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Since the magma is always building up pressure and the earth is always spinning, it sometimes causes a crack in the earth. The two sides of the crack may shift. This is called plate tectonics, known to be the cause of volcanic eruptions. ... When there is an eruption in a volcano, the place where pressure builds up and...
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library.thinkquest.org/J001393/volcanoes/causes.htm
library.thinkquest.org/J001393/volcanoes/causes.htm
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This interactive exhibit, part of the Exhibits Collection, explores why volcanic eruptions occur. Activities in the exhibit invite visitors to melt rocks, locate famous volcanoes and play the role of a volcanologist.
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www.learner.org/exhibits/volcanoes/
www.learner.org/exhibits/volcanoes/
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Caption for Images 2-6: Volcanic Plume Spreads This computer model shows the dispersion of the volcanic plume from the Mt. Pinatubo volcano. The 1991 Pinatubo eruption was sulfur-rich, ... "Volcanic aerosols also can cause ozone destruction at warmer temperatures than polar stratospheric clouds, and this would expand the...
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www.gsfc.nasa.gov/topstory/20020304volcano.html
www.gsfc.nasa.gov/topstory/20020304volcano.html
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cause of volcanic eruption, radioactive decay, radioactive heat: Dear Robert, Thanks a lot for quoting your ideas more. I appreciate this. With due appologize, to answer this question I ll give brief sketch here due to very tough schedual today. ... The energy provided by this mass and the energy needed for volcanic activity.
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en.allexperts.com/q/Geology-1359/2008/8/earth-mantle-2....
en.allexperts.com/q/Geology-1359/2008/8/earth-mantle-2.htm
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New Delhi - Dr. Raj Baldev, Cosmo Theorist from India revealed on 28 Dec that the tsunami was the cause of a massive volcanic eruption but the scientists all over the world did not give much attention to his pointed cause . The item appeared under the head Sun, Moon and volcanic eruption caused the Tsunami?
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www.internationalreporter.com/News-Print-596/New-Lava-s...
www.internationalreporter.com/News-Print-596/New-Lava-supports-Tsunami-was-the-cause-of-Volcanic-Eruption.html
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At Kilauea Volcano, the recent effusive eruption of about 0.0005 km3/day (500,000 m3) of basalt magma releases about 2,000 tonnes of SO2 into the lower troposphere. ... breathing air with more than 30% CO2 can quickly induce unconsciousness and cause death. In volcanic or other areas where CO2 emissions occur, it is important...
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volcanoes.usgs.gov/Hazards/What/VolGas/volgas.html
volcanoes.usgs.gov/Hazards/What/VolGas/volgas.html
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Volcanic dust blasted into the atmosphere causes temporary cooling. The amount of cooling depends on the amount of dust put into the air, and the duration of ... This causes the air below to get warmer. Therefore, you might think that a major eruption would cause a temporary warming of the atmosphere rather than a cooling.
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www.cotf.edu/ete/modules/volcanoes/vclimate.html
www.cotf.edu/ete/modules/volcanoes/vclimate.html
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"Volcanic eruptions cause short-term climate changes and contribute to natural climate variability," says Georgiy Stenchikov, a research professor with the Department of Environmental Sciences ... J. Antuna, Climate model simulation of winter warming and summer cooling following the 1991 Mount Pinatubo volcanic eruption,
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earthobservatory.nasa.gov/Study/Volcano/
earthobservatory.nasa.gov/Study/Volcano/
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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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