An enormous iceberg, roughly equivalent in size to Greater London, has calved from the Antarctic ice shelf near a British research station. The British Antarctic Survey reported on Friday that the massive 1,270 square km (490 square m) block had broken off from the 150-metre-thick Brunt Ice Shelf, which had been showing signs of cracks for almost a decade. However, on Friday, a crack in the ice rapidly widened by several hundred metres before breaking off completely. Scientists first noticed the incident in November, but it wasn’t until January that the rift began moving forward at a rate of up … Continue reading London-Sized Iceberg Calves from Antarctic Shelf Near British Research Station