volcanic eruption Archive

What causes the super Volcano to erupt?

The volcanic eruptions are oozing out of magma from the earth core. What is magma? What causes it to explode? What are the factors responsible for volcanic eruptions?  Magma is formed by the melting of earth’s upper mantle and lower mantle. During the volcanic eruptions the magma contains some dissolved gasses. Volcano is nothing but the opening or crack through which this magma flows out. This volcano eruption occurs due to three main reasons: pressure from the gasses dissolved in magma, the buoyance of the magma and entry or collection of more and more magma in the existing region. How