• Question: how is eruptions formed

    Asked by dennis my cat to Reka on 9 Nov 2016.
    • Photo: Reka Nagy

      Reka Nagy answered on 9 Nov 2016:

      Magma (the molten metal and rock that lies beneath the surface of the Earth) builds up under the surface, building up a lot of pressure. If it finds a crack in the earth it can escape through, it does so, causing a volcanic eruption.

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