World’s Largest Iceberg Could Hit South Georgia Island In South Atlantic

The world’s largest iceberg, A23a, is moving toward South Georgia Island, a remote British overseas territory in the South Atlantic.

The iceberg measures a staggering 3,672 square kilometres (1,418 square miles), which is twice the size of Greater London and weighs about a trillion tons.

A23a, which broke off from the Filchner-Ronne Ice Shelf in Antarctica in 1986, had been stuck in the Weddell Sea for decades until it gradually began drifting toward the Southern Ocean in 2020.

The iceberg was trapped in an underwater vortex for several months in 2024 but broke free in December and began heading toward South Georgia. As of now, the iceberg is just 173 miles (280 kilometres) from the island.

Its towering sides reach over 400 meters (1,300 feet) high, making it taller than the Shard in London. As it drifts, large pieces are likely to bre…

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