Iceberg B-22A, which first broke off from Antarctica's Thwaites Glacier in 2002, is finally moving away from the South Pole after being freed from its seafloor tether.
An enormous iceberg that first broke off Antarctica's"Doomsday Glacier" more than 20 years ago is finally waving goodbye to the icy continent after being freed from the seafloor, which had trapped the ice chunk in place for over a decade.
After breaking free from the glacier in the early aughts, B-22A floated freely just off the Antarctic coast until it got caught on a raised section of the seafloor in 2012. The berg became stuck around 32 miles from where it was birthed, meaning it averaged a pitiful 1.6 miles of movement per year, which is one of the slowest average crawls of any iceberg on record, according to NASA .
Scientists are particularly concerned about B-22A venturing away from Antarctica because it may impact the stability of the Thwaites Glacier.
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