In this image from the Copernicus EU Sentinel-1 satellite mission, we can see the location of the ‘Halloween crack’ on Antarctica’s Brunt Ice Shelf, highlighted in red. The former and current locations of the British Antarctic Survey’s Halley research stations are also marked.
Discovered on 31 October 2016, the swiftly lengthening Halloween crack prompted the temporary withdrawal of staff from the Halley VI research station for the duration of the 2017 Antarctic winter. Information from the Copernicus Sentinel-1 and Sentinel-2 satellites helped in making this decision.
Download the full image and learn more: http://www.esa.int/spaceinimages/Images/2017/10/Halloween_crack
(Copyright: contains modified Copernicus Sentinel data (2017), processed by ESA, CC BY-SA 3.0 IGO)
