Volcano Islands uninhabited. The first recorded sighting by Europeans was in October 1543 by Spanish navigator Bernardo de la Torre on board of carrack "San Juan de Letrán" when trying to return from Sarangani to New Spain. Iwo Jima was charted as Sufre, the old Spanish term for sulphur. The islands were uninhabited until 1889, when the two northern islands were settled by Japanese settlers from the Izu Islands. They were annexed by Japan in 1891. The population was about 1,100 in 1939, distributed among five settlements: Higashi, Minami, Nishi, Kita and Motoyama (meaning "East", "South", "West", "North" and "Mountain of Origin",
Japanese settlement in the Marshall Islands reportedly explored some of the nearby atolls before paying a visit to Labon Kabua, one of the principal chief in the Marshall Islands. Before Goto and Suzuki returned for Japan, they induced Kabua to raise the Japanese flag over his house at Ailinglaplap. The Japanese government subsequently ordered the two envoys to return to the island to haul down the flag upon the envoys' return. During the German colonial era, there were occasional reports of Japanese fishermen making landfalls in the atoll, and there was at least one other incident which Japanese fishermen were also killed by the islanders. A