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LiveScience
LiveScience
Stephanie Pappas

A 2025 Alaskan tsunami was one of the largest on record, new research finds

An aerial photo looking down into a valley showing the results of a landslide.

A tsunami that struck an Alaskan fjord in 2025 sloshed higher than the height of the top floor of One World Trade Center in New York, new research shows.

The study, published May 6 in the journal Science, found that the tsunami reached 1,578 feet (481 meters) up the slopes of the fjord, making it one of the tallest tsunamis ever recorded. It would have easily washed over the roof of New York's One World Trade Center, which stands 1,368 feet (417 m), not including its spire.

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