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Volcanic Eruptions




The pouring out of the magma or molten rock through ground surface is called a volcanic eruption .

  A loud rumbling noise precedes a volcanic eruption and the surrounding area experiences tremors .The ground temperature also rises in that area .

 At the time of eruption , the magma , steam , fragments of rock , dust , and gaseous substances are ejected with great force from beneath the ground surface through a pipe – like passage .

 The opening of this pipe on the earth’s  surface  is known as the vent which forms a crater . The lava which is thrown into the skyduring an eruption  , falls to the ground in the form of solid fragments .




Geography Project - Built by Group 1 ( roll no. 1 to 9 ) - VIII D - Dhanamal High School