Dec 1, 2023 · Recent satellite images have shown the migration of the mammoth iceberg known as A23a from its origins in the Weddell Sea to its current position on the edge of the open ocean. If icebergs...

A23a is a large tabular iceberg which calved from the Filchner–Ronne Ice Shelf in 1986. It was stuck on the sea bed for many years but then started moving in 2020. As of January 2025, its area is about 3,500 square kilometres (1,400 sq mi), which makes it the current largest iceberg in the world. [2] [3] [4]The base Druzhnaya I, which was originally established on the Filchner–Ronne Ice ...

Welcome to the journey of Iceberg A23a, a colossal piece of ice that broke away from the Filchner Ice Shelf in Antarctica in 1986. For over three decades, A23a remained anchored in the Weddell Sea, but recent shifts in ocean currents have set it on a significant migration path.

Dec 20, 2024 · About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into open Antarctic waters.

A23a is now following a path that exports so much of Antarctica's floating ice - what scientists refer to as "iceberg alley". It’s a path to destruction.

Dec 16, 2024 · The world’s largest iceberg is on the move again, drifting through the Southern Ocean after months stuck spinning on the same spot, scientists from the British Antarctic Survey (BAS) have said.

Nov 24, 2023 · A23a is a true colossus, and it's not just its width that impresses. This slab of ice is some 400m (1,312 ft) thick. For comparison, the London Shard, the tallest skyscraper in Europe, is a...

Dec 14, 2024 · It is thought A23a will eventually leave the Southern Ocean and enter the Atlantic Ocean where it will encounter warmer waters and likely break up into smaller icebergs and eventually melt. Dr...

Nov 27, 2023 · Known as A23a, the iceberg has now floated beyond the northernmost point of Antarctica and is on its way to melt in warmer waters. Where is the iceberg now? It is just north of the tip of the...

Nov 26, 2023 · LONDON (AP) — One of the world’s largest icebergs is drifting beyond Antarctic waters, after being grounded for more than three decades, according to the British Antarctic Survey. The iceberg, known as A23a, split from the Antarctic’s Filchner Ice Shelf in 1986.