Iwo-Tori-shima volcano (also known as Okinawa-Tori-shima), forms a small 1x2,7 km island located north of the largest island of the Ryukyus, Okinawa.
Records of historical eruptions dating back to 1664 have consisted of mild-to-moderate explosive activity. Iwo-dake, the volcano forming the NW part of the island, has a small lake, solfataras, and sulfur deposits that were mined in the past.
The name part Tori-shima ("Bird Island") is common for small offshore islands in Japan.
Iwo-Tori-shima is composed of 2 andesitic volcanoes: a volcanic edifice on the SE end with 2 nested sommas occupied by the Kusuku lava dome, and Iwo-dake, the NW-most volcano.
