As the glacier stretches and thins, it becomes more prone to rifts that can break and form icebergs.
This @nasa @usgs #Landsat 8 image shows a rift on the floating ice tongue, acquired on May 14, 2023. https://go.nasa.gov/43bj6ra
#NASAEarth
Retreat at Petermann Glacier
Decades of retreat are visible from above, but harder-to-see changes below the waterline could also affect this iconic glacier’s future.go.nasa.gov