World’s Largest, Oldest Iceberg Runs Aground Near Antarctic Island Antarctica Earth Science Icebergs oceans Uncategorized World’s Largest, Oldest Iceberg Runs Aground Near Antarctic Island admin March 4, 2025 The behemoth A23a calved in 1986 and has been drifting across the Southern Ocean for the last... Read More Read more about World’s Largest, Oldest Iceberg Runs Aground Near Antarctic Island