Credit: MARTIN JAKOBSSON
A CRACK IN PETERMANN ICE SHELF OBSERVED BY AN INTERNATIONAL TEAM OF SCIENTISTS DURING THE ODEN EXPEDITION IN 2019. THESE CRACKS CAN EVENTUALLY GROW ACROSS THE ENTIRE ICE SHELF, LEADING TO THE RELEASE OF LARGE ICEBERGS TO THE OCEAN AND POTENTIALLY BREAKUP OF THE ICE SHELF. PHOTO: MARTIN JAKOBSSON