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Hace 5 días · A volcano is a vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. Learn about the different types of volcanoes, how they work, and their role in plate tectonics and Earth's evolution.
- Determinants of Size and Shape
Volcano - Eruptions, Magma, Structure: The shape and size of...
- Ash Falls
Volcano - Ash Falls, Eruptions, Magma: Ash falls from...
- Hot Springs and Geysers
Geysers are hot springs that intermittently spout a column...
- Calderas
Volcano - Calderas, Magma, Eruptions: Most calderas—large...
- Six Types of Eruptions
Volcano - Eruptions, Types, Magma: Volcanoes are frequently...
- Lava, Gas, Hazards
If the vast, unseen undersea lava flows of the oceanic ridge...
- Pinatubo, Philippines, 1991
Volcano - Pinatubo, Philippines, 1991: Earthquakes and steam...
- Forecasting, Warning, Monitoring
Volcano - Forecasting, Warning, Monitoring: The greatest...
- Determinants of Size and Shape
19 de oct. de 2023 · Learn what a volcano is, how it forms, and how it erupts. Find out the types, features, and examples of volcanoes on Earth and other planets.
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.
volcano. noun [ C ] uk / vɒlˈkeɪ.nəʊ / us / vɑːlˈkeɪ.noʊ / plural volcanoes or volcanos. Add to word list. Add to word list. B2. a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases, steam, and dust are or have been forced out: an extinct / dormant volcano. an active volcano.
15 de ene. de 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. •...
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. Learn about the causes, types, and examples of volcanoes on Earth and other planets in our solar system, and how to explore them with NASA's Space Volcano Explorer.
Learn the origin, synonyms, and examples of the word volcano, which means a vent or mountain that erupts molten or hot rock and steam. Find out how the word is related to the Roman god of fire, Vulcan.
