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.

Eventually, iceberg A23a will break up and enter the waters of South Georgia. With climate change accelerating, this is likely to happen sooner rather than later.

Iceberg A-23A, the world’s oldest and largest (about the size of Rhode Island), may hit South Georgia Island, home to vulnerable penguins and seabirds.

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.

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.

According to the British Antarctic Survey (BAS), the 3,600 square kilometer iceberg known as A23a broke off from Antarctica and was reportedly going adrift in the South Atlantic, probably towards ...

The movement of iceberg A23a towards South Georgia is monitored for potential ecological impacts, though it is unlikely to disrupt local wildlife significantly. This summary was automatically ...

It then began drifting toward South Georgia in 2020, but in late 2024 the iceberg got stuck within a Taylor Column, an oceanographic phenomenon where water spins objects while keeping them in ...

A23a megaberg: Game of Thrones style ice wall on course to hit British island. The world’s largest iceberg, stretching from horizon to horizon, is on course to hit South Georgia Island ...

A new satellite photo has revealed that the "megaberg," A23a, is beginning to break apart, spawning thousands of smaller ice chunks around the Antarctic island of South Georgia.