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 occupation of the Andaman Islands Colonel Bucho, whilst a number of junior Indian officials in the administration were elevated to more responsible posts. The defence of the islands was assigned to the newly formed fighter squadron of the Kanoya Kōkūtai based at Tavoy in southern Burma. This fighter squadron was the former "Yamada Unit" under the control of the 22d Koku Sentai, then based at Penang. Six flying boats from the Toko Kōkūtai were dispatched on March 26, with twelve more arriving shortly thereafter. Within the islands a Japanese garrison of approximately 600 men, together with the police force, now under Japanese control, were responsible