Volcanic eruption is the result of precipitation events that occur within the bowels of the earth magma is forced out of pressurized gas.
Magma is the liquid contained in the fluorescent layer of earth with a very high temperature, ie, estimated at more than 1000 ° C. Liquid magma that comes out of the earth is called lava. Temperatures could reach the lava issued 700-1200 ° C. Volcanic eruptions that brought rock and ash can be sprayed as far as a radius of 18 km or more, while lavanya be flooded as far as 90 km radius.