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Event Brief

Alaska 2025 tsunami was second-highest ever

Researchers say the Aug. 10, 2025 Alaska tsunami reached about 481 meters, the second-highest on record.
WHO: Researchers
WHAT: Determination of the Aug. 10, 2025 tsunami’s height as the second-highest ever recorded
WHEN: May 7, 2026 at 2:18 AM ET
WHERE: Tongass National Forest, Alaska
WHY: Researchers determined the tsunami’s recorded wave height.
How this story developed (showing 3 of 3 earlier reports)

Reporting from 5 identified publishers across this event arc.

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