What Is the definition of volcanic eruptions
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Volcanoes are ruptures in the crust of our planet Earth that allow hot gases, molten lava and some rock fragments to erupt by opening and exposing the magma inside. In this piece of article, we will be discussing how and why volcanoes erupt.
How Do Volcanoes Erupt?
It is so hot deep within the earth that some rocks slowly melt and turn into a thick flowing matter known as magma. Since it is lighter than the solid rock around it, the magma rises and gets collected in magma chambers. Eventually, some of the magma pushes through fissures and vents in the earth’s surface. Hence a volcanic eruption occurs and the erupted magma is known as lava.
We need to understand the Earth’s structure to know how volcanoes erupt. At the top lies the lithosphere, being the outermost layer that consists of the upper crust and mantle. The thickness of the crust ranges from 10km to 100km in mountainous locations and mainly consists of silicate rock. The video below will help you clearly understand the process of volcanic eruption.
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A volcanic eruption occurs when hot materials from the earth's interior are thrown out of a volcano. Lava, rocks, dust and gas compounds are some of these ejecta. Some are quiet outflows of hot lava. Several more complex types of volcanic eruption have been described by VOLCANOLOGISTS........
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