As a precautionary measure, officials with the British Antarctic Survey have decided to shut down the Halley VI Research Station for the winter after a new ice crack emerged just a few miles from the remote outpost.
The portable Halley VI station is now in the final stages of being relocated 14 miles (23 km) from its present site, positioning it upstream of a problematic ice crack that appeared in 2012. Late last year, a second crack emerged about 10 miles (17 km) north of the research station. The remote science outpost rests on Antarctica’s 500-foot (150-meter) thick Brunt Ice Shelf, which is showing signs of an imminent collapse. Antarctic ice shelves calve at irregular intervals, producing large icebergs. The remaining ice shelf is often unstable.
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