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NASA's GUARDIAN System Boosts Tsunami Warnings for Hawaii

9/14/2025

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Summary

Story summary

NASA's GUARDIAN system detected a tsunami from an 8.8 magnitude earthquake near Russia's Kamchatka Peninsula, issuing early warnings 30-40 minutes before it reached Hawaii.
Utilizing data from over 350 GNSS ground stations, GUARDIAN allows for up to 1 hour and 20 minutes for evacuations.
The system identifies atmospheric distortions from the tsunami, prompting expert review.
GUARDIAN improves tsunami warning systems by detecting tsunamis without needing to know their cause.
Experts stress the need for regional data sharing to enhance tsunami threat assessments.

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Story summary

NASA's GUARDIAN system detected a tsunami from an 8.8 magnitude earthquake near Russia's Kamchatka Peninsula, issuing early warnings 30-40 minutes before it reached Hawaii.
Utilizing data from over 350 GNSS ground stations, GUARDIAN allows for up to 1 hour and 20 minutes for evacuations.
The system identifies atmospheric distortions from the tsunami, prompting expert review.
GUARDIAN improves tsunami warning systems by detecting tsunamis without needing to know their cause.
Experts stress the need for regional data sharing to enhance tsunami threat assessments.