DisasterAWARE
3
Moderate

tsunami Tsunami Risk in Seattle, WA

Risk Level: Moderate — Score 3/10

FEMA: 3Historical: 10

Live Tsunami alert status near Seattle

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Live tsunami activity around Seattle — refreshed throughout the day.

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Key Risk Factors

  • Estimated annual loss of $6M from this hazard type
  • Frequent historical activity recorded in proximity
  • Active in the last 12 months (17 events)
  • Largest recent event exposed 2,074,681 people

Last significant event: Tsunami (Pacific Ocean - Regional) - Mindanao Philippines - 7.8 (2026-06-07) — 667,704 people exposed

Highest Risk Cities for Tsunamis

1
Tokyo, Japan
Risk: 9Historical: 10
2
Shanghai, China
Risk: 9Historical: 10
3
Sydney, Australia
Risk: 9Historical: 10
4
Kuala Lumpur, Malaysia
Risk: 9Historical: 10
5
Kathmandu, Nepal
Risk: 9Historical: 0
6
Honolulu, HI
FEMA: 7Historical: 10
7
San Francisco, CA
FEMA: 5Historical: 10
8
Manila, Philippines
Risk: 5Historical: 10
9
Mumbai, India
Risk: 5Historical: 10
10
Seoul, South Korea
Risk: 5Historical: 10
Seattle is not in the top 10 for tsunami risk among tracked cities.

How Seattle Compares

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Notable Tsunami Events Near Seattle

DisasterAWARE's historical archive records 5 notable tsunami events near Seattle, 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 (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 (Pacific Ocean - Regional) - Mindanao Philippines - 7.8

June 6, 2026 — WATCH

667,704 people exposed; $18,528M capital exposed

Tsunami (Pacific Ocean - Regional) - Molucca Sea - 7.6

March 31, 2026 — WATCH

601,220 people exposed; $2,688M 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

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Landslide Risk in Seattle
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Extreme Heat Risk in Seattle
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Score: 0/10
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How this data is built

Seattle, WA 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.

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