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Earth sciences

Earth-shaking waves from Greenland mega-tsunamis imaged for the first time

24 Jul 2025 Isabelle Dumé
Satellite image of a narrow, winding passage of deep green sea (labelled
Wave location: Copernicus Sentinel-2 satellite image of the Dickson Fjord in East Greenland. (Courtesy: Thomas Monahan)
In September 2023, seismic detectors around the world began picking up a mysterious signal. Somethin

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