coast Of Northern California - 7.0
December 5, 2024 — ADVISORY
372,120 people exposed; $245,834M capital exposed
Tsunami (AK/BC/US West Coast) - 55 miles S of Sand Point, Alaska - 7.3
July 16, 2025 — ADVISORY
284,960 people exposed; $237,947M capital exposed
Tsunami (AK/BC/US West Coast) - 315 miles SW of Bering I., Komandorski - 8.8
July 29, 2025 — ADVISORY
45,590 people exposed; $8,345M capital exposed
Tsunami (AK/BC/US West Coast) - 260 miles SW of Bering I., Komandorski - 7.8
September 18, 2025 — ADVISORY
28,190 people exposed; $4,861M 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 Francisco, CA 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
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