Question

What happens before a Volcanic Eruption?​

Answer 1

Answer:Notable precursors to an eruption might include:

An increase in the frequency and intensity of felt earthquakes. Noticeable steaming or fumarolic activity and new or enlarged areas of hot ground. Subtle swelling of the ground surface. Small changes in heat flow.

Explanation:

Answer 2

These destructive volcanoes tend to shake or undergo tremor for hours or minutes before an eruption. But even before tremors, they also can undergo regular, repeated, slow oscillations in ground swelling and collapse, as well as gas release.

Volcanoes are formed when magma from within the Earth's upper mantle works its way to the surface. At the surface, it erupts to form lava flows and ash deposits. Over time as the volcano continues to erupt, it will get bigger and bigger.

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