In 2020, it began to journey toward South Georgia. As the island is home to a plethora of biodiverse species, South Georgia’s future was in question as A23a barreled toward it for almost five years.

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.

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.

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.

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 biggest iceberg in the world, named A23a, appears to have run aground off the island of South Georgia.

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.

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 ...

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.

After a leisurely five-year journey, the ginormous iceberg A23a appears to have run aground near the Southern Ocean’s South Georgia Island, according to the British Antarctic Survey.