
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 …
Volcano Steak & Sushi | Kennesaw | Woodstock | Acworth
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Volcano | Definition, Types, & Facts | Britannica
Sep 29, 2025 · 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 …
About Volcanoes | U.S. Geological Survey - USGS.gov
Molten rock below the surface of the Earth that rises in volcanic vents is known as magma, but after it erupts from a volcano it is called lava. Magma is made of molten rock, crystals, and …
Map of Currently Active Volcanoes | VolcanoDiscovery
Volcano Calendar 2019 We're proud to present our 2019 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano …
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...
Volcano facts and types of volcanoes | Live Science
Feb 25, 2025 · From lava fountains to towering ash clouds, volcanoes produce some of the most dramatic geological events on the planet. Volcanoes are cracks in Earth's crust that allow …
Volcanoes and Volcanic Eruptions - Facts and Information
What is a Volcano? A volcano is a vent in Earth's surface where magma, gas, and ash escape. The name is also used for cones of erupted material at the vent. Volcanoes are found on many …
Volcanoes - National Geographic Society
May 21, 2025 · A volcano is an opening in a planet or moon’s crust through which molten rock and gases trapped under the surface erupt, often forming a hill or mountain.
Global Volcanism Program | Current Eruptions
Jul 7, 2018 · Overall, 44 volcanoes were in continuing eruption status as of 19 September 2025. An eruption marked as "continuing" does not always mean persistent daily activity, but …