Author: Brandon A. Weber / Source: Big Think
- It’s the same glacier that calved in September 2017, losing an iceberg 4.5 times the size of Manhattan.
- The size of this one, however, is about 15% bigger than the last. It’s the sixth large-calving event from this glacier since 2001.
- The irreversible collapse of the West Antarctic ice sheet would raise sea levels 20 feet, says the UN.
The Pine Island Glacier (a.k.a. PIG)

Photo by Mario Tama/Getty Images.
The area of the iceberg poised to calve off the Pine Island Glacier is about 115 square miles, or 300 square kilometers.
About one year ago, in Antarctica, the Pine Island Glacier calved an iceberg about 100 sq. miles in size—4.5x the size of Manhattan.
It’s about to do it again—and this one is 15% bigger than the last, at 115 square miles.
“As the planet warms from 1.5°C to 2°C, the risks grow rapidly…
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