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A NASA satellite caught a giant tsunami doing something scientists didn’t expect

SWOT satellite data revealed complex tsunami wave dispersion and a 400-kilometer earthquake rupture, prompting updates to tsunami models and hazard assessments, scientists say.

Summary by Science Daily
When a huge earthquake struck near Kamchatka, the SWOT satellite captured an unprecedented, high-resolution view of the resulting tsunami as it crossed the Pacific. The data revealed the waves were far more complex and scattered than scientists expected, overturning the idea that large tsunamis travel as a single, stable wave. Ocean sensors confirmed the quake’s rupture was longer than earlier models suggested. Together, the findings could resha…

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Science Daily broke the news in United States on Tuesday, January 6, 2026.
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