volcano A volcano is an opening‚ or rupture‚ in the surface or crust of the Earth or a planetary mass object‚ which allows hot lava‚ volcanic ash and gases to escape from the magma chamberbelow the surface. On Earth‚ volcanoes are generally found where tectonic plates are diverging or converging. Amid-oceanic ridge‚ for example the Mid-Atlantic Ridge‚ has examples of volcanoes caused by divergent tectonic plates pulling apart; the Pacific Ring of Fire has examples of volcanoes caused by convergent
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managed effectively? Volcanic hazards can be detrimental to the lives of the people who live near the active zone of the volcano in question due to their immense power coming from the centre of the earth however with effective management of the risks the number of deaths‚ disrupted lives and the economic damage can be reduced greatly. An example I will use of a recent volcano that erupted was Mt St Helens which is an active supervolcano located in Washington‚ USA - 96 miles south of the city of Seattle
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MOUNT VESUVIUS FACTS Mount Vesuvius is probably the most famous volcano EVER! I wrote a couple of interesting facts that you can copy and paste freely for your term paper or geography project. * Situated in Naples‚ Italy‚ Mount Vesuvius which is 19‚ 000 years old is a stratovolcano. This volcano can be recognized even from a distance‚ due to its characteristic feature of a ’humpback’ mountain. Volcanoes are classified according to their shapes and Mount Vesuvius is a stratovolcano.
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The risk of living near a volcano is obviously very high‚ but these risks are calculated. People don’t live on the side of a volcano because of the thrill‚ there is much more to why people do it. The dangers of living so close to an active volcano can be catastrophic‚ lava flows‚ lahars‚ and pyroclastic flows can all be devastating‚ so why then do people do it‚ people like those who live on the sides of Merapi‚ Indonesia‚ and those of Pinatubo in the Philippines‚ there is no denying that it happens
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the volcano. Ash blocked rivers destroying popular fishing sites and causing flooding. This in turn destroyed crops and livestock. Flooding destroyed communications such as road and railway bridges. Sediment carried downstream ruined barge transport on the Columbia River. Short-term responses and results • Communications such as roads and bridges were repaired. • People were rehoused. Long-term responses and results • Soil fertility improved due to the ash deposits. • The volcano is
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to draw conclusions on what could be done to mitigate loss of life and destruction. The eruption of Mount Vesuvius in 79 AD on Pompeii and surrounding areas proved to be catastrophic because of the location of the volcano and especially since citizens were not aware that an active volcano was in their midst. By examining the series of events that took place at Mount Vesuvius in 79 AD and comparing them to the impacts and forecasting of present day volcanism‚ one could draw better conclusions of the
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magma chamber. Eruptions of silica-rich magma form layers of ash and rock that eventually builds up a volcano to its cone shape. Eventually‚ the volcano explodes‚ just like Mt. Vesuvius did. (Watson 2011) When? – Mount Vesuvius is hundreds of thousands of years old and has erupted over 40 times‚ including at least three significantly larger ones that preceded the eruption in 79 A.D. The volcano has not erupted since after 1944‚ and none of the eruptions that succeeded the one in 79 A.D. were as
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environment. Therefore‚ in this case a volcanic hazard is the threat posed from natural volcanic processes towards the populations and the environment. The extent of volcanic hazards can vary due to two factors; physical factors such as the type of volcano and human factors such as the population density in the area. Volcanic hazards can also be placed into two phases: primary hazards such as lava flows and gas emissions; there are also secondary hazards such as lahars and landslides. The management
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Mt Pinatubo Introduction Where: Mount Pinatubo‚ Philippines‚ Asia When: June 12th-15th‚ 1991 Type of volcano: Strato or composite volcano Type of eruption: Explosive - the second biggest eruption this century Deaths: 300 people died‚ 1000’s were evacuate Mount Pinatuba had been dormant for 500 years. The first sign that this situation might be changing occured on July 16‚ 1990 when a magnitude 7.8 earthquake (roughly the size of the 1906 San Francisco earthquake) struck about
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Antilles‚ and more specifically within the grouping called the Leeward Islands. Covering approximately 40 square miles in land area‚ it is a British Crown colony (see Figure 1.). One of the most interesting aspects of Montserrat is its still-active volcano. [pic] Figure 1. The island of Montserrat (with volcanic “Exclusion Zone”) (Wikimaps) Montserrat was “discovered‚” and named by‚ Christopher Columbus during one of his voyages to the Caribbean region. It was on his second voyage
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