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Volcanic eruption is an event that occurs due to sediment of magma in the bowels of the earth that is driven out by a high pressure gas.
Magma is a fluid contained in a layer of earth with a very high temperature, which is estimated at more than 1,000 ° C. magma fluid that comes out of the earth is called lava. The temperature of lava released can reach 700-1200 ° C. Volcanic eruptions that carry rocks and ash can spray up to a radius of 18 km or more, while the lavas can flood as far as a 90 km radius.
not all volcanoes often erupt. The volcano that often erupts is called an active volcano ..