Cnn 10
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Why Do Volcanoes Erupt?
Posted
March 18, 2020
Views
33,868
Likes
522
Comments
221
Engagement
2.19%
March 18, 2020
33,868
522
221
2.19%
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1:46Now PlayingMore than 80% of the Earth's surface, both above and below sea level, is of volcanic origin. Lava is molten rock from a volcano that reaches the Earth's surface. Liquid rock below the Earth's surface is referred to as magma.
More than 50% of the world's active volcanoes above sea level encircle the Pacific Ocean, forming the "Ring of Fire." The ring stretches from New Zealand to the coast of South America.
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