One of Japan's largest active volcanoes, Aso-san, lies on this southernmost of the country's 4 main islands
.... Beppu, 
founded on April 1, 1924, is famous for its thousands of onsen (hot ... Mount Aso (
, Aso-san) is the largest active volcano in Japan, and is among the largest 
in... [DOC] [TLE] A Wedge of Worry  Aso Caldera (NDVP #4) | VolcanoCafe [PAR] Sep 4, 2015 ... Japan consists of three main islands: Hokkaido in the north, Honshu (the main 
island) ... Aira hosts the highly active volcano Sakura-Jima on its edge.