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Sabancaya volcano erupting, Peru in 2017. 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. The process that forms volcanoes is called volcanism.
Hace 5 días · 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.
19 de oct. de 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.
15 de ene. de 2018 · Volcanic eruptions pose many dangers aside from lava flows. It's important to heed local authorities' advice during active eruptions and evacuate regions when necessary. One particular danger is...
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...
Hace 5 días · 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.
Hace 4 días · As volcanic activity continues at Mount Etna, Chris Baraniuk explores why Mount Etna and Mount Stromboli are becoming more lively. The top of the volcano exploded, sending a gigantic column of ash ...
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 another planet or satellite) capable of releasing molten rock ( magma ), hot rock fragments, and hot gases.
Hace 5 días · A volcanic eruption is an eruption of molten rock, hot rock fragments, and hot gases through a volcano, which is a vent in a planet’s or satellite’s crust. Volcanic eruptions can cause disastrous loss of life and property.
16 de jul. de 2024 · A volcano is a conical hill or mountain formed by material from the mantle being forced through an opening or vent in the Earth’s 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.
