{"id":686316,"date":"2026-01-10T08:08:11","date_gmt":"2026-01-10T08:08:11","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/686316\/"},"modified":"2026-01-10T08:08:11","modified_gmt":"2026-01-10T08:08:11","slug":"the-giant-iceberg-thats-been-around-since-1986-is-finally-melting-and-its-turning-blue","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/686316\/","title":{"rendered":"The Giant Iceberg That’s Been Around Since 1986 is Finally Melting, And It\u2019s Turning Blue"},"content":{"rendered":"

Iceberg A-23A<\/strong>, once the largest iceberg on Earth, is starting to show serious signs of its final days. Recent satellite images captured by NASA reveal pools of bright aquamarine water spreading across its surface, a clear indication that the massive chunk of ice is likely to disintegrate in the near future. According to scientists, this once colossal iceberg could be completely gone<\/strong> in just a matter of days or weeks.<\/p>\n

For decades, it has captured the attention of scientists and researchers alike, as it has slowly shrunk and drifted across the oceans. And while this may just seem like another piece of ice breaking away<\/strong>, it\u2019s actually a far more significant event.<\/p>\n

A Journey Like No Other<\/strong><\/p>\n

This iceberg\u2019s journey has been nothing short of extraordinary. Breaking off from Antarctica\u2019s Filchner Ice Shelf in 1986<\/strong>, A-23A started as a massive slab of ice, about the size of Rhode Island. It was a true titan of the ice world, measuring 1,500 square miles<\/strong>. For decades, it remained stuck on the seafloor of the southern Weddell Sea until it finally broke free in the early 2020s, setting off on its long and unpredictable journey.<\/p>\n

\"AA NASA astronaut aboard the ISS took this photo of Antarctica\u2019s A-23A iceberg. Credit: NASA<\/p>\n

Over the years, it has drifted across the oceans, and at one point, in March 2024<\/strong>, it got caught in a spinning vortex in the Drake Passage. After being tossed around for a bit, it ended up on the shallow coastal shelf south of South Georgia Island, only to eventually free itself again. <\/p>\n

But it didn\u2019t travel far before coming to a halt just north of the island. The iceberg\u2019s size, even in its current state, is still pretty impressive, measuring 456 square miles <\/strong>(a little over a thousand square kilometers), which is still much larger than New York City, as noted by NASA\u2019s Terra satellite<\/a>.<\/p>\n

Meltwater Pools: A Clear Warning<\/strong><\/p>\n

According to NASA\u2019s Earth Observatory<\/strong><\/a>, one of the most concerning developments in recent months has been the formation of meltwater pools on A-23A\u2019s surface. These pools, captured in stunning blue tones by NASA\u2019s MODIS satellite<\/strong><\/a> on December 26, 2025, are a warning sign. <\/p>\n

\"Thethe Moderate Resolution Imaging Spectroradiometer on NASA\u2019s Terra satellite captured this image of the waterlogged iceberg. Credit: NASA<\/p>\n

The iceberg is slowly being waterlogged as the ice melts at an accelerated rate, and that\u2019s creating enough pressure to crack and weaken the structure. As reported by Walt Meier<\/a>, a senior scientist at the National Snow & Ice Data Center: <\/p>\n

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\u201cThe striations formed parallel to the direction of flow, which ultimately created subtle ridges and valleys on the top of the iceberg that now direct the flow of meltwater.\u201d\u00a0<\/p>\n<\/blockquote>\n

The markings on the iceberg, left from when it was part of a bigger ice sheet<\/a>, are still visible even after a lot of melting. But the real worry is the meltwater pools. They show the iceberg is breaking down, and the white spots on satellite images <\/strong>could mean it\u2019s leaking, speeding up its disintegration.<\/p>\n

The End of an Era? Why It\u2019s Significant<\/strong><\/p>\n

As A-23A drifts toward warmer waters, scientists are predicting its inevitable collapse. \u201cI certainly don\u2019t expect A-23A to last through the austral summer,\u201d said Chris Shuman<\/a>, a retired scientist from the University of Maryland Baltimore County. <\/p>\n

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\u201cI\u2019m incredibly grateful that we\u2019ve had the satellite resources in place that have allowed us to track it and document its evolution so closely,\u201d he added. \u201cA-23A faces the same fate as other Antarctic bergs, but its path has been remarkably long and eventful. It\u2019s hard to believe it won\u2019t be with us much longer.\u201d<\/p>\n<\/blockquote>\n

Over the years, Antarctic icebergs like A-23A have been breaking apart more frequently as temperatures rise, and this iceberg seems to be following that trend. The image captured by the Terra satellite paints a worrying picture: The iceberg<\/a> is floating in water that\u2019s only 3\u00b0C (37\u00b0F)<\/strong>, and with the arrival of even warmer waters, its fate appears sealed.<\/p>\n

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The current largest iceberg, A-23A <\/p>\n

This is the course of planet\u2019s current largest iceberg, A-23A. It separated from Antarctica in 1986. (Image Credit: NASA Visible Earth) <\/p>\n

Area: approx 3,000 sq km (1,150 sq miles) (2024) pic.twitter.com\/ADLxuSSVyC<\/a><\/p>\n

\u2014 Geography Host (@geographyhost) February 16, 2025<\/a><\/p><\/blockquote>\n

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