This exciting poster features an opening description of volcanoes, volcanism and the effects of each, as well as a central labelled diagram of an erupting volcano. Further diagrams show the movement of tectonic plates, the location of active volcanoes across the world and major eruptions of the past 200 years. These are supported by stunning photographs, including images of a river of lava flowing from Mount Etna, a plaster cast of a Vesuvius victim from AD 79, a giant ash cloud from the 1980 eruption of Mount St Helens, and the Pohutu geyser in New Zealand. Information is given under the headings: active, dormant or extinct?; what causes an eruption?; types of eruption; volcanoes and plates; where volcanoes happen; mud and hot water; risk to life; magma and lava; shields and cones; volcanoes in Italy; Atlantis; other worlds.
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