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Well first off...techtonic plates create the mountain called the volcano. One techtonic plate goes under the other and forces the other techtonic plate to go upwards creating a mountain, but the inside of the mountain is then filled with the earth's core or lava. Then pressure builds up inside the mountain until it can't take that much pressure and erupts. This is one of many ways a volcano eruptps, but it is the most common.

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14y ago
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7mo ago

Volcanic eruptions are caused by the release of pressure and gases from magma beneath the Earth's surface. When the pressure becomes too great, the magma forces its way to the surface, resulting in an eruption. These eruptions can be triggered by factors such as tectonic movements, gas buildup, or external events like landslides.

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12y ago

the tetonic plates

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Q: What is the couse of a eruption in a volcano?
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