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NASA Researchers Detect Tsunamis by Their Rumble in the Atmosphere

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The SWOT satellite caught the leading edge of the tsunami wave that rolled through the Pacific Ocean on July 30, 2025.

The Mar. 11, 2011, Tohoku, Japan earthquake and tsunami devastated a large extent of the northeastern Japan coast, and virtually erased many villages and cities from the map. NASA Terra spacecraft acquired this image of Sendai on Mar. 14, 2011.

This before-and-after image pair acquired by NASA Terra spacecraft of the Japan coastal cities of Ofunato and Kesennuma reveals changes to the landscape that are likely due to the effects of the tsunami on March 11, 2011. The new image is on the left.

This poster highlights NASA JPL missions that provide important inputs to research on volcanoes, fires, earthquakes, droughts, tsunamis, floods and hurricanes.

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