volcanoesII

volcanoesII - Physical Geology 101 11. Volcanoes II (p....

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Physical Geology 101 1 11. Volcanoes II (p. 126-127; 129; 153-155) Cool websites: For weekly volcanic activity reports from the Global Volcanism Program, visit: http:// www.volcano.si.edu/reports/usgs/index.cfm (Smithsonian Institution). See http://vulcan.wr.usgs.gov/ for more information about the Cascades Volcano Observatory. Western U.S. Volcanoes The western United States is dotted with potentially active volcanoes or volcanic areas. How many? ______________ Even the Craters of the Moon area in southern Idaho has the potential to spring to life again. How long ago was the last lava eruption at Craters of the Moon? __________________ Craters of the Moon exists because of the passage of the _______________________ hotspot below southern Idaho due to the motion of the North American plate. Yellowstone represents a giant _______________. It could potentially erupt explosively at some time in the future, producing an event of global catastrophic proportions. Yellowstone last produced lava eruptions _______________ years ago. Cascades Range Volcanoes
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volcanoesII - Physical Geology 101 11. Volcanoes II (p....

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