The Larsen C ice shelf break has sparked groundbreaking research

Anticipation of one of the biggest rifts ever detected reached a fever pitch in summer 2017

Larsen C ice shelf break

WIDENING GULF   A Delaware-sized iceberg calved when a crack in the Larsen C ice shelf reached the Weddell Sea this year. In this satellite image from September, rifts are visible in the ice and clouds cast a shadow on the new iceberg.

NASA Earth observatory, joshua stevens, Landsat data, USGS

In 2015, glaciologist Daniela Jansen reported that a large rift was rapidly growing across one of the Antarctic Peninsula’s ice shelves, known as Larsen C.