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Hiuchi
Hiuchi is a stratovolcano in Nikko National Park, Japan, 140 km from Tokyo. The volcano rises above Lake Ozenuma. ==Morphology== Hiuchi initially formed around 350,000 years ago. Around 160,000–170,000 years ago, Hiuchi erupted, creating a large pyroclastic flow deposit. At the summit of the volcano lie two lava domes, Akanagure and Mi-ike. Akanagure, the southern dome, produced a series of viscous lava flows that flowed down the southern and western parts of the volcano about 3500 years ago. Mi-ike is responsible for the only recorded activity.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Hiuchi」の詳細全文を読む
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