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Iceberg 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.
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A massive iceberg, known as A23a, is on an apparent collision course with South Georgia Island, a British territory in the South Atlantic Ocean. The giant sheet of ice, which originally broke off ...
The world's largest iceberg is on the move after spinning for months in a Taylor Column. World's largest iceberg breaks free after months of spinning in Antarctic Skip to main content
Ongoing: COVID-19 pandemic in Antarctica. February 15: A joint study by the British Antarctic Survey and the US Antarctic programme finds that glaciers on the icy continent may be more sensitive to changes in sea temperature than previously thought. Researchers used sensors and an underwater robot beneath the Thwaites glacier to study melting. [1]
The iceberg was first spotted on 22 January by the British Antarctic Survey and was later confirmed by the U.S. National Ice Center (USNIC) using satellite imagery. [ 3 ] As of 31 March 2023, the iceberg was located at 76°48' South and 33°41' West and had a length of 28 nautical miles and width of 25 nautical miles.
An iceberg roughly 22-square miles in size is now floating freely in the Antarctic ocean.
A non-exhaustive listing of ships which have sunk as a result of striking ice masses of larger than "growler" or pack size (such collisions with minor ice are comparatively common, usually resulting in less damage).