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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.
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.
Roughly 1,550 square miles across, the world's biggest and oldest iceberg, known as A23a, calved from the Antarctic shelf in 1986. Before its calving in 1986, the colossal iceberg hosted a Soviet ...
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 world’s largest iceberg is on the move again after decades of being grounded on the seafloor and more recently spinning on the spot, according to the British Antarctic Survey (BAS). The mega ...
Satellite image of the iceberg (USNIC) Iceberg A-81 is an iceberg that calved from the Brunt Ice Shelf in January 2023. The detachment happened near the British-operated Halley Research Station, which is located only 20 km away from the point of rupture. The iceberg is estimated to measure 1,550 square kilometres (600 sq mi). [1] [2]
As the world’s largest iceberg, the colossus A23a is of great interest to scientists, who have closely monitored the frozen block since it calved from Antarctica’s Filchner-Ronne ice shelf in ...
The iceberg is about 170 km (110 mi) long and 25 km (16 mi) wide, and is described as being shaped like a "giant ironing board", and roughly the size of Cornwall. [5] The size at calving was an estimated 4,320 km 2 (1,670 sq mi). Iceberg A-76a in March 2023