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Geological Map of Nasu Volcano

to Japanese

Takahiro YAMAMOTO and Masao BAN

Nasu.JPG
Chausudake volcano(right) and Asahidake volcano(left).

The Nasu Volcanic Group is located in northeastern Honshu, about 160 km north of Tokyo. It conslsts. from north to south, of five composite volcanoes: Kasshiasahidake, Sanbon-yaridake, Asahidake, Chausudake, and Minamigassan. Chausudake Volcano is the only active volcano having historical eruption records and active fumaroles. According to a document written in the 15th century, 180 people were killed by the 1410 eruption. The last minor eruption occurred in 1963. Recently, this field has been highly developed as a sightseeing spot; there are many spa resorts and cottages around the volcano. Furthermore, many people ascend to the summit of Chausudake Volcano using a cableway, except for the winter season, when conditions are hazardous.

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