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Bookmark or Share- Volcano | Definition, Types, & Facts | Britannicavolcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. A volcanic eruption is an awesome display of Earth’s power.
- Volcanism | Examples, Effects, & Facts | Britannicavolcanism, any of various processes and phenomena associated with the surficial discharge of molten rock, pyroclastic fragments, or hot water and steam, including volcanoes, geysers, and fumaroles.
- Volcanology | Eruptions, Magma, Lava | BritannicaVolcanology deals with the formation, distribution, and classification of volcanoes as well as with their structure and the kinds of materials ejected during an eruption (such as pyroclastic flows, lava, dust, ash, and volcanic gases).
- About Volcanoes | U.S. Geological Survey - USGS.govVolcanoes 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. What is a volcano? Redoubt volcano with minor ash eruption. Photograph taken during observation and gas data collection flight by AVO staff March 30, 2009.
- Volcanology : Volcanoes | Types and Formation - Geology ScienceVolcanology plays a vital role in predicting and mitigating the hazards posed by volcanic eruptions, saving lives and safeguarding communities. Studying volcanoes provides insights into geological processes, plate tectonics, and the movement of magma within the Earth’s crust.
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