The next landing occurred on 10 February 1948 by Larsen's ship Brategg. Biological, geological and hydrographic surveys underwent for three days, before the pack ice forced the expedition to leave. The expedition built a hut and placed a copy of the document of occupation from 1929 inside. On 23 June 1961, Peter I Island became subject to the Antarctic Treaty, after Norway's signing of the treaty in 1959.Barr (1987): 79 Since then, there have been several landings on the island by various nations for scientific investigations, as well as a limited number of ships that have successfully landed tourists on the island.
The next landing occurred on 10 February 1948 by Larsen's ship Brategg Biological geological and hydrographic surveys underwent for three days before the pack ice forced the expedition to leave The expedition built a hut and placed a copy of the document of occupation from 1929 inside On 23 June 1961 Peter I Island became subject to the Antarctic Treaty after Norway's signing of the treaty in 1959Barr (1987) 79 Since then there have been several landings on the island by various nations for scientific investigations as well as a limited number of ships that have successfully landed tourists on the island