The World’s Largest Iceberg Is Disappearing | Filmed From Space in 4K | Iceberg A23a

Once the largest iceberg on Earth, Iceberg A23a is now breaking apart in the South Atlantic — and it’s being filmed from space. A23a calved from the Filchner–Ronne Ice Shelf in 1986 and remained grounded on the seabed of the Weddell Sea for more than 30 years due to its massive underwater keel. Around 2020, it began drifting north, accelerating to speeds of up to 20 km per day as it entered warmer, wave-driven waters. In early 2025, the iceberg ran aground near South Georgia Island, posing temporary risks to shipping and wildlife before rapidly disintegrating into smaller fragments, some still the size of cities. This close-up, captured from space by Sen, documents the end of A23a’s reign. Sen operates the world’s first continuous 4K livestream of Earth from space. 🌌 Subscribe for new 4K Earth videos every week. If you enjoy this view from orbit, consider liking, subscribing, and sharing to support Sen. 📡 WATCH EARTH LIVE This footage was captured during Sen’s 24/7 4K livestream of Earth from cameras on the International Space Station. Watch on our channel now. #EarthFromSpace #ISS #4KVideo #iceberg #iceberga23a #SenSpace #EarthIn4K #SpaceView #LiveFromSpace #PlanetEarth #ocean #atlanticocean