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- 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]
- 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
- 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
- Volcanic Ash Advisory Centers - National Weather Service
Informational website about NOAA's Volcanic Ash Advisory Centers and their monitoring of volcanic ash across significant parts of the world
- 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
- Volcanoes and Your Safety | Volcanoes | CDC
Know how to prepare for and protect yourself during and after volcanic eruptions
- What Causes Volcanic Eruptions? An In-Depth Guide
It is within the mantle, especially in its upper regions, that most volcanic activity is born Here, temperature and pressure conspire to partially melt rock, forming magma This magma, buoyant and restless, seeks a way to rise When it does, we witness one of nature’s most extraordinary spectacles Magma: The Fire Within
- Volcanoes - National Geographic Society
Volcanoes are classified as active, dormant, or extinct Active volcanoes have a recent history of eruptions; they are likely to erupt again Dormant volcanoes have not erupted for a very long time but may erupt at a future time Extinct volcanoes are not expected to erupt in the future
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