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  1. VOLCANO meaning: 1. a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases…. Learn more.

  2. They are usually tall with steep even sides and are made out of repeating layers of lava flows, volcanic ash, cinders, blocks, and volcanic bombs. Some composite volcanoes rise over 8,000 feet above their surroundings, but they reach much higher elevations when compared to the level of the sea (called above sea level).

  3. 19 de oct. de 2023 · Volcanoes on the ocean floor become islands when the mountains become so large they rise above the surface of the ocean. Credits. Media Credits. The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit.

  4. Volcano definition: a vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals.. See examples of VOLCANO used in a sentence.

  5. Volcano. According to the United States Geologic Survey, there are approximately 1,500 potentially active volcanoes worldwide. Most are located around the Pacific Ocean in what is commonly called the Ring of Fire. 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 ...

  6. a mountain with a large opening at the top through which gases and lava (= hot liquid rock) are forced out into the air, or have been in the past. An active volcano may erupt at any time.; a dormant volcano (= one that is not active at present); an extinct volcano (= one that is no longer active); a volcano spewing red hot lava

  7. 6 de may. de 2024 · 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. This photograph shows an eruption of ...