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See the sector’s greatest iceberg stranded within the South Atlantic (satellite tv for pc picture)

See the sector’s greatest iceberg stranded within the South Atlantic (satellite tv for pc picture)

A pointy-eyed Earth-observing satellite tv for pc has shared an up to date view of the sector’s greatest iceberg, which stays caught simply offshore of a far off island within the South Atlantic.

The drifting Antarctic iceberg A-23A got here to a surprising forestall in overdue February off the coast of South Georgia Island — a British out of the country territory within the South Atlantic Ocean and the biggest of 9 islands that make up the South Georgia and South Sandwich Islands.

Measuring 1,240 sq. miles (3,460 sq. kilometers), A-23a is two times the scale of Greater London and just about the similar measurement as all of the South Georgia island, which is best 1,362 sq. miles (3,528 sq. km). The huge iceberg is assumed to be snagged on a shallow underwater shelf off the coast of the island, in keeping with a observation from the European Space Agency (ESA).

Antarctic iceberg A-23A caught in shallow waters off the coast of South Georgia island within the South Atlantic Ocean on March 4, 2025, as observed through the MODIS tool on NASA’s Aqua satellite tv for pc. (Image credit score: NASA Earth Observatory pictures through Wanmei Liang, the usage of MODIS information from NASA EOSDIS LANCE and GIBS/Worldview, ocean bathymetry information and virtual elevation information from the British Oceanographic Data Center’s General Bathymetric Chart of the Oceans(GEBCO) and the British Antarctic Survey)

The Ocean and Land Colour Instrument on ESA’s Copernicus Sentinel-3 satellite tv for pc captured a brand new symbol of A-23a on April 5, appearing the unmoving iceberg 45 miles (73 km) from the far off island, portions of which can also be observed underneath thick cloud duvet.

A-23A has traveled greater than 1,200 miles (2,000 km) north from its house within the Southern Weddell Sea, the place it calved from Antarctica’s Filchner-Ronne Ice Shelf in 1986. In the early 2020s, the iceberg broke clear of the seafloor and started to go with the flow. Since stranding close to South Georgia Island, a number of small blocks of ice have fallen off A-23A and can also be observed floating at nighttime blue ocean, simply north of the iceberg within the new satellite tv for pc symbol.

satellite view of A23a amongst the cloud and dark southern ocean waters.

This symbol from the NOAA-20, NOAA-21 and S-NPP satellites displays the sector’s greatest iceberg, A-23A, floating eastward within the Southern Ocean in December 2024. (Image credit score: NOAA CIRA)


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