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  1. 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.

  2. 6 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. The term volcano can also refer to the landform created by the accumulation of solidified lava and volcanic debris near the vent.

  3. A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet. There are a huge number of active volcanoes present worldwide. In this article, we will learn about the definition, formation and types of volcanoes. Table of Contents. What Are Volcanoes? Formation of Volcanoes. Different Stages of Volcanoes.

  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. About 1,500 active volcanoes can be found around the world. Learn about the major types of volcanoes, the geological process behind eruptions, and where the most destructive volcanic eruption...

  6. There are more than 1,500 potentially active volcanoes or volcanic areas around the world at any given time. They may be the world’s most dynamic landforms, given their ability to grow by accretion or shatter and collapse during an eruption. Volcanoes are vents in Earth’s crust (or in the crust of.

  7. Jan 15, 2018 · Volcanoes are Earth's geologic architects. They've created more than 80 percent of our planet's surface, laying the foundation that has allowed life to thrive. Their explosive force crafts...

  8. May 22, 2024 · A volcano is a conical hill or mountain formed by material from the mantle being forced through an opening or vent in the Earths crust. Volcanoes have vents or openings that provide direct access to lava and gases stored below the Earth’s surface and can release these elements into the atmosphere.

  9. volcano, Vent in the crust of the Earth from which molten rock, hot rock fragments, ash, gas, and steam issue. Most volcanoes are found on the boundaries of the enormous plates that make up the Earth’s surface.

  10. A volcano is defined as an opening in Earth's crust through which lava, ash, and gases erupt. The term also includes the cone-shaped landform built by repeated eruptions over time. According to the United States Geologic Survey, there are approximately 1,500 potentially active volcanoes worldwide.

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