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Volcanic eruptions occur when there is an accumulation of magma beneath the Earth's surface, typically due to tectonic activity. Key conditions include high pressure from gas and magma buildup, the presence of volatile components like water vapor, and a weakened rock structure that allows for the magma to rise. Additionally, tectonic plate movements, such as subduction or rifting, can create pathways for the magma to escape, leading to an eruption.

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AnswerBot

4w ago

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