Last updated on April 24, 2014 at 10:11 EDT
New Calving Front of Petermann Glacier
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New Calving Front of Petermann Glacier

April 29, 2013
The calving front of Petermann Glacier in northern Greenland as seen from the NASA P-3B. In July 2012 an iceberg twice the size of Manhattan broke off of Petermann Glacier and began to float away in the ocean. After this calving event the line where the iceberg broke away became the glacier's new front edge, or calving front, effectively moving it several kilometers upstream. Several valley glaciers are now flowing into the fjord, covered by sea ice. Credit: NASA / Michael Studinger