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.

The world’s largest iceberg is heading towards a remote British island and could threaten millions of penguins and seals that live there. The huge iceberg A23a measures almost 1,500 square miles, roughly twice the size of Greater London,

A23a, a massive iceberg nearly the size of Rhode Island, towering at 40 meters, is on a collision course with South Georgia.

The world’s largest iceberg is on a collision course with a remote British island, potentially putting penguins and seals at risk. The iceberg, A23a, broke free from its position north of the South Orkney Islands last month and is now heading towards South Georgia, where it could crash into the island.

The A23a iceberg broke away from Antarctica nearly 40 years ago and is now en route to smash into British territory South Georgia - posing a serious threat to penguins and seals

It’s also a natural process happening more frequently because of human-caused climate change, said British Antarctic Survey physical oceanographer Andrew Meijers, who examined the iceberg up close in December 2023 when it drifted past the research ship RRS Sir David Attenborough.

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.

Scientists around the world, as also fishermen and sailors, have their anxious eyes glued on satellite pictures as they are monitoring the daily movements of an iceberg touted to be the world's largest and also one of the oldest.