VOLCANOES Question 1/5 What is a Volcano? Of the two major types of Volcanoes, andestic and basaltic, the two typical volcanoes begin life when a mass of low-density magma forces its way to the surface. When the density of the rising magma is the same as that of the surrounding rock, it gathers in a magma chamber. Any rise in pressure in the chamber may now push the magma upwards through cracks in the overlying rock. …
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showed last 75 words of 444 total
…no eruptions at all. That could be because all the volcanoes are dormant or there are simply no volcanoes at all. Question 5/5 When have Eruptions occurred? In 1815, the most devastating eruption ever recorded, killed approximately 92 000 people. 10 000 people died directly from the volcano and a further 82 000 died from famine. The volcano is located at Tambora, Sumbawa in Indonesia. Recently a volcano erupted in Monserrat, West Indies. It devastated farms, houses and streets became rivers of lava.