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Why do volcanoes erupt?
How do volcanoes erupt?
How does magma erupt?
How do volcanoes form?
How do volcanoes form tectonic plates?
What type of magma erupts when a volcano erupted?
Volcanoes erupt because of the way heat moves beneath Earth’s surface by convection of magma. Learn about the different types of volcanoes and how they are formed by plate tectonics or hotspots.
- John P. Rafferty
Learn how magma, lava, and tephra are formed and how they affect the environment and people. Find out the difference between explosive and non-explosive eruptions and the hazards they pose.
Most volcanic eruptions are caused by pieces of the Earth's crust, called tectonic plates, moving towards each other. Some volcanoes, like Mauna Loa in Hawaii are caused by...
Why and how do volcanoes actually erupt? Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts.
- 1 min
What forms a volcano and what triggers an eruption? We look at why volcanoes exist in the first place, and why some erupt when others don't.
Jan 15, 2018 · Learn how volcanoes form, erupt, and affect the planet in this comprehensive article. Find out the difference between effusive and explosive eruptions, the types of volcanoes, and the dangers and benefits of volcanic activity.
Aug 20, 2015 · Learn about the different processes that trigger volcanic eruptions, such as subduction, magma movement, and pressure changes. Find out how science can help predict and understand these natural events.
