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Volcano - Wikipedia
A volcano is a rupture 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.. Earth's volcanoes occur because its crust is broken into 17 major, rigid tectonic plates that float on a hotter, softer layer in its mantle. Therefore, on Earth, volcanoes are generally found where tectonic plates are ...
USGS: Volcano Hazards Program
The Alaska Volcano Observatory website (AVO) includes complete information about volcanoes in Alaska.. Mount Cleveland, located in the central Aleutian Islands, has been in a state of volcanic unrest since June 17, 2015.Explosive eruptions can send ash to altitudes hazardous to aviation. Great Sitkin, located in the central Aleutian Islands, has been in a state of volcanic unrest since July 1 ...
Volcano Facts and Types of Volcanoes - Live Science
A volcano is an opening in Earth's crust where magma breaks through, raining down molten rock, ash and gases. There are several types of volcanoes.
Volcano (1997) - IMDb
Directed by Mick Jackson. With Tommy Lee Jones, Anne Heche, Gaby Hoffmann, Don Cheadle. A volcano erupts in downtown Los Angeles, threatening to destroy the city.
volcano | Definition, Types, & Facts | Britannica.com
Volcano: Volcano, vent in the crust of the 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 - Simple English Wikipedia, the free encyclopedia
A volcano is a mountain which has, or had, lava (hot, liquid rock) come from a magma chamber under the ground. Volcanoes are formed by the movement of tectonic plates.. Most volcanoes have a volcanic crater at the top. when a volcano is active, materials come out of it.the materials include lava, steam, gaseous sulfur compounds, ash and broken rock pieces. ...
Volcano | Definition of Volcano by Merriam-Webster
The volcano last erupted 25 years ago. beset by prolonged heat and lingering racial tension, the city was like a seething volcano
Volcanoes - 2019 News and Scientific Articles on Live Science
Volcanoes. The U.S. Geological Survey defines a volcano as a vent in Earth's surface, either on land or on the seafloor, from which molten rock called magma, as well as ash and gases, can erupt or ...
Volcano World | Your World is Erupting | Oregon State ...
Most of the eruptions we hear about are eruptions that have impacted large communities, and the active volcanoes that tend to be the most monitored are those that pose immin
Volcano Communications Group - Login Page
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