Bouvet Island additional quotas were awarded from 2008 for a total catch of . There is a controversy as to whether the fisheries are sustainable, particularly in relation to krill being important food for whales. In 2009, Norway filed with the UN Commission on the Limits of the Continental Shelf to extend the outer limit of the continental shelf past surrounding the island. The "Hanse Explorer" expedition ship visited Bouvet Island on 20 and 21 February 2012 as part of "Expédition pour le Futur". The expedition's goal was to land and summit the highest point on the island. The first four climbers
Thompson Island (South Atlantic) in the 1890s, though in 1997 it was reported that the sea depth at the supposed location is greater than , rendering the existence of a submarine volcano all but impossible. Thompson Island continued to appear on maps published as late as 1943. Thompson Island (South Atlantic) Thompson Island was a phantom island in the South Atlantic. According to the Global Volcanism Program, it was thought to be about north-northeast of Bouvet Island, a small Norwegian dependency between South Africa and Antarctica. The island was first reported and named by whaling ship captain George Norris in 1825. The last reported