SWOT Satellite Captures High-Resolution Images of Pacific Tsunami, Revealing Complex Wave Patterns
By
stevenjgarner
Master baker tier. Every paragraph earns its place on the tray.
Summary
NASA and French space agency's SWOT satellite captured unprecedented high-resolution images of a Pacific-wide tsunami generated by a magnitude 8.8 earthquake in the Kuril-Kamchatka subduction zone. The satellite data revealed complex, braided wave patterns rather than a single crest, providing new insights that challenge current tsunami forecasting models. This represents a rare natural experiment with significant implications for understanding tsunami propagation and improving early warning systems.
Key quotes
· 4 pulledWhen a magnitude 8.8 earthquake ripped through the Kuril-Kamchatka subduction zone on July 29, 2025, it launched a Pacific-wide tsunami – and a rare natural experiment.
NASA and the French space agency's SWOT satellite happened to pass overhead. The satellite captured the first high-resolution, spaceborne swath of a great subduction-zone tsunami.
Instead of a single neat crest racing across the basin, the image revealed a complicated, braided pattern of energy dispersing and scattering over hundreds of miles.
These are details that traditional instruments almost never resolve.
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