historic eruptions have a lot in common. For example‚ both were preceded by tremors and small earthquakes in the days leading up to both of the explosions. Another example is that both are the same type of volcano called a stratovolcano that spew a lot more ash and pumice than other types of volcanos. The final example is that both spewed tons of ash and pumice and in both situations that was why they were considered deadly. Those are examples of the similarities these
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A vacation I had Every summer‚ when high school examination are over‚ I always plan to go somewhere especially beaches‚ shores and coast are the best suit place for a summer. In the last years‚ me and my family planned to go a beach which is very well known as a beautiful heaven place ’’the Hawaii’’. Hawaii is a state that attracts tourists because of its history‚ geography‚ entertainment‚ and culture. It is well known for its volcanoes‚ beaches‚ and climate. For these reasons‚ tourism is the
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To what extent are volcanoes more harmful to our society than earthquakes? Many people may argue that volcanoes are much more dangerous than earthquakes due to the devastating impact it has on people lives and the area it takes place in; however‚ others may solidify that earthquakes are infinitely more catastrophic than volcanoes considering the amount of destruction that it causes. There are two types of plates‚ oceanic and continental. Various types of movement occur along the different types
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Assess the extent to which primary rather than secondary impacts are the more serious effects arising from volcanic eruptions. (30 marks) A volcano is an earth hazard that occurs on faults between tectonic plates on a destructive boundary and an eruption is a natural disaster. A primary impact happens immediately after the disaster and before any response like death or collapsing or destruction of buildings. A secondary impact occurs later after the disaster‚ such less farm produce or a reduction
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Mount St Helens erupted on the 18th May 1980 at 9am and is an active strata volcano Washington State USA‚ a MEDC. Where as on 18th July 1995‚ during the daytime‚ Montserrat‚ a LEDC during the day‚ Montserrat’s Soufrière Hills composite volcano of a height 1050m‚ meaning sulphur hills‚ dormant for centuries‚ erupted and produced a phreatic eruption. The volcano is a strata volcano also. Mount St. Helens is a composite volcano which lies near to a destructive plate boundary where the small Juan de Fuca
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Geoff Hibbs May 4‚ 2012 Primary Succession & Species Diversity of Flora on Mount St. Helens‚ 32 Years PostEruption On May 18 1980‚ Mount St. Helens‚ a stratovolcano in western Washington‚ erupted. The eruption scoured the slopes of the volcano removing vegetation and soil from the vicinity of the mountain. 32 years after the eruption‚ vegetation has returned to the mountain. The author’s main interest in this field is the methods by which vascular plants re-establish themselves after cataclysmic
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life and property. Predicting a volcano’s eruption accurately will lead to more saved lives and ensure our safety. When a volcano erupts it produces many threats. Some of these threats are lava flows‚ falling ash‚ and they may even cause other threats like mud and debris flows‚ or they can cause the climate to change which may lead to tsunamis or earthquakes. A volcano can cause many horrible things like earthquakes. They can cause mud slides. Mud slides are very powerful. They can destroy cities
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Chaitén and Etna comparison essay Chaitén is a 2.5km wide and 4km long volcano that is located in the south east of Chile and erupted for the first time in around 9‚400 years on Friday 2nd May. The volcano is a caldera which is situated above a subduction zone where the Pacific Ocean plate is consumed beneath the South American continental crust. The volcano is composed of viscous rhyolitic lavas and pyroclastics and is typical of the magmas rising through the young fold mountains of the Andes
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Introduction For five hours‚ multiple avalanches of hot ash‚ pumice‚ and gases poured out of the crater. During explosive eruptions‚ fiery‚ pyroclastic flows travel down slope from a volcano. The Mount St. Helens pyroclastic flow spread as far as five miles north of the crater. The hot lava flows and suffocating ash falls destroying plant and animal life. The eruptions are over‚ but consequences go on. What happens to the surrounding environment after such an eruption? The Earth repairs itself from
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a. hot‚ fluid lava that forms a shield volcano b. hot‚ fluid lava that forms a stratovolcano c. an explosive eruption that ejects pyroclastic materials d. cool‚ viscous magma that forms a shield volcano 6. Which scenario is associated with felsic magma? a. hot‚ fluid lava that forms a shield volcano b. basaltic lava that forms a stratovolcano c. an explosive eruption that ejects pyroclastic materials d. cool‚ viscous magma that forms a shield volcano 7. Wizard Island in Crater Lake‚ Oregon
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