how well does volcano Mout. Fuji erpts.?
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It's a pretty impressive stratovolcano also called Fuji-san. It towers almost 11,500 feet above the surrounding area. The most recent eruption was in 1707 on the southeast side of the cone. That eruption blew out about 0.8 cubic kilometers of volcanic ash. By comparison Mt.St.Helens in 1980 ejected 1.25 cubic km of ash. There have been 16 eruptions recorded since 781 AD. \n\nIt appears from looking at the Global Volcanism Program that there has been no earthquake activity in the volcano since 2001. It seems quiet, but is a young volcano still. \n\nHere is a great collection of Mt Fuji photos:\nhttp://live-fuji.jp/fuji/beste.htm\nHere is a live web cam link of Mt Fuji:\nhttp://live-fuji.jp/fuji/livee.htm
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Several things happen when a volcano is about to erupt, some of the most obvious are: \n\n1.The number and size of earthquakes increase in and around the volcano. \n\n2.The ground deforms or "bulges" at the eruption site. \n\n3.A lot more gas comes out of the volcano.
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by following this recipe:\nhttp://hometown.aol.com/ckckside/reports/volcanoes/vol10.htm
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If it touched a vital part of your body, yes.  Certainly it would burn and the least that it would do is burn off the part that touched it.\nHow hot is lava?\nLava is extremely hot. Lava can reach temperatures of about 1,250° Celsius. The lava of the Hawaiian volcanoes reach these temperatures. Normal lava temperatures reach 750° Celsius. That is still much hotter than your oven is capable of reaching. \nWhy does the lava get so hot?\nIt is very difficult to melt rocks, because they are so strong. The temperature of lava flow is usually about 700° to 1,250° Celsius, which is 2,000° Fahrenheit. Deep inside the earth, usually at about 150 kilometers, the temperature is hot enough that some small part of the rocks begins to melt. Once that happens, the magma (molten rock) will rise toward the surface (it floats). Deeper inside the earth, the temperatures are so hot that the entire outer core is molten. The inner core is made of different chemicals, so they are not molten.
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INTRODUCTION\nThis project culminates my undergraduate studies at Keene State College as a Geochemistry/Spanish major. I decided to do this research with the intention of learning about the potential hazards involved in living in a volcanically active area, mainly in Quito, Ecuador where I spent the summer of 1995 in with my grilfriends' family, whom without their support and helpfulness, this could not have even been thought about! I was so amazed to wake up daily and look out the window to the south and be awe-stricken by the immensity and beauty of the snow-capped volcano Cotopaxi. Naturally, the first part of the paper describes the geomorphology and volcanic hazards near Cotopaxi as relevant to the development of volcanic hazard maps (see figure 1 (315 K), Figure 2 (99K), for example shows the areas where volcanic ash will fall.\n\nIn my research, I've looked at three main issues that are important for the understanding the methodology used in trying to interpret and make predictions based upon the known systems of a volcano. I've looked into great detail for the many methods that exist for making predictions for possible future use in volcanic predictions. Included are some samples collected in August, 1995 at Mount Cotopaxi, located at 78¡26' west longitude and 00¡41' south latitude. With these rudimentary samples, I started to realize the importance that these andesites have. Shown in this paper are hazard zonation maps which were made prior to the explosions of Mount Saint Helen's in Washington state and complement the maps made for Mount Saint Helen's. These maps have predictions on them showing possible future volcanic events. They are based on the volcano's past history, as can be seen with the eruptive history of Cotopaxi in Table 1, an analysis of some of the deposits located around the volcano in figure 3 (148K). Further attention is spent on other methods of analyzing the hazards, but based on shorter term, such as analysis of gases expelled, earthquake activity, and changes in the relative shape of the volcano. \n\nThis analysis of some of the volcanic deposits used in determining the eruption history of certain volcanoes worldwide, with particular attention paid to Mount Cotopaxi for the purpose of making predictions about future eruption events and for future benchmark studies for hazard mitigation in volcanically active areas of the world. The study of volcanic mineral spring waters and a general comparison between other non-volcanic waters will aid in learning about the influence of the volcanic system. A comparison between the chemical variations of some volcanic mineral waters and some non-volcanic spring fed waters is also made \n\nCotopaxi is a volcano located about 50 km south of Quito, Ecuador. At 5,897 metres it is the second highest in the country—the highest being the Chimborazo. Cotopaxi is technically referred to as a stratovolcano. It has a height of more than 3,000 metres when measured from its base, which has a width about 23 km. It has one of the only equatorial glaciers.\n\nOccasional claims that Cotopaxi is the highest active volcano in the world are known to be incorrect. Llullaillaco volcano is considerably higher and is definitely in an active phase, having erupted as recently as 1877. Ojos del Salado is higher still, and there are indications near its summit of recent activity, although its remoteness precludes a definitive statement as to whether it is currently active.\n\nThere have been more than 50 eruptions of Cotopaxi since 1738. Numerous valleys formed by powerful lahars (mudflows) surround the volcano. This poses a high risk to the local population, their settlements and fields. The city Latacunga has been completely destroyed at least twice in its history. Cotopaxi's most violent eruptions in historical times occurred in the years 1744, 1768, and 1877. In the 1877 eruption pyroclastic flows descended all sides of the mountain, with lahar
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http://www.fs.fed.us/gpnf/volcanocams/msh/images/mshvolcanocam.jpg\nits usualy a cloudy day
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start from here:http://en.wikipedia.org/wiki/Volcano\nthan click here:\nhttp://rds.yahoo.com/_ylt=A0geupc15FRFTXQBUXpXNyoA;_ylu=X3oDMTE2ZGhvZmh2BGNvbG8DZQRsA1dTMQRwb3MDMQRzZWMDc3IEdnRpZANERlg1XzMw/SIG=19tfhms70/EXP=1163277749/**http%3a//rdre1.yahoo.com/click%3fu=http%3a//www.volcanolive.com/%26y=04D6D45EA8332C5A9E%26i=680%26c=21908%26q=02%255ESSHPM%255BL7sviz%253Fips%257C%7eqpzl6%26e=utf-8%26r=0%26d=wow%7eDFX5-en-us%26n=0IHKK1KQNHA4BU6E%26s=12%26t=%26m=4554E436%26o=01C888B21CE6710E36%26x=052DFE91D28B9E0A83349375261B2BB2A1\nhttp://rds.yahoo.com/_ylt=A0geupc15FRFTXQBXHpXNyoA;_ylu=X3oDMTE2aXBvZDkwBGNvbG8DZQRsA1dTMQRwb3MDMwRzZWMDc3IEdnRpZANERlg1XzMw/SIG=12fj2lehe/EXP=1163277749/**http%3a//www.geo.mtu.edu/volcanoes/west.indies/soufriere/govt\nhttp://rds.yahoo.com/_ylt=A0geupc15FRFTXQBaXpXNyoA;_ylu=X3oDMTE2bTQybGs2BGNvbG8DZQRsA1dTMQRwb3MDNQRzZWMDc3IEdnRpZANERlg1XzMw/SIG=13154364e/EXP=1163277749/**http%3a//interactive2.usgs.gov/learningweb/explorer/topic_hazards_volcanoes.asp\nhttp://rds.yahoo.com/_ylt=A0geupc15FRFTXQBV3pXNyoA;_ylu=X3oDMTE2MWFla2V2BGNvbG8DZQRsA1dTMQRwb3MDMgRzZWMDc3IEdnRpZANERlg1XzMw/SIG=1aaavi8gn/EXP=1163277749/**http%3a//rdre1.yahoo.com/click%3fu=http%3a//www.volcanolive.com/contents.html%26y=04BF5322B24FA45313%26i=680%26c=15685%26q=02%255ESSHPM%255BL7sviz%253Fips%257C%7eqpzl6%26e=utf-8%26r=1%26d=wow%7eDFX5-en-us%26n=0IHKK1KQNHA4BU6E%26s=12%26t=%26m=4554E436%26o=018610364A2BA0082E%26x=05679277237FEB7DFC07236F0AED3006C9
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go to\nhttp://en.wikipedia.org/wiki/Volcanoe
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There is a lot of thermal energy that could be utilized with a volcano.  The problem is that Volcano's are unpredictable and could ruin any type of plumbing that you tried to set up to capture the heat.
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Japan. Here are links to more info on Mount Fuji:\n\nhttp://en.wikipedia.org/wiki/Mount_Fuji\nhttp://www.japan-guide.com/e/e2172.html\nhttp://volcano.und.nodak.edu/vwdocs/volc_images/img_fuji.html\nhttp://www.mt-fuji.co.jp/index-e.html
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Yahoo search on images of volcanos:\nhttp://img.search.yahoo.com/search/images?fr=slv2-&ei=UTF-8&p=volcano
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The most recent eruption of Fuji (a composite volcano) was in 1707 and contained large amounts of pyroclastic fall. In studies it was determined that, "The magma composition of the eruption varied from beginning to the end of the eruption." a breakdown of the composition is found in this paper online:\n\nMiyaji, Naomichi. The 1707 Eruption of Mt. Fuji Volcano and its Tephra\nhttp://www.airies.or.jp/publication/ger/pdf/06-2-05.pdf\n\nNote: Mt. Fuji is only dormant and may erupt at any time.
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You think we are seeing lots of volcanic activity NOW?\n\nRent a copy of Walt Disney's "Fantasia" and watch the part about the early ages of the Earth.\n\nFor millions of years, all this planet DID was erupt.\n\nOf course, your question is tied more to relatively recent times.  The planet seems to pass through periods of greater and lesser volcanic activity.  Much of it is stimulated by movement of the great "tectonic plates" on which our globe is formed.  These are huge chunks of the Earth's crust that slide and bump into one another.  They "float" on top of the more liquid, or molten, components of the Earth's core.\n\nVulcanologists, or specialists in volcanoes, can answer your question with greater precision.  In general, there has been an apparent increase in volcanic activity over the past 40-50 years.  That's how long I've been paying attention, anyhow.  But some of this appearance of activity is a product of remembering volcanic events - a few this year, another one or two some years later, and so on.  Most what I have noticed is that volcanic activity seems to have moved around the world.  Where one volcano goes ka-boom, or squirts out some lava for a time and then goes quiet, later there's a new one doing the same elsewhere.  After a time, it seems there are lava flows everywhere, when in fact there are not.\n\nThe most persistent volcanic activity I can remember is in Hawaii, where for at least 20 years (or so it seems) the Big Island has slowly been growing as a result of constant lava flow.\n\nThe 1800's overall seem to have been far more active in terms of volcanic eruptions and disasters than the past 100 years.  Some of the most horrendous volcanic disasters took place in that century.\n\nWe should remember that ours is not a "quiet" planet, but an ever-active ball of dirt, water and air.  It's an interesting place, eh?
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The eruption of Mount St. Helens, on May 18, 1980 was photographed and measured in lots of ways. The words below are from USGS websites/publications not copyrighted. But--they are excerpts and should have quotes if used in a report: \nFor weeks before the big eruption, there were earthquakes and small "phreatic explosions". By mid-April, the surface of the volcano was bulging. \nAt 0832 on May 18, a complex earthquake (M=5.1) shook the volcano, probably causing (but possibly caused by) a huge, 2.7-cubic-kilometer-landslide that in three different blocks successively removed the bulge and upper 400 meters of the volcano (Voight, et.al., 1981, 1983), leaving a 600-meter-deep crater 2 kilometers wide rim-to-rim. The landslide quickly developed into a debris avalanche that sped at 110-240 kilometers/hour for 24 kilometers down the North Fork Toutle River; arms of the avalanche entered spirit Lake, 8 kilometers from the summit, and overtopped 300-380-meter high Johnston Ridge north of the Toutle. The avalanche buried the Toutle valley to a depth of nearly 50 meters.\n\nThe landslide removed confining pressure on the cryptodome and its surrounding hydrothermal system. Juvenile gas was rapidly released from the cryptodome and superheated groundwater flashed to steam, causing a blast that exploded laterally from the collapsing north flank. The blast, called a "stone wind" by local journalists, knocked down most trees (the equivalent of about 150,000 houses) in a 600-square-kilometer area.\nSoon after the blast, a lahar rushed down the South Fork Toutle River and several streams draining the south and east flanks of the volcano. Whether water for these lahars came from snowmelt or from groundwater ejected by the eruption is hotly argued. The largest lahar, down the North Fork Toutle, did not start until early afternoon; it was fed as the debris avalanche dewatered (Janda, et.al., 1981). In addition to causing havoc along the rivers themselves, the lahars fed so much debris into the columbia River that 31 ships were stranded in upstream ports until the 4-meter-deep channel was dredged to its pre-eruption depth of 12 meters -- the first in a series of similar dredgings to maintain Portland (Oregon) as a seaport.\n\nA strong, vertically directed explosion of ash and steam began very shortly after the lateral blast. The resulting eruptive column rose very quickly. In less than 10 minutes, the ash column reached an altitude of more than 12 miles and began to expand into a characteristic mushroom-shaped ash cloud. Near the volcano, the swirling ash particles in the atmosphere generated lightning, which in turn started many forest fires. As the eruption roared on, the major part of the ash cloud drifted downwind in an east-northeasterly direction, although ash that rose above the high-speed (Jet-stream) winds followed other paths determined by complex wind directions.\n\nIf you go to one of the USGS websites below, they will have links to other USGS sites talking about violent volcanoes.
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Here is one:\n\nhttp://etap.org/newsletter/volcano/shield.jpg\n\nBut just type ¨shield volcano¨  in google images (I just did) and you can choose between hundreds.
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Here is today's (nov 5) status report on St. Helen's from USGS: [not copyrighted]. \nMOUNT ST. HELENS UPDATE\n\nCurrent Volcano Alert Level WATCH ; Aviation Color Code ORANGE : Growth of the new lava dome inside the crater of Mount St. Helens continues, accompanied by low rates of seismicity, low emissions of steam and volcanic gases, and minor production of ash. During such eruptions, changes in the level of activity can occur over days to months. The eruption could intensify suddenly or with little warning and produce explosions that cause hazardous conditions within several miles of the crater and farther downwind. Small lahars could suddenly descend the Toutle River if triggered by heavy rain or by interaction of hot rocks with snow and ice. These lahars pose a negligible hazard below the Sediment Retention Structure (SRS) but could pose a hazard along the river channel upstream.\n\nPotential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift eastward.\n\nPotential ash hazards to aviation: Under current eruptive conditions, small, short-lived explosions may produce ash clouds that exceed 30,000 feet in altitude. Ash from such events can travel 100 miles or more downwind.\n\nRecent observations: The volcano is not visible today owing to clouds and heavy rain. Anecdotal reports and signals recorded on acoustic flow monitors on Saturday night suggest that the rains triggered debris flows that descended both the South Fork Toutle River and North Fork Toutle River, but these remain unconfirmed by field checking yet.
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Composite volcanoes/ strato volcanoe.\n\nSome of the Earth's grandest mountains are composite volcanoes--sometimes called stratovolcanoes. They are typically steep-sided, symmetrical cones of large dimension built of alternating layers of lava flows, volcanic ash, cinders, blocks, and bombs and may rise as much as 8,000 feet above their bases. Some of the most conspicuous and beautiful mountains in the world are composite volcanoes, including Mount Fuji in Japan, Mount Cotopaxi in Ecuador, Mount Shasta in California, Mount Hood in Oregon, and Mount St. Helens and Mount Rainier in Washington.\n\n\n**Here is a personal tip my teacher taught us..depending on the plate it's sitting on and the boundary you will know how the plates strike and collide ...in the case of helen think of yr two hands being forced together straight on max pressure eventually your fingers begin to cave and slide up ward together... it looks olmost pointy and cone shaped right? just like St. Helen... This is assuming you know about plates and faults ....Hopefully you do..if bot disregard..