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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 ...
This is a list of Antarctic ice shelves. An image of Antarctica differentiating its landmass (dark grey) from its ice shelves (minimum extent, light grey, and maximum extent, white) Edge of Ekstrom Ice Shelf. Ice shelves are attached to a large portion of the Antarctic coastline. Their total area is 1,541,700 km 2. [1]
A large section of the Larsen C shelf broke away in July 2017 to form an iceberg known as A-68. [6] The ice shelf originally covered an area of 85,000 square kilometres (33,000 sq mi), but following the disintegration in the north and the calving of iceberg A-68, it now covers an area of 67,000 square kilometres (26,000 sq mi). [1]
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.
The largest iceberg on record was an Antarctic tabular iceberg measuring 335 by 97 kilometres (208 by 60 mi) sighted 240 kilometres (150 mi) west of Scott Island, in the South Pacific Ocean, by the USS Glacier on November 12, 1956.
On the other hand, the East Antarctic ice sheet is far more stable and may only cause 0.5 m (1 ft 8 in) - 0.9 m (2 ft 11 in) of sea level rise from the current level of warming, which is a small fraction of the 53.3 m (175 ft) contained in the full ice sheet.
Iceberg A-74 pictured by Landsat 8 on 1 March 2021 iceberg movement August 2021. Iceberg A-74 is an iceberg that calved from the north side of the Antarctic Brunt Ice Shelf in February 2021. Its calving had been anticipated due to large ice rifts that opened up in September 2019 and spread in the Antarctic summer of 2020–21. The iceberg ...
The size at calving was an estimated 4,320 km 2 (1,670 sq mi). Iceberg A-76a in March 2023. The new iceberg was first spotted by Keith Makinson, a polar oceanographer with the British Antarctic Survey in May 2021. [6] By day 148, [7] the iceberg consisted of three fragments, A-76a, A-76b, and A-76c. [8]