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  1. 5 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 ...

  2. en.wikipedia.org › wiki › VolcanoVolcano - Wikipedia

    A 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.

  3. Jan 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...

  4. Oct 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.

  5. National Geographic. 23M subscribers. Subscribed. 193K. 30M views 4 years ago #Volcanoes #NationalGeographic #Educational. About 1,500 active volcanoes can be found around the world. Learn...

  6. 52°4'35" N 176°6'39" W, Summit Elevation 5709 ft (1740 m) Current Volcano Alert Level: WATCH. Current Aviation Color Code: ORANGE. The slow eruption of lava in the summit crater of Great Sitkin Volcano likely continues. Seismic activity has been low over the past day. Satellite and web camera observations were obscured by clouds.

  7. Education. 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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