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SWOT satellite reveals hidden tsunami signals linked to near trench processes of the Kamchatka earthquake

Summary by Phys.org
Improving tsunami hazard assessments depends on understanding what happens at the moment an earthquake ruptures beneath the seafloor, especially near deep-ocean trenches where measurements are often scarce. When a powerful magnitude 8.8 earthquake struck off Russia's Kamchatka Peninsula on July 29, 2025, it generated a tsunami that traveled across the Pacific.

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These monstrous waves can travel thousands of miles, cross entire ocean basins or devastate the coasts; and yet the exact causes of their formation are still unknown. A study, published in Science, reveals that satellites could be useful for investigating such extreme phenomena. In fact, one of them collected information from the Kamchatka tsunami of 2025 shortly after its genesis and provided high resolution measurements of the sea surface with…

·Madrid, Spain
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Phys.org broke the news in United Kingdom on Thursday, March 26, 2026.
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