Mount Usu
Mount Usu (有珠山, Usu-zan) is an active stratovolcano in the Shikotsu-Toya National Park, Hokkaidō, Japan. It has erupted four times since 1900: in 1910, 1944–45 (which created Shōwa-shinzan), August 7, 1977, and on March 31, 2000. To the north lies L…