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

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.

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,