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A23a World S Largest And Oldest Iceberg Is On The Move In Antarctica S Southern Ocean
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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.
On Jan. 22, 2025, NOAA’s GOES East satellite captured imagery of the world’s largest current iceberg, A23a, slowly drifting northeastward in the Southern Ocean.
Sep 5, 2025 · It's been a long and unusual journey for the world's largest iceberg, known as A23a, but it's ending in a relatively usual way: breaking apart and melting in the warmer waters of the South...
Feb 3, 2025 · Known as A23a, the world's biggest and oldest iceberg calved from the Antarctic shelf in 1986. It remained stuck for over 30 years before finally breaking free in 2020, its lumbering journey …
Sep 3, 2025 · Warm water and the coming southern spring mean the iceberg is likely to break down into smaller sections rapidly, experts say. A23a remained grounded on the Antarctic’s Weddell Sea floor …
Sep 4, 2025 · Dubbed the "queen of icebergs," A23a broke off Antarctica 's Filchner-Ronne ice shelf (which borders the Weddell Sea) in 1986. The giant berg immediately ran aground, remaining stuck …
Dec 17, 2024 · The iceberg, named A23a, measured 1,505 square miles in area in February this year, making it the largest iceberg in the world.
Mar 6, 2025 · After sitting still in the Weddell Sea for more than 30 years, A23a broke free in 2020 and has been drifting on the currents that sweep many icebergs from the icy Antarctic to warmer waters …
Mar 6, 2025 · Known as A23a, the massive slab of ice — roughly the size of Rhode Island and weighing nearly a trillion tonnes — was first reported to be heading toward South Georgia months ago, sparking...
Mar 4, 2025 · The so-called A23a iceberg, the world's largest, has run aground in South Georgia after almost 40 years at sea, threatening important penguin colonies.
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