Washiba-Kumonotaira Volcan, Honshu (Japan)

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Washiba-Kumonotaira volcan

shield volcanoes 2924 m / 9,593 ft
Honshu, Japon, 36.41°N / 137.59°E
Condition actuelle: en sommeil (1 sur 5)

Style éruptif tipique: effusif
Eruptions du volcan Washiba-Kumonotaira: less then 12,000 years ago
Derniers séismes proches:

Time	Mag. / Depth	Distance	Location
Wed, 22 May
Wed, 22 May 11:56 UTC	M 1.3 / 16 km	22 km	長野県北部 (The northern part of Nagano Prefecture)
Wed, 22 May 09:44 UTC	M 0.5 / 17 km	22 km	長野県北部 (The northern part of Nagano Prefecture)
Wed, 22 May 09:43 UTC	M 0.3 / 18 km	23 km	長野県北部 (The northern part of Nagano Prefecture)
Wed, 22 May 09:23 UTC	M 0.5 / 9 km	25 km	長野県中部 (Nagano Prefecture, Central Japan)
Wed, 22 May 09:07 UTC	M -0.4 / 10 km	40 km	長野県中部 (Nagano Prefecture, Central Japan)

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Washiba-Kumonotaira volcano in the Northern Japan Alps is a group of small shield volcanoes and possible lava domes. The volcanoes are located in a remote part of the Chubu Sangaku National Park.
The last activity was from Washiba-ike volcano less than 12,000 years ago.

Introduction:

Iwagokekodani is one of the oldest volcanoes of the Kumonotaira complex and was active from about 1-0.9 million years ago. The younger Kumonotaira volcano was active about 300-100,000 years ago.
Washiba-ike is an explosion crater that formed after the last glaciation, with tephra deposits containing accretionary lapilli and fresh volcanic bombs.

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