Causes of volcanic eruption is the tremendous heat buildup. The area below the ground causes a magma Steam and gas accumulated is increasing, which produces heat and high pressure. When the bombs come out. Explosive severity rate depending on pressure and viscosity of the lava. The occurrence of volcanic eruption is a natural disaster a serious one. The eruption of a volcano, it is shown that under the surface of our planet to go down one level. Heat buildup is especially called the hot spot. The area around the molten rock is called magma. When it is sprayed up to the crack, or crater, called lava, as in the case of a disaster that occurred in the country of Colombia. In the year 2007.
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