Global seismic event solved: Scientists attribute mysterious nine-day tremors to rare ocean phenomenon

A landslide in a Greenland fjord triggered a 200m wave that caused a seismic signal detected globally, lasting for nine days. The signal was initially thought to be a unique phenomenon, but researchers have since attributed it to the landslide, with mathematical modeling and experiments confirming the explanation. The signal was characterized by a 92-second period and was detected at multiple monitoring stations worldwide.