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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.
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 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.
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 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 iceberg, named A23a, is about 400 meters (1,312 feet) thick, and almost 4,000 square kilometers (1,544 square miles) in area. Greater London, by way of comparison, is 1,572 square kilometers ...
This list may not reflect recent changes. * Iceberg; List of recorded icebergs by area ... Iceberg A-68; Iceberg A-74; Iceberg A-76; A23a; B. Iceberg B-9; Iceberg B ...
The world's largest iceberg is on the move in the Southern Ocean after spinning for months. Iceberg A23a weighs nearly 1 trillion tons and is twice the size of Greater London, according to the ...