The volcanic activity is a way with which the internal energy and heat of the Earth release. The effect of volcanic eruption on the environment on which huma n being exist are disaster effect and resources effect. The volcanic eruption is one of the natural hazards. Volcanic eruption not only endangers human being bu t also induce some secondary or longterm hazards. Lava flows, pyroclastic fl ows , lahars and volcanic tsunamis are the major hazards that threaten the life and property of the people. The volcanic activity also provides a wealth of minerals ,geothermal energy and beautiful landscape.