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Sanbe volcanoSanbe (Sambe, Sanbe-san) volcano is a complex stratovolcano in SW Honshu, along the Japan Sea coast. It contains a small 1 km diameter caldera. Its summit at the northern end of the complex is called O-Sanbe.
A well-known feature are the Sanbe-onsen Hot Springs, said to promote longevity. Other thermal springs in the area include Yukai-onsen, Koyahara-onsen, and Ikeda Radium-onsen.
Sanbe volcano is part of the Daisen-Oki National Park.
Background:Sanbe volcano is a complex of 7 volcanic centers of dacitic-to-andesitic composition at the northern end of the complex. Sanbe has had several large explosive eruptions during the Pleistocene and one strong Holocene eruption from Taihei-zan lava dome about 3700 years ago. This eruption was accompanied by pyroclastic flows that swept down the NE-to-SE flanks and traveled 9 km down the Hayamizu River to the SW. Younger, undated eruptions have also occurred (Machida and Arai, 1992).
- Machida H, Arai F (1992) "Atlas of tephra in and around Japan", Tokyo: Univ Tokyo Press, 276 p
- Smithsonian / GVP volcano information