For over 30 years, the A23a iceberg stayed anchored to the Antarctic Weddell Sea floor before it shrank and lost its grip on the seafloor which turned it into a massive floating fragment of ice. The ...
The mega-iceberg, known as A23a, is twice the size of Greater London and broke off the Filchner Ice Shelf in Antarctica in 1986 before running aground for 30 years. It became dislodged from the ...
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