Iki Volcanic Group

sopka (bez známé erupce za posledních ~12 000 let), Japan, Western Pacific Volcanic Regions

Kde

Japan, Western Pacific Volcanic Regions

Typ (GVP)

Pyroclastic cone(s)

Nadmořská výška

213 m

Poloha

33,738°, 129,712°

A group of pyroclastic cones on Iki Island NW of Kyushu was active from the Pliocene to about 600,000 years ago (Nakano et al., 2001). However, volcanic activity here began around 15 Ma as the back-arc basin began to open, producing mostly basaltic lavas (Kimura et al., 2005). The Iki volcanic group is part of a Quaternary alkaline province in northwestern Kyushu; the volcanic compositions range from basaltic to rhyolitic (Aoki and Oji, 1966).

Text: Smithsonian Global Volcanism Program.

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