and lava‚ but look at Earth today; a gorgeous blue fills all of the sky along with vast vivacious oceans containing all sorts of remarkable creatures. These “geological monsters” are actually capable of producing beautiful habitual islands such as Iceland and the entire Hawaiian chain. Volcanic islands are made possible through their architect‚ plate tectonics; which is a combination of the theory of continental drift‚ by Wegener‚ and seafloor spreading‚ by Hess. Continental drift is the idea
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Objective Explain the reasons why people live in hazardous areas. Discuss vulnerability as a function of demographic and socio‑economic factors‚ and of a community’s preparedness and ability to deal with a hazard event when it occurs. Explain the reasons for some sectors of a population being more vulnerable than others. A Distinction A hazard / Hazard event / Disaster Hazard -is a perceived natural event which threatens both life and property Disaster - is the realisation of this hazard
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THE AFFECTIVNESS OF INFORMATION VISUALIZATION ON DECISION MAKING AND UNDERSTANDING INTRODUCTION With today’s complex ideas and situations individuals need tools to succeed. With the help of information visualization individuals can see information visually improving their chance for success while increasing their understanding of the information. This report will look into the history‚ types‚ usage and benefits of information visualization. History of Information Visualization Information
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with flow with high velocities. The pyroclastic flow that was seen at the eruption of Mount St Helens‚ USA in 1980 was a result of dense gas and ash combinations. It travelled a total of 25km north of the volcano and had a top temperature of 700’c. The flow was slowed down by ridges around the volcano but it contributed to a $450 million in damages to forestry. Tephra – the solid material that is ejected in a volcanic eruption of varying grain size (these can be volcanic bombs or ash) can often be
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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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On January 23rd 1973 a new volcano unexpectedly erupted in the Vestmannaeyjar archipelago‚ southwest of Iceland. The new volcano was a fissure 1.25 miles long and only 1100 yards from the center of town‚ also named Vestmannaeyjar. The new volcano was named Heimaey. The town was mostly evacuated over the next few days and the lava slowly flowed towards town and the mouth of the harbor for the next seven months. Vestmannaeyjar is the only good harbour in that part of Iceland‚ and was the base for a large
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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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are found across the world from Hawaii and California to Iceland‚ Japan‚ New Zealand and Antarctica. Worldwide‚ there are an estimated 5‚000 active submerged volcanoes‚ with the highest volcanoes in shallow water rising above sea level. Most submerged volcanoes‚ however‚ are located on ocean ridges. Volcanoes are dangerous‚ but when compared to land volcanoes‚ submarine volcanoes pose less of a threat to human life. Since the volcano sits far below the ocean’s surface‚ even a major eruption
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Journey to the Center of the Earth is an 1864 science fiction novel by Jules Verne (published in the original French as Voyage au centre de la Terre). The story involves a professor who leads his nephew and hired guide down a volcano in Iceland to the "center of the Earth". They encounter many adventures‚ including prehistoric animals and natural hazards‚ eventually coming to the surface again in southern Italy. From a scientific point of view‚ this story has not aged quite as well as other Verne
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Evaluate how plate tectonics theory helps our understanding of the distribution of seismic and volcanic events. Plate tectonics is a relatively new science. It’s partially explained in the sense that we still don’t know fully about how the plates came together‚ what they were before they were the seven continents we know today. We already know‚ or have a theory‚ about what our world was like a long time ago and so if we already know that the plates can pull and push against each other‚ then surely
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