When NASA's experimental technology detects a tsunami, it may help save lives

When NASA's experimental technology detects a tsunami, it may help save lives

A new data visualization illustrates how an experimental NASA technology can provide extra lead time to communities in the path of a tsunami. Called GUARDIAN (GNSS Upper Atmospheric Real-time Disaster Information and Alert Network), the software detects slight distortions in satellite navigation signals to spot hazards on the move.

See NASA’s GUARDIAN Catch a Tsunami

News from NASA A new data visualization illustrates how an experimental NASA technology can provide extra lead time to communities in the path of a tsunami. Called GUARDIAN (GNSS Upper Atmospheric Real-time Disaster Information and Alert Network), the software detects slight distortions in satellite navigation signals to spot hazards on the move. The animation breaks down a real-life case study: 2025’s massive Kamchatka earthquake and the tsunam…