You may have recalled reading about the Larsen C ice shelf being on the brink of breaking off and becoming a massive iceburg, well that time has come! RT reports: One of the largest icebergs ever recorded has been created after breaking free from an ice shelf in Antarctica. The more than 1 trillion metric ton mass of ice calved sometime between July 10-12 and is now adrift off the coast. Larsen C – first an ice shelf and now an iceberg – is the third largest such structure in history, some 5,800 sq km in size, making it twice the size of Luxembourg and almost four times larger than the Greater London area. The volume of water comprising the iceberg is twice that of Lake Erie, one of North America's five Great Lakes. The calving comes one week after Project Midas, a group of scientists from Welsh universities in Swansea and