Volcanoes are the natural way that the earth and other planets cool themselves. Inside the planets are very hot, when there is a volcanic eruption, the internal heat will escape. When lava and gas escape, volcanic eruption occurs. Some volcanoes only work for a short time. Some exist for a long time, sometimes up to hundreds of thousands of years or several million years.

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Mauna Uli Fountains February 1972

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Maunaloa

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MaunaLoa

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MaunaLoa lava flow

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Northest Rift 9400 'Mauna Loa 1984

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Pahoehoe Flow 1986 Kalapana Cardens

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PPauahi Lava Lake with 20 'Rampart 1973

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Puu Oo in Repose 1986

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Puu Oo Lava Stream and Puu Halulu

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Roof Forming on Lava Stream December 1970

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Shild C-48 with Summit Lava Pond

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Skylight in Active Lava Tube 1986

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Small Fountain at Mauna Uli February 1972

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Summit and SW Rift 1971

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Vigorous Fountain and Lava Channel 1986

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Visitors Enjoys Summit Eruption -2 August 1971

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Stozek krateru na szczycie MaunaKea na tle MaunaLoa