Currently, the gigantic iceberg A23a is moving toward the South Atlantic Ocean and will strike South Georgia Island in two to four weeks.

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 trillion-ton slab of ice named A23a could slam into South Georgia Island and get stuck or be guided around it by currents.

Credit: UK MOD Crown copyright/Cover Images A group of British scientists have photographed and filmed the world’s largest iceberg, A23a, after it began to move again after almost four decades stuck to the ocean floor.

Environmentalists fear for the island's rare king penguins and millions of elephant and fur seals if iceberg collides.

The mega-iceberg poses a significant threat to South Georgia Island a remote wildlife haven. The world's largest iceberg, A23a, is drifting toward South Georgia Island, a remote and ecologically vital wildlife haven.

The world's largest iceberg, A23a, is on a collision course with South Georgia Island, raising alarms for local wildlife. Penguins and seals may face starvation as the massive ice block disrupts access to their feeding grounds.