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This is a list of icebergs by total area. In 1956, an iceberg in the Antarctic was reported to be an estimated 333 kilometres (207 mi) long and 100 kilometres (62 mi) wide. Recorded before the era of satellite photography, the 1956 iceberg's estimated dimensions are less reliable.
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]
[12] [13] Iceberg deterioration and drift, therefore, are interconnected ie. iceberg thermodynamics, and fracturing must be considered when modelling iceberg drift. [ 12 ] Winds and currents may move icebergs close to coastlines, where they can become frozen into pack ice (one form of sea ice ), or drift into shallow waters, where they can come ...
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.
In May 2021, Iceberg A-76 broke off the northwest corner of the shelf. At 4320 km 2, [4] it is larger than Majorca, several times larger than Iceberg A-74 which calved in the same year, or approximately 14% the size of Belgium. The ice of the Filchner–Ronne ice shelf can be as thick as 600 m; the water below is about 1400 m deep at the ...
One of the world’s largest icebergs is drifting beyond Antarctic waters, after being grounded for more than three decades, according to the British Antarctic Survey. The iceberg is about three ...
Ilulissat Icefjord. The fjord contains the Jacobshavn Isbræ (Greenlandic: Sermeq Kujalleq), the most productive glacier in the Northern Hemisphere.The glacier flows at a rate of 20–35 m (66–115 ft) per day, resulting in around 20 billion tonnes of icebergs calved off and passing out of the fjord every year.
Northern edge of Iceberg B-15A in the Ross Sea, Antarctica, 29 January 2001. Iceberg B-15 was the largest recorded iceberg by area. [Note 1] It measured around 295 by 37 kilometres (159 by 20 nautical miles), with a surface area of 11,000 square kilometres (3,200 square nautical miles), about the size of the island of Jamaica.