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NASA's GUARDIAN Detects Tsunami, Minimizes Damage in Hawaii

9/22/2025

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Summary

Story summary

Magnitude 8.8 quake off Kamchatka on July 29 triggered a tsunami; NASA's GUARDIAN detected signs 30–40 minutes before Hawaii.
GUARDIAN uses signals from global navigation satellite systems to monitor atmospheric pressure waves.
The system confirmed disturbances within 20 minutes.
Tsunami caused minimal damage, showing GUARDIAN's tracking.
NOAA's Christopher Moore highlighted GUARDIAN's data for evacuation decisions; day-before upgrade boosted effectiveness.

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Story summary

Magnitude 8.8 quake off Kamchatka on July 29 triggered a tsunami; NASA's GUARDIAN detected signs 30–40 minutes before Hawaii.
GUARDIAN uses signals from global navigation satellite systems to monitor atmospheric pressure waves.
The system confirmed disturbances within 20 minutes.
Tsunami caused minimal damage, showing GUARDIAN's tracking.
NOAA's Christopher Moore highlighted GUARDIAN's data for evacuation decisions; day-before upgrade boosted effectiveness.