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A23a is a large tabular iceberg which calved from the Filchner–Ronne Ice Shelf in 1986. It was stuck on the sea bed for many years but then started moving in 2020. As of January 2025, its area is about 3,500 square kilometres (1,400 sq mi), which makes it the current largest iceberg in the world. [2] [3] [4]
Known as A23a, the 1,400-square-mile iceberg had been stuck on the ocean floor near Antarctica for 37 years after splitting in 1986 from the Antarctic’s Filchner Ice Shelf.
T he largest iceberg in the world is headed toward an island with a massive population of penguins and seals. ... Scientists catalogued it under the name A23a. It was stuck at sea for decades but ...
The colossal iceberg known as A23a has been slowly spinning in one spot of the Southern Ocean since April. Here’s what experts have to say on the phenomenon.
In 1986, satellite images revealed ice breakup near Druzhnaya I. It drifted to sea in 1986 when the ice it was on broke from the main ice shelf as iceberg A23a. [5] It was later discovered at sea by the ship Kapitan Kondratyev. Its equipment and prefabricated structures were airlifted to Druzhnaya III shortly after its construction. [6]
The iceberg, known as A23a, ... This images provided by Maxar Technologies shows the A23a iceberg moving through the sea sea near the Antarctica, on Wednesday 15 Nov 2023.
The split of the A38-B iceberg is recorded in this series of images. The iceberg was originally part of the massive A-38 iceberg, which broke from the Ronne Ice Shelf in Antarctica [3] B-15A: 6,400 2002 Northern edge of Iceberg B-15A in the Ross Sea, Antarctica, 29 January 2002: A-68: 5,800 175 50 2017 Calving crack in the Larsen C ice shelf [2 ...
The world’s largest iceberg is on the move again, drifting through the Southern Ocean after months stuck spinning on the same spot, scientists from the British Antarctic Survey (BAS) have said.