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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Haiti Earthquake The last major earthquake to hit Haiti prior to the 2010 was in 1984. On the 12th of January 2010 the small Caribbean country of Haiti was hit by a catastrophic earthquake of 7.0 magnitude. The earthquake struck on the afternoon of the 12th of January at 4:57pm and hit south-west of the Haitian capital of Port-au-Prince killing 316‚000 and affecting millions of residents. 1.5 million people were displaced and approximately 250‚000 residences and 30‚000 commercial buildings were
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Case Study of Mount St. Helens Date: 18th May‚ 1980 Time: 8:30-8:33 8: 30—ash and steam erupted. 8:32—earthquake of magnitude 5.1 on the Richter scale caused the bulge on the north side of the mountain to move forwards and downwards‚ releasing material that formed a landslide of rock‚ glacier‚ ice‚ and soil that moved downhill to fill Spirit Lake. However‚ the water only reinforced it‚ and it moved rapidly down the northern fork of the Toutle Valley. The mudflow reached
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Allison Introduction My report is on Mt. Saint Helens. Before 1980‚ symmetrical Mt. Saint Helens was known as “Fujiyama of America.” (http://mountsthelens.com/history-1.html) Mt. Saint Helens erupted on May 18‚ 1980. It was one of the most deadly eruptions in America. Mt. Saint Helens height used to be 9‚677 ft making it the 5th highest peak in Washington. It’s height was reduced to 1‚300 ft after it exploded in 1980. Mt. Saint Helens is almost 53 km west of Mt. Adams and approximately 80 km Northeast
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Mount Vesuvius 79 A.D VS Mount St Helens 1980 Would you rather be by Vesuvius when it erupted or be by St Helens when it erupted?. Some people ask this question because both eruptions seemed pretty bad . For example ‚ pompeii was covered in ash because of vesuvius. Although‚ there are many differences between the two volcanoes and their eruptions they also have a lot in common. These are some ways they are alike and different. Both volcanoes have a lot in common. For example‚ there both stratovolcanoes
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The largest earthquake ever occurred in the 20th century was the Valdivia Earthquake. As cited in the sources‚ the magnitude of this powerful earthquake was approximately 9.5 and totally destroyed communities near the epicenter. Because this great number of magnitude has a power to eradicate everything around it. Other earthquakes might be the larger but it’s the first one since accurate estimates of magnitude became possible. This was a megathrust earthquake which means that an earthquake occurred
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VOLCANO DESTROYS ITSELF IN VIOLENT ERUPTION. After lying dormant for 123 years the build-up of pressure causes Mt St Helens to erupt violently. At least 57 people have died after the massive eruption of Mount St Helens volcano in Washington State‚ USA. Many more are missing and the death toll is expected to rise. A huge cloud of ash has turned day into night for towns and cities across north-western America. People have been told to stay indoors and wear gauze masks. Many roads have been closed
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Situation On March 16th 1980‚ in the usually calm and tranquil southeast region of Washington State located in the Cascade Mountains‚ began to tremble with earthquake activity lasting until the afternoon of the 26th of March. This was the first of many warnings to geographers and local authorities of the impending dangerous eruption coming from the normally silent Mount Saint Helens. The richter magnitude range was 2.6-4.2. There were 142 recorded earthquakes over 2.4 in the 24 hours between March
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“The Eruption of Mount St. Helens” On May 18th‚ 1980‚ in Washington State‚ the volcano‚ Mount St. Helens erupted. This eruption caused widespread terror throughout the towns surrounding the mountain. The magma from the volcano burned up the forest and killed most of the animals in the area. It affected the wildlife greatly because‚ after the eruption‚ the ecosystem was burned and smoldered thus killing thousands of animals in the region. This eruption was the deadliest of all the volcanic activity
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Mount St Helens 1980 Mount St Helens is on the plate boundary between the Juan de Fuca plate and North American plate. When it erupted it permanently changed the surrounding landscape. Effects of the eruption Primary effects Secondary effects Nuée ardente (hot ash and gas) destroyed forests and logging camps. 63 people were killed‚ mainly by poisonous gases. Lahars (mudflows of ash and water) covered an extensive area surrounding the volcano. Ash blocked rivers destroying popular fishing
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