Crack in Antarctica’s Larsen C ice shelf forks

Larsen C ice shelf

CRACKED OPEN  A new rift has branched out from the 180-kilometer-long crack (shown) along Antarctica’s Larsen C ice shelf, new satellite maps reveal. While the main crack hasn’t lengthened since mid-February, scientists estimate that it widens by more than a meter a day.

John Sonntag/NASA

The 180-kilometer-long crack threatening one of Antarctica’s largest ice shelves has branched out, new satellite observations reveal.