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| The Soufrière Hills Volcano
began its eruption on the 18 July 1995. Find and select the 3 hotspots on
the map of Montserrat to discover what caused the eruption. |
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Before an eruption,
magma gathers under the volcano until the pressure is so great that it is
forced up through cracks to the surface of the earth. Soufrière Hills Volcano
produces a thick sticky lava called andesite. It builds up at the top of
the volcano in a dome until it becomes so heavy that it collapses into pyroclastic
flows. A mixture of hot rocks, gases and ash flow down the side of the volcano
at extremely high speeds, similar to an avalanche.
Click here to find out more.
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After
exploring all 3 hotspots, print the summary and select Impact.
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