- The world's largest iceberg, A23a, has disappeared after nearly four decades.
- Once covering an area almost twice the size of London and weighing nearly one trillion tonnes, its final fragments have broken apart and melted, becoming too small to be detected by satellites.
- A23a originally calved from Antarctica's Filchner-Ronne Ice Shelf in 1986 and remained grounded on the seafloor for decades before beginning to drift in recent years. Its breakup was influenced by the interaction of ocean currents, warmer waters, wave action and meltwater processes. Read More
Antarctic Cryosphere
Context
About
