Why in news
On September 16, 2023, global seismic stations detected puzzling signals that lasted nine days.
The signals were not caused by earthquakes; they were classified as an unidentified seismic object (USO).
Researchers discovered the signals were due to a massive landslide in Greenland, which triggered a mega-tsunami in the Dickson Fjord.
What is Fjord
A fjord is a deep, narrow sea inlet created by glacial erosion.
Fjords often feature U-shaped channels, high cliffs, and are flooded by seawater.
Fjords exist on the coasts of Antarctica, the Arctic, and surrounding landmasses of the northern and southern hemispheres
Some countries that have fjords are Norway, Chile, New Zealand, and the U.S. state of Alaska.
Fjords are some of the most picturesque areas because of their unique and dramatic landscape features, attracting tourists
Dickson Fjord
Dickson Fjord is a fjord in King Christian X Land, eastern Greenland
Administratively, it lies in the Northeast Greenland National Park area.
This fjord is part of the King Oscar Fjord system
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