How Volcanoes Form

The formation of volcanoes explained in geological terms: an animation depicts Iceland on the mid-Atlantic ridge, a great fault lying between the Americas and Africa; the Earth's surface is divided into plates; the plates move across the Earths surface causing continental drift; an animation shows a cross-section of the Earth, each layer is described and named, the theory of plate tectonics is introduced; an animation demonstrates the constructive and destructive elements of plate tectonics and how volcanoes are formed along plate boundaries; an animation of 'hot spot' volcanoes forming on the Pacific plate, Mount Kilauea, Hawaii being a good example.

Ash cloud threatens fruit company A company that imports fresh fruit fears for its business as volcanic ash continues to ground flights. Ash cloud leaves pupils stranded Ash cloud grounds flights Ash 'a very serious risk'

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