It covers 3,500 km², two times the size of Greater London A23a, world’s largest iceberg 100 km 82 km Iceberg A23a South Pole Atlantic ocean South Georgia The Barron's news department was not involved in the creation of the content above.

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Iceberg A23a, one of the world's largest icebergs, is drifting toward South Georgia, posing potential risks to wildlife and sailors.

The world's largest iceberg, A23a, is on a crash course towards South Georgia, threatening millions of penguins and seals.

World's largest iceberg, A23a, is drifting towards the British island of South Georgia. A23a has been monitored for 30 years, since it first calved from Filchner ice shelf in Antarctica.

If A23a, an Antarctic iceberg the size of Rhode Island, grounds off South Georgia Island, it will create a hazard for wildlife and ships alike.