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Onikobe вулкан

Кальдера 769 m / 2,523 ft
Хонсю, Япония, 38.83°N / 140.7°E
Текущее состояние: (вероятно) вымерших (0 из 5) | Reports
Onikobe volcano books
Типичный извержения стиль: explosive
Onikobe Вулкан-извержения: about 200,000 years ago Нет недавних землетрясений
ВремяМагнитный / ГлубинаРасстояниеМестоположение
Onikobe volcano is a caldera SW of Kurikoma volcano in northern Honshu, Japan. It is probably extinct, but there are prominent geysers and hot springs in the caldera, known since about 1700 years ago.
In 1938 a new geyser (Benten geyser, or generally called Onikobe geyser) formed at a site where local residents had dug a borehole to create an onsen (hot spring).

Справочная информация:

Takahinata is a lava dome was last active about 350,000 years ago according to a fission-track date. Onikobe itself was active until about 200,00 years ago.
The caldera of Onikobe is one of the few calderas in Japan that show the classic pattern of ring fractures and a resurgent dome.
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Sources:
- GVP
- Nishimura, T., et al (2006) "Investigation of the Onikobe geyser, NE Japan, by observing the ground tilt and flow parameters", Earth Planets Space, 58, e21–e24 (eLetter)
- Nomura, J., and Arii, K. (1940) "Study on the new Fukiage geyser of Onikobe
Benten I", Current news of Saito-Hoonkai, No. 168, 1–19


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