The iceberg has been closely monitored due to concerns that it may collide with South Georgia, "potentially threatening a delicate ecosystem," the NOAA warned.

A23a, the world’s largest and oldest iceberg, broke off Antarctica nearly 40 years ago. In 2020, it began to journey toward South Georgia.

A23a started to drift up through the Southern Ocean in 2020, when currents put it on a possible collision course with South Georgia. The iceberg and the island are about the same size in square miles.

What Animals Live on South Georgia Island? South Georgia Island is a remote and isolated place that is brimming with wildlife. It’s 1,200 miles east of Antarctica and is a British Overseas ...

An iceberg seen on NASA’s Aqua satellite, known as A23a, center, is visible as it heads toward South Georgia Island, top, on Jan. 15, 2025, off the coast of Antarctica. (NASA Worldview via AP) ...

The world's largest iceberg might be on a collision course for South Georgia Island. If it grounds on the continental shelf there, it could seriously disrupt wildlife and shipping in the area ...

An iceberg known as A23a, center, is visible as it heads toward South Georgia Island, top, on Jan. 15 off the coast of Antarctica. NASA Worldview ...

“South Georgia is an amazingly ecologically rich island. It’s a breeding ground for a huge number of penguins, millions of penguins and seals,” Meijers said.

By 1825, an estimated 1.2 million fur seals were slaughtered for their pelts; between 1904 and 1965 the six South Georgia whaling stations processed 175,250 whales for their profitable oil and ...