It covers 3,500 km², two times the size of Greater London A23a, world’s largest iceberg 100 km 82 km Iceberg A23a South Pole Atlantic ocean South Georgia The Barron's news department was not involved in the creation of the content above.

Iceberg A23a is on a collision course with the remote British island of South Georgia, which provides an Antarctic haven for penguins and seals.

A23a, a massive iceberg nearly the size of Rhode Island, towering at 40 meters, is on a collision course with South Georgia.