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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
Strictly speaking, the term volcano means the vent from which magma and other substances erupt to the surface, but it 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
- Which Volcanoes are Erupting? - List map of Active Volcanoes Erupting . . .
We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated
- Volcanic Eruptions - Volcanoes, Craters Lava Flows (U. S. National . . .
Volcanic activity includes earthquakes caused by magma movement, gas emissions, effusive emissions of lava, and cataclysmic eruptions Most geologists use the term eruption to encompass a whole period of volcanic activity which is bracketed by quiet intervals
- 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
- Volcanoes and Volcanic Eruptions - Facts and Information - Geology. com
Articles, facts, information and photos for volcanoes and volcanic activity | Geology com
- 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
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