A trillion-tonne iceberg called A68 broke away from the Larsen C Ice Shelf in 2017
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An enormous iceberg whose journeys were probably the most well-documented in history has now melted away to nothing in the Atlantic Ocean. A68 cracked off the Larsen C Ice Shelf on the Antarctic Peninsula in 2017 as one of the biggest icebergs ever. At the time it measured 2,240 square miles.