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 …

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 …

On Jan. 22, 2025, NOAA’s GOES East satellite captured imagery of the world’s largest current iceberg, A23a, slowly drifting northeastward in the Southern Ocean.

Jan 23, 2025 · Spanning an area of 3,672 square kilometers (1,418 square miles) when measured in August — slightly smaller than Rhode Island and more than twice the size of London — the …

Aug 10, 2024 · The world's largest iceberg, A23a, is stuck again. For more than 30 years, the giant frozen block — equivalent to the size of Rhode Island — was grounded on the sea floor …

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 …

Dec 16, 2024 · 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 …

Jan 16, 2024 · Erosion is sculpting dramatic features in the world's biggest iceberg in what's likely to be the final months of its existence. A ship run by the Eyos expeditions company arrived at …

Dec 14, 2024 · The world's biggest iceberg is on the move again after being trapped in a vortex for most of the year. A23a is 3,800 sq km (1,500 sq miles), which is more than twice the size …

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 …