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; This is an image of Mt. St. Helens erupting. Image from: U.S. Geological Survey ... Extinct volcanoes have stopped erupting, dormant volcanoes erupt rarely, and active volcanoes erupt frequently.
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www.windows.ucar.edu/tour/link=/earth/interior/volcanoe...
www.windows.ucar.edu/tour/link=/earth/interior/volcanoes_dormant.html&text=t
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Volcano - Wikipedia, the free encyclopedia
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A volcano is an opening, or rupture, in a planet's surface or crust, which allows hot magma, ash and gases to escape from below the surface. The word volcano is derived from the name of Vulcano is...
en.wikipedia.org/wiki/Volcano
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Volcanoes that appear recent but have no recorded activity other than the quiet escape of gas are called dormant. Some volcanoes are much more active than others. Stromboli, in the Lipari Islands near Sicily, has been constantly active since ancient times.
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library.thinkquest.org/16132/html/volcanoinfo/maininfo/...
library.thinkquest.org/16132/html/volcanoinfo/maininfo/active.html
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Pages in category "Dormant volcanoes" ... The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes (learn more). ... Categories: Volcanoes by status | Potentially active volcanoes | Holocene volcanoes...
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en.wikipedia.org/wiki/Category:Dormant_volcanoes
en.wikipedia.org/wiki/Category:Dormant_volcanoes
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Some volcanoes lie dormant for thousands of years before erupting again. Fourpeaked volcano in Alaska erupted in 2004 for the first time in 10,000 years. Geological records show volcanoes in Hawaii may be dormant for one million years before reactivating...
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www.volcanolive.com/extinct.html
www.volcanolive.com/extinct.html
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The Philippines are home to about 20 active volcanoes. Out of these, the most active is Mayon Volacano. Its recent eruptions were in 1993, 2000, 2001, and 2003. ... Hibok-hibok erupted in 1951, causing 500 deaths, and has been dormant ever since. ... List of Dormant Volcanoes...
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fayette.k12.in.us/~page/Portfolio/Danielle/active.htm
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Previously dormant volcanoes in two widely separated areas of the Pacific "ring of fire" are showing signs of life, as documented by new images taken by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (Aster) on NASA's Terra satellite. ... The Three Sisters area -- which contains five volcanoes --
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www.sciencedaily.com/releases/2002/04/020416074351.htm
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Scientists are alarmed as a new study reveals volcanoes thought to be dormant are in fact active, and call for a census of volcanoes. ... Scientists say they have been shocked to discover that four dormant volcanoes in South America are in fact active.
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news.bbc.co.uk/2/hi/americas/2715383.stm
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