Antarctica just shed a Manhattan-sized iceberg, and a bigger one is coming soon

An iceberg the size of Manhattan has cleaved off of Antarctica’s rapidly melting Pine Island Glacier on the southwest coast of the continent. NASA released the new data showing the iceberg’s birth on Feb. 15, though the imagery was acquired between Jan. 26 and Jan. 31. 
The agency says “about a kilometer or two of ice” broke off the glacier’s floating ice shelf during this period, making it a large iceberg but comparitively small in the recent history of this p