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Volcano - Wikipedia
https://en.wikipedia.org/wiki/Volcano
WEBA volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
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Volcanoes - National Geographic Society
https://www.nationalgeographic.org/encyclopedia/volcanoes/
WEBOct 19, 2023 · A volcano is an opening in a planet or moon’s crust through which molten rock, hot gases, and other materials erupt. Volcanoes often form a hill or mountain as layers of rock and ash build up from repeated eruptions. Volcanoes are classified as active, dormant, or extinct.
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Volcano | Definition, Types, & Facts | Britannica
https://www.britannica.com/science/volcano
WEB2 days ago · volcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. A volcanic eruption is an awesome display of Earth’s power. Yet, while eruptions are spectacular to watch, they can cause disastrous loss of life and property, especially in densely populated ...
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Volcano facts and information - National Geographic
https://www.nationalgeographic.com/environment/article/volcanoes
WEBJan 15, 2018 · Volcanoes, explained. These fiery peaks have belched up molten rock, hot ash, and gas since Earth formed billions of years ago. By Maya Wei-Haas. January 15, 2018. • 7 min read. Volcanoes are...
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Global Volcanism Program | Current Eruptions
https://volcano.si.edu/gvp_currenteruptions.cfm
WEBJul 7, 2018 · Current Eruptions. Overall, 46 volcanoes were in continuing eruption status as of 2 March 2024. An eruption marked as "continuing" does not always mean persistent daily activity, but indicates at least intermittent eruptive events without a break of 3 months or more. There are typically 40-50 continuing eruptions, and out of those generally ...
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What Is a Volcano? | NASA Space Place – NASA Science for Kids
https://spaceplace.nasa.gov/volcanoes2/en/
WEB2 days ago · A volcano is an opening on the surface of a planet or moon that allows material warmer than its surroundings to escape from its interior. When this material escapes, it causes an eruption. An eruption can be explosive, sending material high into the sky. Or it can be calmer, with gentle flows of material.
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List of the world’s major volcanoes | Locations & Facts
https://www.britannica.com/topic/worlds-major-volcanoes-2226816
WEBVolcanoes are vents in Earth’s crust (or in the crust of another planet or satellite) capable of releasing molten rock ( magma ), hot rock fragments, and hot gases.
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Volcanoes 101 | National Geographic - YouTube
https://www.youtube.com/watch?v=VNGUdObDoLk
WEBJan 14, 2020 · 193K. 30M views 4 years ago #Volcanoes #NationalGeographic #Educational. About 1,500 active volcanoes can be found around the world. Learn about the major types of volcanoes, the geological...
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About Volcanoes | U.S. Geological Survey - USGS.gov
https://www.usgs.gov/programs/VHP/about-volcanoes
WEBEducation. About Volcanoes. By Volcano Hazards Program. Volcanoes are openings, or vents where lava, tephra (small rocks), and steam erupt onto the Earth's surface. Volcanic eruptions can last days, months, or even years. What is a volcano? Redoubt volcano with minor ash eruption.
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Forces of Nature - National Geographic Society
https://www.nationalgeographic.org/forces-nature/volcanoes.html
WEBForces of Nature. What is a volcano? A volcano is an opening in the Earth's surface through which lava, volcanic ash, and gases escape. Ancient people believed that volcanoes were under the control of the gods. In fact, the word volcano comes from Vulcan, the Roman god of fire.
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