deadliest earthquake in history killed 840‚000 people‚ But many other earthquake have caused the dead of more than 100‚000 people and isn’t unusual‚ even in modern times‚ for an earthquake death toll to reach 20‚000 to 20‚000 people with hundreds of thousands left homeless. There are four factors that affect the casualty rate and economic impact of earthquake: magnitude‚ location‚ quality of construction of building‚ and timing. Magnitude The magnitude‚ or strength‚ of an earthquake is measured
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2010 Haiti Earthquake - Case Study Location A 7.0 magnitude earthquake strikes Haiti on Tuesday‚ 12th of January 2010 at 16.53 local time (21.53 GMT). The earthquake occurred in Port-au-Prince‚ the capital city of Haiti. The focus of the earthquake was 13 km below the surface of the earth. Causes The earthquake was caused by the North American Plate sliding past the Caribbean Plate at a conservative plate margin. Both plates moved in the same direction‚ but on plate moves
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Impact Approximately 57 deaths‚ about $1.1 billion in property damage; caused a partial collapse of the volcano’s flank‚ deposited ash in eleven states and five Canadian provinces. With no immediate precursors‚ a magnitude 5.1 earthquake occurred and was accompanied by a rapid series of events. Mount St. Helens produces small to large explosive eruptions‚ which send varying quantities of ash and tephra into the atmosphere Tephra (rock fragments and particles ejected by a volcanic eruption
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Dear the Society for Earthquake Enthusiasts; I feel as a member of the Society for Earthquake Enthusiasts‚ I need to express my opinion on your ideas to move our headquarters to San Francisco. While I am a lover of California and appreciate California from afar‚ I feel as though we should rethink relocating to California. I feel as though this is the best choice to make due to the fact that the earthquake of 1906 was just only a preview of what the San Andreas Fault can do to San Francisco. Due
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2011 Great East Japan Earthquake and tsunami Introduction The 2011 Tōhoku earthquake‚ also known as the Great East Japan Earthquake‚[6][7](Japanese: "Eastern Japan Great Earthquake Disaster" was a magnitude 9.0 (Mw) undersea megathrust earthquake off the coast of Japan that occurred on Friday‚ 11 March 2011 It was the most powerful known earthquake to have hit Japan‚ and one of the five most powerful earthquakes in the world overall since modern record-keeping began in 1900. In addition to loss
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name 4/23/12 Earth Science Earthquake essay Earthquakes are a very dangerous natural disaster‚ if strong enough; they could destroy the best-built buildings. They are caused by a sudden shift in the tectonic plates. Earthquakes can also cause other types of disasters too. They could cause tsunamis or volcanic eruptions. However earthquakes erupt unpredictable and can kill many people unpredictable. Seismometers can detect the strength of the earthquake‚ which then gives a number on the Richter
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The short answer is that earthquakes are caused by faulting‚ a sudden lateral or vertical movement of rock along a rupture (break) surface. Here’s the longer answer: The surface of the Earth is in continuous slow motion. This is plate tectonics--the motion of immense rigid plates at the surface of the Earth in response to flow of rock within the Earth. The plates cover the entire surface of the globe. Since they are all moving they rub against each other in some places (like the San Andreas
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In May 2008‚ a major earthquake hit Sichuan in the south west of China‚ it was estimated that around 69 000 to 80 000 people were killed and buildings collapsed with people in them information from an OCR science booklet‚ a news sheet. In my case study‚ I will be writing about Should we spend more money on predicting for an earthquake than on preparing a town for an earthquake I will do this by discussing different point of views of people if they agree or disagree with the statement above and use
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Managing the earthquake hazard Homework 07/03/15 Mitigation: Modify the event 1. How realistic is the control of the physical earthquake event? Control of the earthquake event itself and physical variables such as the location of the epicentre‚ depth of the focus‚ foundation material ie rock type‚ duration of shaking and time of day is not a realistic form of management. Earthquakes caused by humans on the other hand such as those resulting from dam destruction can be managed by considering
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What patterns to you see in the distribution of earthquakes across the continental United States? In researching the earthquake patterns across the United States. I noticed that a majority of the earthquakes are located along the western shorelines of California and some small amounts of seismic activities in the lower parts of the south east territories of the United States. These earthquakes occur along the Pacific coast and continue southward along the Pacific coast and North along the Pacific
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