Honolulu beside a calm sea in 2017. A JPL technology recently detected and confirmed a tsunami up to 45 minutes prior to detection by tide gauges in Hawaii, and it estimated the speed of the wave to be over 580 miles per hour (260 meters per second) near the coast. (Photo: NASA/JPL-Caltech)

NASA’s GUARDIAN Tsunami Detection catches wave in real time

September 16, 2025

A massive earthquake and subsequent tsunami off Russia in late July tested an experimental detection system that had deployed a critical component just the day before.

This article is tagged with disasters, early detection system, earthquakes, GUARDIAN, JPL, NASA, tsunami warning system and posted in Featured Stories, Featured Stories, Latest News, Space & Earth

TAG: early detection system

NASA’s GUARDIAN Tsunami Detection catches wave in real time

September 16, 2025

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TAG: early detection system

NASA’s GUARDIAN Tsunami Detection catches wave in real time

September 16, 2025