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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 ...
In this handout photo provided by the British Antarctic Survey, a view of the A23a iceberg is seen from the RRS Sir David Attenborough, Antarctica, Friday, Dec. 1, 2023. / Credit: Andrew Meijers / AP
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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.
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. [4]
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An iceberg larger than Rhode Island broke off from the Ronne ice shelf in Antarctica's Weddell Sea mid-May, and a satellite operated by European scientists captured the moment the massive piece of ...
This image is available from the Naval History and Heritage Command under the digital ID USN 827218. Most of the photos found in the NHHC collection are in the public domain and may be downloaded and used without permissions or special requirements. Those which are not will be noted in the copyright section of the NHHC image description.