A massive piece of the Brunt Ice Shelf — a chunk about the size of two New York Cities — has broken free of Antarctica.
It was the first time in human history that Antarctica had such a collapse. It happened after anThis map of Antarctica shows the location of various Antarctic ice shelves.But according to BAS glaciologist Dominic Hodgson, the latest iceberg break-off from Brunt"is not linked to climate change."
"This calving event has been expected and is part of the natural behavior of the Brunt Ice Shelf," Dodgson said. A major crack in the Brunt shelf, known as a chasm, had been dormant for decades, but in 2012, scientists detected a major change. It was continuously growing starting in 2015, and by December last year, researchers said it"extended across the entire ice shelf." The last one, known as A74, formed in February 2021 – not even 5 years after a new crack known as the Halloween Crack formed. It's slightly smaller than the latest break-off, and has since drifted away into the Weddell Sea.
The newest iceberg will be named by the U.S. National Ice Center. Researchers believe that it will likely follow A74's path into the sea.
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