The unusual seismic signal detected in September 2023 was traced back to a massive landslide in Greenland, leading to a mega-tsunami and unprecedented wave activity.
We were baffled by the signal's characteristics, a monotonous hum with a single vibration frequency, persisting for nine days, unlike typical earthquake signatures.
The 200-meter-high mega-tsunami triggered by the landslide was double the height of Big Ben, one of the tallest waves recorded since 1980.
Our analysis involved collaboration with 66 scientists from 40 institutions globally, akin to an air crash investigation, gathering extensive seismic data and simulations.
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