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Check out these fascinating volcano facts with National Geographic Kids! What is a volcano? Why does it erupt? And where can you find the world's biggest?
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Volcanoes Facts for Kids. There are about 1,900 active volcanoes on the earth. This means they have erupted recently or they might erupt. Some volcanoes are extinct. Over 80 volcanoes have been found in the ocean. Most volcanoes happen on fault lines, or cracks in the Earth’s surface.
During a volcanic eruption, hot melted rock called magma escapes from a vent, or opening, in Earth’s surface, or crust. Magma released from a volcano is known as lava. Fresh lava ranges from 1,300 to 2,200 °F (700 to 1,200 ° C) in temperature. It glows red as it flows out of the volcano’s opening.
Volcanoes erupt in different ways. Some, like Mount St. Helens, explode. Explosive eruptions are so powerful, they can shoot particles 20 miles up (32 kilometers), hurl 8-ton boulders more than a...
14 Αυγ 2018 · When a volcano erupts, lava, hot ash, steam, and rocks are released. In addition, volcanic eruptions can cause other natural disasters. These include landslides, mudslides, earthquakes, and tsunamis.
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 hot spots in the...
A volcanic eruption can send ash high into the air, sometimes over 17 miles above the Earth’s surface. For more amazing volcano facts for kids (and adults) take a look at our fact-filled KS2 Volcano Fact Sheets. Volcanoes for Kids: How Are Volcanoes Formed?
