This document discusses 9 active volcanoes located in southern Japan on the island of Kyushu. The volcanoes discussed are Tsurumi, Kuju, Aso, Unzen, Fukue-jima, Kirishima, Sumiyoshi-ike, Sakurajima, and Ibusuku. Key details provided on each volcano include their type, location, eruptive history, and notable features. The largest, Aso volcano, contains one of the world's largest calderas, measuring 25 km by 18 km. Sakurajima volcano near Kagoshima city is considered one of the most active in the world, frequently erupting and depositing ash on the city.