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TAG: disasters

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

Infographic: GPS Innovation Alliance

GPS: The environment’s unsung hero

April 26, 2021

Image: GPS World

Predictive analytics: A helping hand for first responders

May 5, 2016

Image: GPS World

Group on Earth Observations Convenes 11th Plenary

November 10, 2014