A mysterious seismic pulse shook Earth for 9 days in 2023, traced to a colossal Greenland landslide and 650-foot mega tsunami ...
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Satellites capture 650-foot Greenland mega-tsunami—planet rattled every 90 seconds for 9 days
In September 2023, scientists worldwide noticed something unusual. Seismometers on every continent detected a strange hum from deep within Earth's crust. The signal pulsed every 90 seconds and lasted ...
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