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NASA’s GUARDIAN Tsunami Detection Tech Catches Wave in Real Time
5 min read

A massive earthquake and subsequent tsunami off Russia in late July tested an experimental detection system that had deployed a…

Sep 12, 2025
Article
SWOT Spots Tsunami Wave After Kamchatka Quake
4 min read

Data provided by the water satellite are helping to improve tsunami forecast models.

Aug 14, 2025
Article
US-French SWOT Satellite Measures Tsunami After Massive Quake
4 min read

Data provided by the water satellite, a joint effort between NASA and the French space agency, is helping to improve…

Aug 7, 2025
Article
NASA Satellite Images Could Provide Early Volcano Warnings 
5 min read

Scientists know that changing tree leaves can indicate when a nearby volcano is becoming more active and might erupt. In…

May 15, 2025
Article
Sizing Up a Greenland Tsunami
3 min read

Satellite data show the shape of a wave as water sloshed around Dickson Fjord after a rockslide triggered a tsunami…

Nov 12, 2024
Article
Aftermath of a Landslide-Triggered Tsunami
3 min read

The 56-foot wave in Pedersen Lagoon, on Alaska’s Kenai Peninsula, damaged trees and left a mark on the landscape.

Aug 29, 2024
Article
NASA Researchers Detect Tsunamis by Their Rumble in the Atmosphere
4 min read

New hazard-monitoring technology uses GPS signals to go wave-hunting in the Pacific Ring of Fire. GUARDIAN’s long-term objective is to…

May 31, 2023
Article
Ten Years After the Tsunami
4 min read

One of the hardest hit coastal cities in Japan is still working to recover.

Mar 12, 2021
Article
The Specter of a Mega-Tsunami in Alaska
7 min read

Landsat images helped convince researchers that a slumping mountainside overlooking Barry Arm fjord could pose a tsunami hazard.

Oct 6, 2020
Article