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",
Amirani (volcano) Amirani (volcano) Amirani is an active volcano on Jupiter's moon Io, the inner-most of the Galilean Moons. It is located on Io's leading hemisphere at . The volcano is responsible for the largest active lava flow in the entire Solar System, with recent flows dwarfing those of even other volcanos on Io. The volcano was first observed in images acquired by the "Voyager 1" spacecraft in March 1979. Later that year, the International Astronomical Union named this feature after a Georgian fire god, Amirani. Amirani is about the same age as Jupiter, which is around 4.5 billion years old. It