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Greenland Glacier Break Creates New Ice Island the Size of Manhattan
gizmodo.com • • science
Key Points:
- A massive iceberg, roughly the size of Manhattan and up to 492 feet thick, has broken off from Greenland’s Petermann Glacier, marking the largest loss of floating ice from the glacier since 2012.
- The ice island detached from the glacier’s 43-mile-long floating ice tongue, which has been closely monitored via satellite since 2019 due to signs of instability and fractures.
- Researchers expect at least two more significant calving events soon, which together with the recent break will reduce the glacier’s ice tongue by about 22%.
- Arctic ice islands like this one are rare compared to Antarctic icebergs, and studying them provides valuable insights into polar ice dynamics across both hemispheres.
- As these large ice masses drift into the ocean, they pose navigation and safety risks to vessels and offshore operations, prompting ongoing satellite and aerial monitoring by scientists.
