The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
Yotei volcano (羊蹄山 Yōteizan) is a symmetrical andesitic-to-dacitic stratovolcano NW of Usu volcano on southern Hokkaido, Japan. The summit contains a 700 m wide crater and its flanks are cut by deep erosion gullies. The last eruption of the summit crater was about 5-6000 years ago. Hangetsu-ko (Half Moon Lake) is a tuff cone on the lower NW flank of Yotei. It erupted ca 3000 years ago.
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