In September 2023, scientists detected a mysterious seismic signal that repeated every 90 seconds for nine days, later traced back to a mega-tsunami in Dickson Fjord, Greenland. This colossal wave, triggered by a mountain collapse, reached a height of 7.9 metres before diminishing. Researchers utilized advanced satellite technology to confirm the tsunami's existence and its role in generating seismic vibrations. The initial force of the wave was equivalent to 14 Saturn V rockets, yet its rapid height reduction meant it went unobserved by surrounding vessels, adding to the enigma of the event.
The standing wave itself was massive. We estimate it to initially be 7.9 metres in height - that is an enormous wall of water bouncing back and forth.
An estimate of the force that exerts over the length of the fjord is 500 Giga Newtons, equivalent to the force produced by 14 Saturn V rocket ships launching at once.
What made the 2023 seismic event so mysterious was that no one directly observed the tsunami to prove it was the source of the vibrations.
The wave rapidly reduced in height even as it continued to produce seismic signals, making it completely unobserved by the military vessel.
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