ナショナルジオグラフィックのインスタグラム(natgeo) - 4月8日 05時09分

Video by @michaelchristopherbrown.
The world's largest lava lake is located inside Mount Nyiragongo, an active stratovolcano in Virunga National Park, Democratic Republic of the Congo. According to Wikipedia, Nyiragongo's lava lake has at times been the most voluminous known lava lake in recent history. The depth of the lava lake varies considerably. A maximum elevation of the lava lake was recorded at about 3,250 m (10,660 ft) prior to the January 1977 eruption - a lake depth of about 600 m (2,000 ft), as a recent low elevation of the lava lake was recorded at about 2,700 m (8,900 ft). Nyiragongo and nearby Nyamuragira are together responsible for 40% of Africa's historical volcanic eruptions.

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