Lava lake
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Lava lakes are large volumes of molten lava, usually basaltic, contained in a volcanic vent, crater, or broad depression. The term is used to describe both lava lakes that are wholly or partly molten
Lava lake at Nyiragongo Volcano in a molten state. (Democratic Republic of the Congo)
Lava lake at Erta Ale Volcano, Ethiopia.
The lava lake of Halemaʻumaʻu at Kīlauea, Hawaiʻi, United States).
Lava lake in Marum crater, Ambrym, Vanuatu.
Mount Mihara
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Mount Mihara is an active volcano on the Japanese isle of Izu Ōshima. Although the volcano is predominantly basaltic, major eruptions have occurred at intervals of 100–150 years.
Volcanic peak of Mount Mihara
Mount Mihara summit