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On September 16th, 2023 at 12:35 UTC, a 25.5 Mm 3 (3.34 × 10 19 cu yd) rockslide occurred on the slope of Dickson Fjord in Northeast Greenland. [ 1 ] [ 2 ] The rockslide impacted a gully glacier, leading to a rock and ice avalanche that entered the fjord causing an up to 200 m (660 ft) high tsunami and subsequent waves up to 110 m high, with ...
From left: before (August 2023) and after (September 2023) photos of the mountain peak and glacier, taken from the fjord (Søren Rysgaard/Danish Army via University College London)
A 650-foot tsunami in Greenland was the result of melting glacial ice that caused a landslide. The waves it created bounced back and forth for nine days.
The investigation (involving 68 scientists, 40 institutions, and 18 countries) eventually revealed that the likely culprit was a rockslide in Dickson Fjord, located on the central east coast of ...
On 16 September 2023 a large landslide originating 300–400 m (980–1,310 ft) above sea level entered Dickson Fjord, triggering a megatsunami exceeding 200 m (660 ft) in run-up height. A run-up of 60 m (200 ft) was observed along a 10 km (6.2 mi) stretch of coast, forming a seiche oscillation that decayed over a period of nine days.
In 1930 Norwegian ship Veslekari reached the head of Dickson Fjord and recorded a sounding of 568.75 m (1,866.0 ft), but sudden shoaling prevented the ship from anchoring. [4] On 16 September 2023, a significant landslide, consisting primarily of ice and rock, occurred in Dickson Fjord, triggering a 200-meter-high tsunami.
The mountain in Dickson Fjord, eastern Greenland, in August 12, 2023 before the landslide. - Søren Rysgaard The mountain after the landslide, on September 19, 2023 - Danish Army
Bernstorff Fjord; Bessel Fjord; Bessel Fjord, NW Greenland; Bowdoin Fjord; Carlsberg Fjord (Kangerterajitta Itterterilaq) Cass Fjord; Danmark Fjord; De Dodes Fjord; Deichmann Fjord; Dickson Fjord (branch of King Oscar Fjord notable due to the September 2023 rockslide and associated 9-day seismic event caused by a seiche megatsunami) Dijmphna ...