The world's largest iceberg, A23a, is drifting towards the wildlife haven of South Georgia, where it may cause problems for the resident penguins

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.

This is not the first time an iceberg has posed a threat to South Georgia. In 2004, iceberg A38 "grounded on its continental shelf, leaving dead penguin chicks and seal pups on beaches as massive ice chunks blocked their access to feeding grounds,

The world’s largest iceberg, A23a, is heading north from Antarctica toward South Georgia, a British Overseas Territory in the southern Atlantic Ocean. In the past, giant icebergs grounding near South Georgia have caused devastating consequences,

The trillion-ton slab of ice that scientists call a "megaburg" broke off from the Antarctic’s Filchner Ice Shelf in 1986. Scientists catalogued it under the name A23a. It was stuck at sea for decades but confirmed to be moving again more than a year ago.

The world’s largest iceberg is still on the move and there are fears that it could be headed north from Antarctica towards the island of South Georgia.

A giant iceberg, one of the largest ever recorded, is drifting dangerously close to the remote island of South Georgia, raising fears for its fragile ecosystem. The A23a iceberg, an ancient behemoth that broke free from Antarctica decades ago,

World's Largest Iceberg On Collision Course With South Georgia's Penguins. The world’s largest iceberg is on a collision course with penguins in the British Overseas Territory of South Georgia. Images of the A23a iceberg taken from an RAF Atlas A400M aircraft as it flew a routine operation over the South Atlantic show the iceberg looming towards the geologically important island.