- Volcano | Definition, Types, Facts | Britannica
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
- Volcano - Wikipedia
A volcano is commonly defined as a vent or fissure 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 [1]
- About Volcanoes | U. S. Geological Survey - USGS. gov
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
- Which volcanoes are erupting? - List map of active volcanoes erupting . . .
Daily gas-and-ash plumes from the lava-dome complex rose as high as 4 km a s l , or around 750 m above the summit, and drifted W and NW during 6-8 July, based on webcam views and statements issued by the Tokyo Volcanic Ash Advisory Center (VAAC)
- Volcanic Eruptions - Volcanoes, Craters Lava Flows (U. S. National . . .
A volcanic eruption is the expulsion of gases, rock fragments, and or molten lava from within the Earth through a vent onto the Earth’s surface or into the atmosphere
- Volcano facts and information | National Geographic
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
- VOLCANIC Definition Meaning - Merriam-Webster
The meaning of VOLCANIC is of, relating to, or produced by a volcano How to use volcanic in a sentence
- Global Volcanism Program - Smithsonian Institution
Our retrospective effort to document Earth's volcanic eruptions of the last 12,000 years has led to development of comprehensive databases and an archive of relevant maps, photos, and documents
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