DisasterAWARE
9
Extreme

tsunami Tsunami Risk in California

Overall State Risk Score: 9/10

California faces extreme tsunami risk. 2 of 20 counties (10%) rated high or very high by FEMA National Risk Index.

Seasonal pattern: Year-round

Highest-Risk Cities in California

Notable Tsunami Events

Tsunami (AK/BC/US West Coast) - 45 miles SW of Eureka, California - 7.0

December 5, 2024 — ADVISORY

Long Beach, CA

372,120 people exposed; $245,834M capital exposed

Tsunami (Pacific Ocean - Local) - Near The Coast Of Northern California - 7.0

December 5, 2024 — ADVISORY

Long Beach, CA

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

Long Beach, CA

284,960 people exposed; $237,947M capital exposed

Other Hazards in California

How this data is built

California tsunami risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live event 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 Activity in California

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