Is Mammoth Lake a supervolcano? Where is a website to pove this?
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Yes it was very active at one time and will be again.\n\nhttp://pubs.usgs.gov/fs/fs073-97/
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Ah... something called a caldera forms.\n\nhttp://vulcan.wr.usgs.gov/Glossary/Caldera/description_caldera.html\nhttp://en.wikipedia.org/wiki/Caldera\nhttp://www.agu.org/pubs/crossref/2003/2003GL018380.shtml\nhttp://hvo.wr.usgs.gov/volcanowatch/1996/96_04_26.html\nhttp://www.yellowstonenationalpark.com/calderas.htm\nhttp://www.mvo.ms/glossary.htm\n\nGosh, if these don't help... I don't know what will.
867639
See for yourself:\n\nhttp://www.solcomhouse.com/volcano.htm\nhttp://volcano.und.edu/vwdocs/frequent_questions/group10_new.html\nhttp://www.exn.ca/volcanoes/causes.cfm\nhttp://vulcan.wr.usgs.gov/Outreach/AboutVolcanoes/where_do_volcanoes_occur.html\nhttp://library.thinkquest.org/10136/volcano/volctq.htm\nhttp://en.wikipedia.org/wiki/Volcano\n\nMore random links I keep at hand for God knows what uses.
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The website below will take you to a well-illustrated USGS pub on plate tectonics. It is called: This Dynamic Earth--the story of plate tectonics. By Kious and Tilling.\nBecause it is a government publication, it isn't copyrighted, but you should give appropriate credit if you reuse the figures, etc.\n\nVolcanoes are not randomly distributed over the Earth's surface. Most are concentrated on the edges of continents, along island chains, or beneath the sea forming long mountain ranges. More than half of the world's active volcanoes above sea level encircle the Pacific Ocean to form the circum-Pacific "Ring of Fire." In the past 25 years, scientists have developed a theory -- called plate tectonics -- that explains the locations of volcanoes and their relationship to other large-scale geologic features.-From: Brantley, 1994, Volcanoes of the United States: USGS General Interest Publication.   \nThe ring of fire is associated with convergent plate boundaries.
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www.topozone.com\n\nGreat website for free topographical maps of nearly all areas in the USA and Canada.  You would need either lat and long to look up the area, or the name of a geographical feature (such as Millwood Lake).
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Curiously, I could not find a comprehensive listing.  This site might be helpful, however, or at least give you a start.\n\nhttp://dir.yahoo.com/Science/Earth_Sciences/Geology_and_Geophysics/Volcanology/Volcanoes
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http://www.fs.fed.us/gpnf/volcanocams/msh/
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A supervolcano refers to a volcano that produces the largest and most voluminous kinds of eruption on Earth. The actual explosivity of these eruptions varies, but the sheer volume of extruded magma is enough to radically alter the landscape and severely impact global climate for years, with a cataclysmic effect on life.
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you can find skiers via the web on epicski.com or teton gravity research.com
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hows this http://www.lasr.net/pages/lake.php?Lake_ID=AZ06lk002&ShowMap=Y
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Try a Yahoo Search for:\n1984 hawaii volcano eruption\n1984 hawaii volcanoes eruption\n\nYou'll find information from the US Geological Survey, news articles, and encyclopedia articles.\n\nhttp://search.yahoo.com/search?p=1984+hawaii+volcano+eruption&sm=Yahoo%21+Search&fr=FP-tab-web-t&toggle=1&cop=&ei=UTF-8\nhttp://search.yahoo.com/search?p=1984+hawaii+volcanoes+eruption&sm=Yahoo%21+Search&fr=FP-tab-web-t&toggle=1&cop=&ei=UTF-8
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hmmm ..... go here !>>> under google >>> http://scholar.google.com/scholar?q=glaciological%20volcanic%20index:%20definition,%20scale,%20implications&hl=en&lr=&oi=scholart\nNew modeling of the Vostok ice flow line and implication for the glaciological chronology of the … - group of 10 »\nF Parrenin, F Rémy, C Ritz, MJ Siegert, J Jouzel - JOURNAL OF GEOPHYSICAL RESEARCH, 2004 - ggy.bris.ac.uk \n... 2. Description of the Glaciological Dating Model Used [ 5 ] To compute the age of ...\nNote that there is a circular problem in the model definition: the thinning ...
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www.geology.com\n\nSeriously...\nGo there.
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Lassen Peak, in Shasta County, California USA, is the largest single lava dome volcano (also known as a plug dome) in the world and is the southernmost volcano in the Cascade Range. It is also known as Mount Lassen. It was created on the destroyed northeastern flank of now gone Mount Tehama, a stratovolcano that was at least a thousand feet (300 m) higher than Lassen. Lassen is located in north-central California in the Shasta Cascade region and is the centerpiece of Lassen Volcanic National Park.\n\nLassen Peak has the distinction of being the only other volcano in the Cascades besides Mount St. Helens to have erupted during the 20th Century. Eruptive activity began in 1914 and ended in 1917.\n\nUnlike most lava domes, Lassen is topped by craters. In fact a series of these craters exist around Lassen's summit, although two of these are now covered by solidified lava.
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The answer to this question is so incredibly basic (no pun intended...) that you really shouldn't be bothering with any course in geology if that's what you're taking... and if you're in school my suggestion would be that you drop out, cause from the string of questions you just asked, you're clearly way to lazy to get anywhere anyway. Sorry. In short, do your own freakin homework! Look at your homework, try it yourself, and if there are parts you don't understand, I'd be more than happy to help. But just typing out your homework questions word for word and expecting someone else to do all the work for you? Get a life.\n\nWhen you do start actually thinking, I am able to tell you why the hawaiin volcanoes look like they do, the properties of the magma produced and what is believed to cause volcanism at that location...
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Shield volcanoes\n\nHawaii and Iceland are examples of places where volcanoes extrude huge quantities of lava that gradually build a wide mountain with a shield-like profile. Their lava flows are generally very hot and very fluid, contributing to long flows. The largest lava shield on Earth, Mauna Loa, rises over 9,000 m from the ocean floor, is 120 km in diameter and forms part of the Big Island of Hawaii. Olympus Mons is the largest shield volcano on Mars, and is the tallest mountain in the known solar system. Smaller versions of shield volcanoes include lava cones, and lava mounds.\n\nCinder cones\n\nVolcanic cones or cinder cones result from eruptions that throw out mostly small pieces of scoria and pyroclastics (both resemble cinders, hence the name of this volcano type) that build up around the vent. These can be relatively short-lived eruptions that produce a cone-shaped hill perhaps 30 to 400 m high. Most cinder cones erupt only once. Cinder cones may form as flank vents on larger volcanoes, or occur on their own. Paricutin in Mexico and Sunset Crater in Arizona are examples of cinder cones.\n\nStratovolcanoes\n\nThese are tall conical mountains composed of lava flows and other ejecta in alternate layers, the strata that give rise to the name. Stratovolcanoes are also known as composite volcanoes. Classic examples include Mt. Fuji in Japan, Mount Mayon in the Philippines, and Mount Vesuvius and Stromboli in Italy.\n\nSupervolcanoes\n\nSupervolcano is the popular term for large volcanoes that usually have a large caldera and can potentially produce devastation on an enormous, sometimes continental, scale. Such eruptions would be able to cause severe cooling of global temperatures for many years afterwards because of the huge volumes of sulfur and ash erupted that may block or partially block the sun. Examples include Yellowstone Caldera in Yellowstone National Park and Lake Toba in Sumatra, Indonesia. The Yellowstone volcano is the only dormant supervolcano in the world today. All the rest are long extinct. Supervolcanoes are hard to identify given their enormous areas covered. They are also known as flood basalt events due to the large amounts of basalt ejected.\n\nSubmarine volcanoes\n\nSubmarine volcanoes are common features on the ocean floor. Some are active and, in shallow water, disclose their presence by blasting steam and rocky debris high above the surface of the sea. Many others lie at such great depths that the tremendous weight of the water above them prevents the explosive release of steam and gases, although they can be detected by hydrophones and discoloration of water due to volcanic gases. Even large submarine eruptions may not disturb the ocean surface. Submarine volcanoes often form rather steep pillars and in due time, may break the ocean surface as new islands. Pillow lava is a common eruptive product of submarine volcanoes.\n\nSubglacial volcanoes\n\nSubglacial volcanoes develop underneath icecaps. They are made up of flat lava flows atop extensive pillow lavas and palagonite. When the icecap melts, the lavas on the top collapse leaving a flat-topped mountain. Then, the pillow lavas also collapse, giving an angle of 37.5 degrees. Very good examples of this can be seen in Iceland. These volcanoes are also called table volcanoes or mobergs.
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Here you go:\nhttp://www.nps.gov/crla/\nhttp://volcano.und.nodak.edu/vwdocs/volc_images/north_america/crater_lake.html\nhttp://en.wikipedia.org/wiki/Crater_Lake%2C_Oregon