What are the beneficial effects of volcanic eruptions?

Answer

People nearby get fertile soil.
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harmful: can cause: earthquakes, tsunami, lets out poisonous gas, lahars, landslides and can cause people to suffocate because of the ash. beneficial: creates great soil for crops
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Clouds of gases and particles spray into the stratosphere by
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The Soufrière Hills volcano on Montserrat erupted in April 1995 after 350 years of non-activity. The eruption was of the most violent variety. The lava built up under enormous
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Volcanic eruptions bring about lava flows which wipe out the flanks of mountain sides and introduction of massive ash in the atmosphere which causes the interruption ...
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