New crack in the Brunt Ice Shelf

A new crack has been spotted in the portion of the floating ice shelf north of the McDonald Ice Rumples, which may prompt the calving of multiple bergs. The extent of this new crack can be seen the top of the image. The temporal change locations of the new crack come from visual interpretation of Copernicus Sentinel-1 and Sentinel-2 images. The lengthening of the other two main cracks in the ice shelf, separated only by a few kilometres, have been closely monitored by satellite imagery. Chasm 1, the large crack running northwards has been set in place for more than 25 years, while the Halloween crack was first spotted on 31 October 2016.

Read full story: Is Brunt on the brink?