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What Is The Main Cause Of Volcanic Eruptions
What Is The Main Cause Of Volcanic Eruptions. The correct option is option b. A build up of pressure in the earth is released, by things such as a plate movement which forces molten rock to exploded into the air causing a volcanic eruption.

Volcanoes erupt when molten rock called magma rises to the surface. Volcanoes erupt when molten rock called magma rises to the surface. A lthough there are several factors triggering a volcanic eruption, three predominate:
This Is One Of The Three Predominant Theories.
When a volcano erupts, the magma becomes lava and shoots into the air, eventually running down the side of the volcano. To understand how and why volcanoes erupt, we must first understand the different layers of our planet. What are the 3 main causes of volcanic eruption?
Magma Is Formed When The Earth’s Mantle Melts.
Another way an eruption happens is when water underneath the surface interacts with hot magma and creates steam, this can build up enough pressure to cause an explosion. A good example is the eruptions at hawaii’s volcanoes. The crust is broken up into large slabs called tectonic plates.
Another Way An Eruption Happens Is When Water Underneath The Surface Interacts With Hot Magma And Creates Steam, This Can Build Up Enough Pressure To Cause An Explosion.
Magma is formed when the earth’s mantle melts. During solar minimum high energy cosmic radiation can penetrate to a. Magma is formed when the upper mantle of the earth melts.
What Is The Main Cause Of Earthquakes And Volcanic Eruptions?
Volcano eruptions happen when magma erupts from beneath the earth's crust. Melting may happen where tectonic plates are pulling apart or where one plate is pushed down under another. The buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch.
When This Type Of Magma Erupts, It Flows Out Of The Volcano.
This causes lava to overflow which may form mountains and rifts and may even cause death. Hot spots are actually the secondary cause of volcanic eruptions, however in some places, the pressure is greater and the crust is thinner than in others. Earthquakes and volcanic eruptions are the result of physical processes.
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