Why do volcanoes become inactive? Do they ever, after being declared inactive, erupt? Is there anyway to stop a volcano from erupting? Can a volcano be inactive from the time it was formed and not ever erupt? Or is that considered a mountain and not a volcano?
www.sio.ucsd.edu/volcano/volcano_qa/advanced.html www.sio.ucsd.edu/volcano/volcano_qa/advanced.html
Volcanoes in the U.S. that have become inactive in recent geological time are Crater Lake, Mount Shasta in California, Mount Hood in Oregon, and Mounts Rainier and Baker in the state of Washington.
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Volcanoes become extinct when the crust moves away from the hot spot and the volcano is seperated from the magma in the asthenospere. Making it inactive.
http://wiki.answers.com/Q/Why_do_volcanoes_become_dorma...
Can you answer these volcanoes questions? ... Inactive volcano definition? What is a inactive volcanoe? What makes a volcano inactive? What volcano is in swizzerland? What dose an inactive volcano do? What does inactive volcano means? When does a volcano become inactive?
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They are found on active volcanoes during and between eruptions and on dormant volcanoes, persisting long after the volcano itself has become inactive. Fumaroles grade into hot springs and geysers. The water of most, if not all, hot springs is predominantly of meteoric origin, and is not water liberated from magma.
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The Hawaiian Islands are composed of a chain of shield volcanoes including Kilauea and Mauna Loa on the island of Hawaii ,which are two of the world’s most active volcanoes. As you go northeast from the island of Hawaii, the volcanoes become inactive, and the islands grow older and older.
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Such volcanoes would be classed as dormant, which is merely to say active, but with a ... This magma chamber fills very slowly, however, and the last known eruption is dated at about 600,000 years ago, since when the volcano has been inactive (except for minor surface activity such as the famous Yellowstone geysers).
www.madsci.org/posts/archives/jan2001/978558990.Es.r.ht... www.madsci.org/posts/archives/jan2001/978558990.Es.r.html
Second, volcanoes that erupted during the pole shift continue to burp ash into the atmosphere, creating a dense cloud cover. Even after these volcanoes become inactive, the ash that has been thrown into the atmosphere takes some times to settle.
www.zetatalk.com/poleshft/p73.htm
I did learn a good amount of information about these islands (known as the ‘Enchanted Islands’) – I really never understood how volcanoes were formed before this. But now I do. And I now also know how volcanoes become inactive.
www.jennathan.com/galapagos5.html
As would be expected, the island currently located over the hot spot (Hawaii) contains active volcanoes, such as Kilauea and Mauna Loa. As the plate continues to move, the big island of Hawaii and its active volcanoes will eventually move off the hot spot, and the volcanoes will become inactive.
www.glencoe.com/sec/science/earthscience/pow/chapter20.... www.glencoe.com/sec/science/earthscience/pow/chapter20.shtml
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