A volcanic eruption occurs when any molten rocks open through the surface of the planet. Learn the reason behind volcano eruption @Byju's.
a volcano mountain is formed by the surface eruption of magma from within the earth’s upper mantle. the magma that erupts to the surface forms a lava flow that deposits ash. as the volcano continues to erupt, a new layer of lava is added to the surface, accumulating to form a mountain...
volcano eruption eventually hardens, and the next eruption flows over and hardens on top of the previous one. over time, the multiple eruptions of shield volcanoes build up, one on top of the other, giving rise to a shield volcano. this process creates a gradual increase in elevation over ...