Scientists found that a fracture at Pine Island Glacier opened at 80 mph.

 Pine Island Glacier was thinning earlier than most Antarctic ice shelves, according to Miles and Bingham's research.  

 Just 15% of the 600 or so pinning points the researchers observed between 1973 and 1989 experienced a reduction in size, including those on Pine Island Glacier.  

 Between 1990 and 2000, that percentage increased to 25%, and between 2000 and 2022, it increased to 37%.  

 The ice shelf of Pine Island Glacier in January 2024 is seen in the image above, which was taken with Landsat 9's OLI-2 (Operational Land Imager-2) instrument.   

 By then, there was apparent broken ice along the southern edge, and the smooth, thinning shelf had lost more ice at its front and northern boundary.  

 Pine Island Glacier's capacity to buttress ice has already been reduced since it is at or close to the point when it is fully unanchored.  

 are exhibiting signs of rapidly losing their anchors may be the "greater concern.  

NASA Pine Island Glacier in West Antarctica's highly vulnerable Amundsen Sea Embayment a 2014 rift was under study by .

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