can get the ash off (especially if it is wet)‚ your house may not collapse‚ but often the people leave because of the ash and are not around to continually clean off their roofs. If the ashfall is really heavy it can make it impossible to breathe. Lava flows are almost always too slow to run over people‚ but they can certainly run over houses‚ roads‚ and any other structures. Pyroclastic flows are mixtures of hot gas and ash‚ and they travel very quickly down the slopes of volcanoes. They are
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776 meters about sea level‚ making it the 29th tallest volcano in the world. It is a beautiful‚ almost perfect cone‚ and the beauty is made complete with lakes dammed by lava flows‚ rivers and ponds The area is rich in wildlife and natural vegetation. Fuji is an active volcano; from time to time it erupts‚ throwing out lava and cinders. Since ancient times‚ people have thought it that it is blessed; some even worshipped it as a god. These beliefs led more and more people to climb the mountain
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Once there was a city in Italy. The name of the city was Pompeii. Pompeii was not a great city. It was considered one of the wealthier towns. Its ruins were all preserved. Pompeii lies on a plateau of lava. Pompeii sat 2 km away from the coast of Italy. It also sat 1 mile away from Mount Vesuvius. The town had a wall built around it. There were 8 main entrances to the town within the walls. The streets were built very well. In the 500’s B.C. the area became an influence on other Greek colonies
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us harm They can destroy properties when they erupt Volcanoes can kill many people. II. Though at first glance volcanoes may seem harmful But if we look closely they can help people Volcanoes provide us many benefits Let us discover it. III. Lava from volcanoes is used in building roads Pumice is used in polishing stones Volcanic ash makes the soil healthy That makes plants grow abundantly. IV. Volcanoes serve as “windows” inside the earth Helping the scientists. We can get geothermal
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parallels the west coast of Luzon and reflects eastward-dipping subduction along the Manila trench to the west. Mount Pinatubo is among the highest peaks in west-central Luzon. Its former summit‚ at 1‚745 meters elevation‚ may have been the crest of a lava dome that formed about 500 years ago during the most recent previous major eruptive episode. The volcano’s lower flanks‚ intricately dissected and densely Included in the exhibit are three photos of the
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Type your response here: Destructive glacial erosion and ice wedging b. Checkerboard Mesa‚ Zion National Park‚ Utah Type your response here: I don’t see where it would be either c. lava dome‚ Mount St. Helens‚ Washington Type your response here: Both because the lava builds up land but it also erodes away gravel d. stream at the Karnala Bird Sanctuary‚ India Type your response here: Destructive because it causes stream erosion e. Atlantic Ocean‚ England
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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 of volcanic hazards are done through preparedness and planning where through prior risk assessments with monitoring the effects are mitigated.
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several factors. The impact of eruptions also depends on physical factors such as viscosity and gaseous content of magma‚ whether eruptions are effusive or explosive‚ the nature of the material erupted e.g. pyroclastic flows‚ superheated gases‚ ash‚ lava etc. There are also human factors such as prediction‚ hazard mitigation‚ and evacuation procedures‚ population distribution and density. Nevado Del Ruiz is an example of a volcanic eruption that was on a large scale with a big impact. The eruption
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and which hurls its ashes high into the atmosphere. The term volcano can either mean the vent from which magma erupts to the surface‚ or it can refer to the landform created by the solidified lava and fragmental volcanic debris that accumulate near the vent. One could say‚ for example‚ that large lava flows are erupted from Kilauea Volcano in Hawaii‚ the word volcano here signifying a vent. By contrast‚ one could say that Kilauea is a gently sloping volcano of modest size as Hawaiian volcanoes
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Vesuvius and Mount Tambora are stratovolcanoes. A stratovolcano is a tall‚ conical volcano that often reaches the height of 2500 meters. They are made up of one layer of hardened lava‚ tephra (often called block rocks or bombs)‚ and volcanic ash and are characterized by a step profile and periodic and explosive eruptions. The lava is highly viscous or thick‚ it cools and hardens quickly before spreading far. The magma is composed of rock that is acidic‚ and high in silica. Mount Vesuvius reaches the
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