Iceberg A23a's origin goes back to 1986, when the Filchner Ice Shelf's leading edge broke off three icebergs. For decades, A23a was stuck to a sandbank in shallow waters.

The iceberg, dubbed A23a, is caught in the churn of a powerful ocean current and revolving slowly, at a rate of around 15 degrees per day, according to the British Antarctic Survey, which shared ...

However, A23a may not hold its size title for long, because as of May 16, it is only around 12 square miles (31 square km) larger than the next-biggest iceberg, D15A, according to the U.S ...

World's largest iceberg on the move after dislodging from ocean floor 04:09. The world's largest and oldest iceberg, named A23a, has run aground in shallow waters off the coast of South Georgia, a ...

T he largest and oldest iceberg in the world, named A23a, is on the move again after being stuck in a votex for months near the South Orkney Islands. It is now drifting in the Southern Ocean.

The iceberg, called A23a, was previously “trapped” spinning around an undersea mountain for several months, according to Andrew Meijers, a physical oceanographer at the British Antarctic Survey.

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.

The colossal iceberg known as A23a has been slowly spinning in one spot of the Southern Ocean since April. Here’s what experts have to say on the phenomenon.

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 ...

The biggest iceberg in the world has become trapped, traveling in a gigantic circle, and may be stuck there for years. The iceberg, named A23a, is about 1,640 square miles in area, slightly larger ...

A23a has held the “largest current iceberg” title several times since the 1980s, occasionally being surpassed by larger but shorter-lived icebergs, including A68 in 2017 and A76 in 2021.

However, A23a may not hold its size title for long, because as of May 16, it is only around 12 square miles (31 square km) larger than the next-biggest iceberg, D15A, according to the U.S ...