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Earthquakes - We have to know what earthquakes are in order for us to be prepared against them. Earthquakes are tremors that move the earth. They can create a lot of damage. Earthquakes have happened around the world. What causes earthquakes to happen. How do we protect ourselves against the powerful earthquakes. Earthquakes can cause a lot of damage to homes and places so it is important to know where it has happened. Also what causes them and how do we protect ourselves against earthquakes. To begin with earthquakes can happen around the world....   [tags: Natural Disasters] 518 words
(1.5 pages)
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On Earthquakes - On Earthquakes An earthquake is a shaking or trembling of the crust of the earth caused by underground volcanic action or by the breaking and shifting of rock beneath the surface. The volcanic action and shifting rocks create strain which continues to build to a sudden release of pressure resulting in a shock wave. The vibrations produced in the crust can vary from barely noticeable to enormously destructive. Shock waves can be classified into two broad categories. Waves that send particles oscillating back and forth in the same direction as the waves are traveling are called primary....   [tags: Papers] 1681 words
(4.8 pages)
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EarthQuakes - Earthquakes Earthquakes, one of the most destructive natural phenomena, consist of rapid vibrations of rock near the earth's surface. Because of their unpredictable occurrence and enormous capacity of destruction, they have brought fear to mankind since ancient times. A single shock usually lasts no more than a few seconds, but a series of smaller quakes may last for as long as five minutes. The quake felt on the surface is always the result, not the cause of some underground geologic process, and in many cases the damage done is immense....   [tags: essays research papers fc]
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Earthquakes - Describe the frequency, origin and distribution of earthquakes at mid-ocean ridges, ocean basins, subduction zones and continental shields.Earthquakes are happening almost everyday all over the world. Most of the time earthquakes are not strong enough to be felt by people, but the shaking caused by an earthquake is recorded by a seismogram. These are located all over the world at different points. Only occasionally will a larger magnitude earthquake strike and cause damage to the region. Around the world there are many faults, depending where these faults are plays a major factor in determining where an earthquake will happen....   [tags: essays research papers fc]
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1606 words
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Earthquakes - I chose to research earthquakes and the prediction of earthquakes because I was curious as to how they work. In this paper, I will discus the history of earthquakes, the kinds and locations of earthquakes, earthquake effects, intensity scales, prediction, and my own predictions. An earthquake can be defined as vibrations produced in the earth's crust. Tectonic plates have friction between them which builds up as it tries to push away and suddenly ruptures and then rebounds. The vibrations can range from barely noticeable to a disastrous, and destructive act of nature....   [tags: essays research papers] 2186 words
(6.2 pages)
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Earthquakes - Earthquakes Throughout history, man has made many advancements. These advancements have been made to make life easier. The one thing man can't do is to control Mother Nature. Mother Nature can cause many things such as earthquakes. The causes of earthquakes have been theorized in many ways. According to the book Predicting Earthquakes by Gregory Vogt, the Greeks, "blamed the earthquakes on Poseidon, god of the sea"(25). The Hindu believed that "the earth was a platform that rested on the back of eight great elephants....   [tags: Natural Science]
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1666 words
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Earthquakes - Earthquakes Earthquakes occur almost everyday all over the world. Most of the time earthquakes are not strong enough to be felt by people, but the shaking caused by an earthquake can be recorded by a seismometer. These machines are located all over the world to ensure detection of earthquakes of all strengths. Only occasionally will a larger magnitude earthquake strike and cause damage to the region. There are many faults around the world and depending on where these faults are plays a major factor in determining where an earthquake will occur....   [tags: essays research papers] 1338 words
(3.8 pages)
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Earthquakes - EARTHQUAKES Objective: To define and discuss earthquakes and its effects. Earthquakes are a major catastrophe and can be a big threat to human lives. To understand earthquakes you must have a clear definition, know its mechanisms, be able to recognize the size and dynamics and understand its effects: I. Definition of Earthquake a. Earthquake b. Tsunamis c. Landslides d. Volcanoes II. Mechanism a. Faults b. Seismic Waves c. Aftershocks III. Size a. Strength b. Classification of Seismic Waves 1....   [tags: essays research papers fc]
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Earthquakes - ... Due to the fact that rocks are composed of high intensity of elastic and brittle material, they therefore store considerable amount of strain energy that results from elasticity, during the action of plate tectonic. The brittleness leads to development of concurrent cracks on the rocks as a result of plate’s action. The rock cracking process releases considerable amount of energy (strain energy). An abrupt slide in localities of various faults leads to development of enormous vibration of the earth, circumstances of too much released strain energy which distributes itself via seismic waves that move in the interior and surface of earth....   [tags: Natural Disaster]
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Earthquakes - What is an Earthquake. An Earthquake is the shaking of the earth's surface caused by rapid movement of the earth's rocky outer layer. The sudden shaking of the ground that occurs when masses of rock change position below the Earth's surface is called an earthquake. The shifting masses send out shock waves that may be powerful enough to alter the surface of the Earth, thrusting up cliffs and opening great cracks in the ground. Earthquakes, called temblors by scientists, occur almost continuously....   [tags: essays research papers] 648 words
(1.9 pages)
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Earthquakes - Earthquakes are one of the most damaging natural disasters known to man. They have been known to destroy entire cities in their total time of 2 to 3 minutes. Most people do not know that earthquakes are common through out the entire world; they are just more powerful in places such as California and small countries in South America. The definition of earthquake is “ a series of vibrations induced in the earth's crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating” according to Infoseek.com.....   [tags: essays research papers] 377 words
(1.1 pages)
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Major Earthquakes are Inevitable in Indiana’s Future - Major Earthquakes are Inevitable in Indiana’s Future An earthquake felt throughout the Midwest on June 18 was a shaky reminder that earthquakes can occur anywhere. The earthquake, whose epicenter was located north of Evansville, was felt through most of Indiana and surrounding states, as reported by the Indianapolis Star. The quake was not the largest in Midwestern history, only registering a 5.0 on the Richter scale, nor did it do much damage. However, it was a wake-up call reminding those who haven’t paid attention to past warnings about the possibility of larger, more destructive earthquakes....   [tags: Earthquakes Geology Essays] 1293 words
(3.7 pages)
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Earthquakes and Architectures - ... This is due to liquefaction, “A phenomenon that occurs when the surface waves cause the ground to act like a liquid” (Force of Nature). During an earthquake, landfill behaves as quicksand, sucking the structure into the ground. In an article written by Kevin Boson called, How Quicksand Works, he says that the sand becomes saturated with so much water that there is less friction between the sand particles which cause a moving object to be sucked down. Landfills work the same way during an earthquake and since there is no way to stop the building from vibrating the building continues to be sucked down into the landfill, until the earthquake stops....   [tags: Architecture]
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Earthquakes the Destructive Natural Phenomena - Earthquakes the Destructive Natural Phenomena An earthquake, one of the most destructive natural phenomena, consists of rapid vibrations of rock near the surface of the earth. It is the most terrifying of all natural phenomena and has brought fear since ancient times because of its sudden unpredictable occurrence and enormous capacity of destruction. A single shock usually last no more than a few seconds, although several quakes may last for as much as a couple of minutes. The quake as felt on the surface is always the result never the cause of some geologic process although the damage done may be immense....   [tags: Papers] 663 words
(1.9 pages)
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Earthquakes: Shake, Rattle, & Roll - ... It is near impossible to predict earthquakes; however, we can identify likely places of future events based on the boundaries of earth's plates ("Techtonic plates"). The sheer numbers of deaths and the financial losses incurred have resulted in a large number of studies and various new tools such as the seismograph to record the shaking of the planet's surface. A seismograph measures the shaking of the ground by using either an optical or a mechanical pendulum that records the results on paper ("The seismograph")....   [tags: Natural Disaster]
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Geographic Hazards of Earthquakes - Geographic Hazards of Earthquakes Many geographic and environmental hazards constantly affect and alter the world in which we live. One of the most unpredictable natural disasters to occur is an earthquake. According to Merriam-Webster Collegiate Dictionary, an earthquake is "a shaking or trembling of the earth that is volcanic or tectonic in origin." However, the physical causes, economic and social effects, and costs go far beyond just that dictionary definition. A phenomenon known as tectonic forces is generally what causes an earthquake....   [tags: Papers] 399 words
(1.1 pages)
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The Bay Area and Earthquakes - The Bay Area and Earthquakes What have they learned since the quake quite allot. The fault moved in a fashion that geologists of the time did not expect: it moved horizontally, the southwestern side slipping to the northwest, relative to the southeastern side. "The 1906 earthquake marked the dawn of modern scientific study of the San Andreas fault system." (USGS) When the 1906 earthquake struck scientist set forth to make observations on effects of the quake. The final report published in 1908 (commonly known as the Lawson Report) was a compilation on detailed reports....   [tags: Papers] 340 words
(1 pages)
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Comparing Two Earthquakes - Comparing Two Earthquakes In 1989 an earthquake hit San Francisco, on the west coast of USA, killing around 200 people. Twelve years later an earthquake hit Gujarat, in India. This time it killed approximately 30,000 people. In this report I will be comparing the two earthquakes, giving reasons why the Gujarat earthquake was so much more deadly than the one in San Francisco. An earthquake is a movement or tremor in the earths crust. Earthquakes happen all the time, but some are so weak that they cannot be felt....   [tags: Papers] 653 words
(1.9 pages)
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Earthquakes: Application of Mathematics - ... Simply put, seismographs involve a pen suspended with its point on a roll of moving paper. As the earth shakes, the pen moves back and forth, recording the waves. Seismographs more complicated, and no longer constructed using pens, but the idea remains the same as the shaking of the ground is reflected by the lines drawn by the seismograph P-waves, or compressional waves, are the first waves to arrive at the seismograph, as they travel the fastest. The p-wave velocity can be calculated using the equation: This equation simply illustrates the fact that the velocity of p-waves is dependent on density (ρ), shear modulus (μ), and bulk modulus (κ) where a modulus is essentially a measure of how rigid the rock is that the waves pass through....   [tags: Geology]
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1377 words
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Seismic Waves and Earthquakes - Seismic Waves and Earthquakes Longitudinal waves – the vibration goes forwards and backwards along the direction of travel. Think of sound. Sound is a series of collisions of particles. In air a drum skin vibrates (for example). As this skin goes up it pushes all the air particles up and they compress together. These will then push into the air particles above them and cause them to do the same. The sound travels through the air as a series of collisions. A good way to see this is to put some marbles between two long rulers....   [tags: Papers] 532 words
(1.5 pages)
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The Kathmandu Valley and the Constant Terror of Earthquakes - The Kathmandu Valley and the Constant Terror of Earthquakes One important climatic feature that plagues the South Asian region of the Kathmandu Valley is earthquakes. A few severe earthquakes have taken place in the country's history and caused many deaths and nearly irreparable damage to impoverished Nepal. The residents of the Kathmandu Valley experience small tremors nearly every day, whether they can feel them or not. The world and the nation is waiting for the 'next big one' to terrorize the small country....   [tags: Nepal Weather Disaster Environment Essays Papers]
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The Messina Earthquake of 1908 - ... As survivors from the quake rushed around in fear and confusion, they were greeted by yet another disaster. Shortly after the earthquake, a tsunami occurred. The tsunami’s waves struck the coastline beginning at twenty feet. But as more waves hit the coast, the height of the tsunami grew to just under forty feet, taking out everything that hadn’t already been destroyed by the earthquake, reducing the entire city to rubble. The tsunami stretched across sixty-two miles of coastline near Messina, and another twenty-four miles of coastline near Calabria....   [tags: Earthquakes]
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Exploring Why LEDC's Suffer Greater Damage From Earthquakes Than MEDC's - Exploring Why LEDC's Suffer Greater Damage From Earthquakes Than MEDC's A MEDC is a more economically developed country; therefore it can afford to spend money on improving the countries stability and helping to decrease the damage from an earthquake. An example of a MEDC is Kobe, in Tokyo, where in January 1995; an earthquake that measured 7.5 on the Richter scale hit the city. A LEDC is a less economically developed country and therefore cannot afford to spend money to protect the country from earthquakes....   [tags: Papers] 1143 words
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Earthquake Engineering - Earthquake Engineering Earthquakes are vibrations felt at the surface of the earth which are caused by disturbances of the energy in the earth's interior. These vibrations are known as seismic waves. (Skinner Robinson McVerry 1) There are different type sof seisimc waves such as Primary (P) waves, whcih travel the fastest, Secondary (S) waves which cause the earth to vibrate vertically, Surface (L) waves. P and S waves are "affected by changes in the density and the rigidity of the materials through which they pass." (Columbia Encyclopedia) Earthquakes vary in their intensity and duration....   [tags: Earthquakes Earth Geology Essays]
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Natural Disaster - ... “A natural process only becomes a natural hazard when the risk of human loss is presented.” (Page 2) An earthquake is “a sudden shake of the Earth's crust caused by the tectonic plates colliding.” (Page 2) The vibrations may vary in magnitude. “The underground point of origin of the earthquake is called the focus. The point directly above the focus on the surface is called the epicenter.”(Page 3) Earthquakes by themselves rarely kill people or wildlife. “It is usually the secondary events that they trigger, such as building collapse, fires, tsunamis and volcanoes, that are actually the human disaster.” (Page 5) Earthquakes may last only a few seconds or may continue for up to several minutes....   [tags: Earthquakes, Tornados, Flood] 818 words
(2.3 pages)
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Earthquake and Volcanic Hazards in the Caribbean - Earthquake and Volcanic Hazards in the Caribbean If one took this statement to mean in recent times, it would not be fair to make such a statement as Caribbean people have not had to deal with earthquake hazards as they have the volcanic hazards; and one can’t say they find it difficult to respond to the earthquake hazards. The five major natural hazards that threaten the Caribbean are hurricanes, floods, volcanic eruptions, earthquakes, and tsunamis, with earthquakes being the least common, especially in modern times....   [tags: Papers] 796 words
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The Physics Of An Earthquake - Earthquakes are vibrations produced in the earth's outer layer, or crust, when forces pushing on a mass of rock overcome the friction holding the rock in place and blocks of rock slip against each other. The vibrations can range from barely noticeable to verry destructive. There are six types of shock waves. Two are classified as body waves which means they travel through the earth's interior and the other four are surface waves. The waves are changed by the rock types or formations they hit. Primary or compressional waves (P waves) send particles moveing back and forth in the same direction as the waves are traveling, secondary or transverse shear waves (S waves) send vibrations perpendicular to their direction of travel....   [tags: essays research papers] 850 words
(2.4 pages)
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Tsunami Disaster - When the tsunami disaster occurred, the whole world felt the devastation. People from all over the world offered their support and sent money to help victims. Their helping hands were appreciated by thousands and blessed the hearts of families. Instead of saying that different parts of the world should deal with their own problems, everyone made other countries problems their own. The tsunami caused astronomical numbers of damage towards the United States. This massive impact of the tsunami was attributed by devastating earthquakes, debris flowing through landslides, and lava erupting volcanoes....   [tags: essays research papers] 367 words
(1 pages)
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Understanding and Preparation of Earthquake - ... First most of earthquake distributed is in Pacific Time zone, which states of California and Oregon. Second most earthquake distribution is in central time zone. Thirdly, eastern time zone has very little of distribution of earthquake. Lastly, central time zone has not much of the earthquake distribution. According to Seismic – risk map shows high risk areas are near plate boundaries along the West Coast and region of the interior region, including the region surrounding New Madrid, Missouri (digital Geology .net, p-19)....   [tags: Natural Disaster ] 990 words
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Legends Of Seismology - Legends in Our Time Seismologists… Scientists and Mathematicians Beno Gutenberg was the foremost observational seismologist of the twentieth century. He combined exquisite analysis of seismic records with powerful analytical, interpretive, and modeling skills to contribute many important discoveries of the structure of the solid Earth and its atmosphere. Perhaps his best known contribution was the precise location of the core of the Earth and the identification of its elastic properties. Other major contributions include the travel-time curves; the discovery of very long-period seismic waves with large amplitudes that circle the Earth; the identification of differences in crustal structure between continents and oceans, including the discovery of a significantly thin crust in the Pacific; the discovery of a low-velocity layer in the mantle (which he interpreted as the zone of decoupling of horizontal motions of the surficial parts from the deeper parts of the Earth); the creation of the magnitude scale for earthquakes; the relation between magnitudes and energies for earthquakes; the famous universal magnitude-frequency relation for earthquake distributions; the first density distribution for the mantle; the study of the temperature distribution in the Earth; the understanding of microseisms; and the structure of the atmosphere....   [tags: essays research papers] 465 words
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Michigans Natural Disasters - Disasters, What you Need to Know About Them… Every day there are natural disasters all the time occurring all around the world. They are something that we can’t help, but we can be aware of them and what to do if one occurs near you. Tornadoes are common during Michigan’s Spring months. They are usually smaller than other places, but they still can do lots of damage. The safest thing to do is to go to the lowest level of the building that you are in. If there is no basement, get shelter in the center of the building away from any windows such as a broom closet....   [tags: essays research papers] 400 words
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San Andrea Fault - San Andrea Fault Introduction The San Andreas Fault is a geologic fault zone between two tectonic plates that runs from San Francisco south to San Diego in California. It is an area of frequent earthquakes caused by the plates sliding past each other. It is so called because it runs along the San Andreas Valley. The San Andreas fault was brought dramatically to world attention in 1906 when sudden displacement along the fault produced the great San Francisco earthquake and fire. This earthquake was but one of many that have resulted throughout its life of about 15-20 million years....   [tags: science]
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The Natural Disasters in Australia and Their Effects - The Natural Disasters in Australia and Their Effects Earthquakes are caused by the shifting of the Indian-Australian plate, which is being pushed north and is colliding with the Eurasian, Philippine and Pacific plates. The stress from this collision is released during earthquakes. Earthquakes can occur anywhere in Australia. Adelaide has the highest earthquake hazard of any capital city, with more earthquakes in the past 50 years than any other. Thunderstorms however are more common on the east coast of Australia....   [tags: Papers] 515 words
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A Tsunami in Santa Cruz - A Tsunami in Santa Cruz Out of all the natural disasters that we talk about in class, the most deadly would have to be a Tsunami. Compared to earthquakes, Tsunamis have cause more deaths since 1945. A Tsunami is likely to strike anywhere on the west coast, including Santa Cruz in California – United States – North America – 36:58:24N 122:02:09W. A Tsunami is a giant “wave” of water that is caused by a sudden shift in the sea floor. The wave is a result of the water attempting to regain its equilibrium, which is driven by gravity....   [tags: Papers] 464 words
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Power of the Quake - Power of the quake When humans are under tremendous pressure, they are told that they should try and relieve some stress. The same is true of mother earth when she is under a terrible strain; she has to relieve some stress, only Earths version of blowing off some steam is very deadly and extremely terrifying. An earthquake is a vibration of the Earths surface that follows a release of energy in the Earths crust. There are various ways this energy is released. Manmade explosions, dislocation of segments of the crust or volcanic eruptions are all triggers for an Earthquake; however, most are caused by a slippage of faults....   [tags: essays research papers fc]
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Natural Hazards are Rarely Completely Natural - Natural Hazards are Rarely Completely Natural Throughout the world, natural hazards are a frequent occurrence. They come in the forms of hurricanes, earthquakes, volcanic eruptions, and floods, to name but a few. On a range of scales they create disaster, destruction, loss of life and of livelihood. Natural processes have occurred in the natural environment for millions of years. They are events that happen naturally, e.g. blizzards and floods. A natural process only becomes a natural hazard when the risk of human loss is presented....   [tags: Papers] 988 words
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Report on Natural Disasters in Japan - Report on Natural Disasters in Japan 1. Earthquakes 2. Tsunamis 3. Volcanoes 4. Typhoons I am going to do my report on natural disasters in Japan. Japan has had trouble with many different natural disasters, and I am going to talk about the most common ones. The most common natural disaster is earthquakes. Japan can have up to 5000 earthquakes each year. Earthquakes can also form tsunamis, which are large waves that crash up against the shore and can wash away people, buildings, and bridges....   [tags: Papers] 1238 words
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Fear - FEAR ?@ Recently, earthquakes have hit many places like, Kobe, Greece, Turkey and Taiwan. Moreover, some scientists predict that a huge earthquake will hit the Tokai area and it will have enough power to destroy the Tokyo area. I fear earthquakes for 3 reasons: anticipation of disaster, being on the point of death in the rubble, and becoming injured or sick. First, when any size earthquake hits, even a small one, I feel fear because my mind says, ?gSomeday there will be huge earthquake?h....   [tags: essays research papers] 428 words
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The Range of Physical Phenomena that are Associated with Volcanic Hazards - The Range of Physical Phenomena that are Associated with Volcanic Hazards Volcanic eruptions bring with them a large range of hazards. This report will describe the different range of hazards associated with volcanic activity and discus possible ways that hazards can be avoided. A volcanic eruption can, force people to leave their homes, damage sources of water, destroy homes and farms, restrict travel and kill. Pyroclastic flow is a flow of volcanic rock, and the most devastating effect of an explosive eruption....   [tags: Papers] 816 words
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The Physical and Human Factors Which Affect the Location and the Impact of the Earthquake Hazard - The Physical and Human Factors Which Affect the Location and the Impact of the Earthquake Hazard Earthquakes are natural hazards that have occurred since the dawn of time. They are products of the Earth's ever-changing face and lead to the movement of the world's tectonic plates. An earthquake is a hazard resulting from major geological processes and the release of energy within the earth leading to catastrophic incidents such as earthquake and volcanic eruptions. The effects of earthquakes can have considerable damage to the physical and human environments and the impact and location of an earthquake can alter the damage of the process....   [tags: Papers] 741 words
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The Role of the Knowledge of Plate Tectonics - The Role of the Knowledge of Plate Tectonics Plate tectonics helps us to understand three main things; the distribution of the worlds major landforms, where natural hazards such as volcanoes and earthquakes can strike, and the distribution of minerals and energy supplies. There are at seven main plates composed of the narrow crust that forms the outer shell or limosphere of the Earth. All of these plates are in continuous motion moving in different directions. This is continental drift and can be proven by fossil evidence, structure of continents and climatic change....   [tags: Papers] 1210 words
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Analyzing the Knowledge of Plate Tectonics - Analyzing the Knowledge of Plate Tectonics In order to manage anything successfully you need to have some sort of basic knowledge about what you are managing, otherwise you may be doing more harm than good because something seems the right thing to do without any basis in fact or visual evidence. If you know why something happens it will be easier to predict future plate tectonic movement by looking for the signs of an approaching earthquake or volcanic eruption and so minimizing the danger by taking the actions necessary because so far it is impossible to stop them and if it were the earth would not be able to release its underground pressure and shake itself apart so prevention is not an option....   [tags: Papers] 592 words
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Earthquake in Haiti: Now who is next? - After calming the lives of 150,000 people, and making more than 1,200,000 people homeless, A big question is being created in the mind of people and earthquake experts; who is the next. Now, after Haiti, Geophysics’ are more concerned about Nepal and its future possible earthquake strike because of its geographical make up. Nepal lies just above the border between two huge plates that have moved together over millions of years to form the Himalayas. Nepal lies in just above the seismic zone and tectonic plate which is one of those countries where the earthquakes are frequent and sometimes very devastating....   [tags: Natural Disasters]
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Earthquake in Latur - Earthquake in Latur The Latur (Killari), Maharashtra, earthquake of September 30, 1993 is the most devastating SCR earthquake in the world.Its epicentre was located in a region considered to be aseismic This earthquake occurred in the typical rural setting of India. The severity of the destruction was compounded by the nature of village settlements. While most of the engineered structures survived the earthquake, the non-engineered ones were totally damaged. Over 10,000 lives were lost in this earthquake and several villages were destroyed....   [tags: Papers] 336 words
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Levels of Development Affect the Ability to Manage Natural Hazards - Levels of Development Affect the Ability to Manage Natural Hazards A natural hazard is an event that occurs without the influence of man. It is an event which contains a level of possible danger. Examples of natural hazards are those such as hurricanes, earthquakes and volcanic eruptions. Development and levels of development are locations where the state of developing (expanding) is taking place. Where a city or town is expanding and building more buildings and structural locations....   [tags: Papers] 536 words
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Science of Volcanic Activity Prediction - Science of Volcanic Activity Prediction Since the dawn of history, volcanoes have been an awe inspiring feature of the earth that has frightened and intrigued mankind. Volcanoes have taken the lives of over 250,000 people in the last three hundred years and changed the lives of millions of others, but up until recently humans have had very little understanding of the volcanic processes that presage an eruption. The advent and implementation of new technologies and scientific methods has allowed us to begin to comprehend the inner workings of one of nature's most powerful forces....   [tags: Nature Volcanoe Volcanoes Papers]
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earthquake - Earthquakes have plagued our lives for as long as people have inhabited the earth. These dangerous acts of the earth have been the cause of many deaths in the past century. So what can be done about these violent eruptions that take place nearly with out warning. Predicting an earthquake until now has almost been technologically impossible. With improvements in technology, lives have been saved and many more will. All that remains is to research what takes place before, during, and after an earthquake....   [tags: essays research papers] 1206 words
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Earthquake of 1987 - I. Introduction Earthquakes in California are certainly not a surprise. What is a surprise is their unpredictability and randomness. Geologists say there is roughly a 50 percent chance that a magnitude 8 or more quake will hit the Los Angeles area sometime over the next 30 years. And, over the past twenty years, the Los Angeles area has witnessed several earthquakes, and in particular, two that were quite devastating; the 1971 San Fernando earthquake, and the January 17, 1994, Northridge Earthquake....   [tags: essays research papers fc]
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Plate Tectonics Explained - The interior structure of Earth is chemically divided into an outer solid crust, the mantle, a liquid outer core, and a solid inner core. The core is largely composed of iron, along with nickel and silicon. Other lighter elements are usually in the crust. The core is divided into two parts, the solid inner core and the liquid outer core. The inner core is thought to be solid and primarily made up of iron and some nickel. The outer core is all around the inner core and is believed to be made up of liquid iron mixed with liquid nickel....   [tags: essays research papers fc]
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Investigating Plate Margins - Investigating Plate Margins Plate margins are the edges of the plates, where all the power of nature is released in earthquakes and volcanoes. There are three main types of plate margins: - Spreading Boundaries There are two types of spreading boundary Ridges, where new rock is formed, pushing the plates apart, and Rift, where the plates pull apart, and the earth between them sinks. On the ocean floor the plates are spreading. All along the mid ocean ridge, volcanic activity is pouring new lava out onto the seabed....   [tags: Papers] 1104 words
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Akin Sirnen & the Turkish Earthquake - Akin Sirnen & the Turkish Earthquake On the 17th of August 1999 in Western Turkey, also known as Kocaeli an earthquake struck at 3am. The destruction happened in poorer areas where experts say that the buildings there had broken building regulations and had been made of beach sand, which is not hard and strong enough to withstand the weight of a block of flats. The epicentre of the earthquake was at a town called Izmit in the densely populated north of Turkey, this was where the earthquake hit Turkey its hardest and caused complete devastation....   [tags: Papers] 635 words
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Earthquake Design - Earthquake Design Geology is the study of the earth's landmasses. The earth is constantly changing. These changes are to slow for one person to see in his or her lifetime. Forces cause different things to happen on the surface of the earth. Such as mountains growing and eroding. The earth is broken down into layers lithosphere, hydrosphere, and atmosphere. The lithosphere is the dense, solid layer that surrounds they earth. Which we call the ground. Scientists believe that the earth was formed by very dense elements such as iron and nickel....   [tags: Papers] 1901 words
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The Earthquake Scenario in Bangladesh - The Earthquake Scenario in Bangladesh As Bangladesh is located in a tectonically active much of the country including Chittagong, Sylhet, Dhaka, Rangpur, Bogra, Mymenshing, Comilla, Rajshahi are very much vulnerable to major earthquake disaster. Although, some awareness is raised among a limited groups, due to some recent earthquakes in the region, practically the country is far behind the minimum preparedness level to face such a disaster in any of our cities. Significant damaging historical earthquakes have occurred in and around Bangladesh, and damaging moderate-magnitude earthquake occur every few years....   [tags: Natural Disaster Bangladesh] 1296 words
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somthign new - Barn Burning: Sarty's Transformation Into Adulthood In William Faulkner's story, "Barn Burning", we find a young man who struggles with the relationship he has with his 37. Beowulf: Unferth, The Same Martyr Beowulf: Unferth, the Same Martyr John Gardner introduces the reader of Grendel to an intimate side of Unferth unseen in the epic poem Beowulf. In Grendel we behold what a 38. Art Art From stick figures in the sand and the earliest animals painted and carved in stone, people worldwide have reacted to the world by Russian Reform and Economics: The Last Quarter of the 20th Century Outline Thesis: As the reformation of the USSR was becoming a reality, Russia's economy was crumbling bene 21....   [tags: essays research papers] 597 words
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Investigating Planet Earth - Investigating Planet Earth The Structure of the Earth- [IMAGE] The Crust: This region is thin compared to the other layers in the Earth. It varies in thickness from 10km deep to 65km deep. The crust is made up of lighter rocks that "float" on top of the mantle. This layer includes the continents as well as the rock under the oceans. The thickness of the crust might be a little deceiving... to put it into perspective, we have built many deep mines but NONE have yet reached the mantle....   [tags: Papers] 424 words
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Technological Advancements - Technological Advancements On November 7, 1940 the Tacoma Narrows Bridge was hit by winds of up to 40mph. The bridge began to twist and flutter. Some cables snapped and a six-hundred foot section of the bridge fell into Puget Sound. ^Wind is but one disaster, earthquakes are another^ (Jay Stuller 36). Disasters like this one and others could have been avoided if the proper precautions had been taken. Due to the disasters in the world the structures of today and tomorrow are much safer. Today most of these catastrophes are avoided because of the up to date technology, like architecture, predicting the disasters before hand and new techniques used by emergency rescue teams....   [tags: essays papers] 829 words
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Earthquake Loads & Earthquake Resistant Design of Buildings - Earthquake Loads & Earthquake Resistant Design of Buildings 1. 1 2. Summary 2 3. Earthquake Design - A Conceptual Review 2 4. Earthquake Resisting Performance Expectations 3 5. Key Material Parameters for Effective Earthquake Resistant Design 3 6. Earthquake Design Level Ground Motion 4 6.1. Elastic Response Spectra 4 6.2. Relative Seismicity 5 6.3. Soil amplification 6 7. Derivation of Ductile Design Response Spectra 7 8. Analysis and Earthquake Resistant Design Principles 8 8.1....   [tags: essays research papers] 7929 words
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Tectonic Activity - Tectonic Activity The continents of the world are all separated by different tectonic plates which when collide is called Tectonic Activity. There are different forms of tectonic activity and different processes and landforms, which are involved during and as a result of the collisions. As and when these collisions are going to take place we can't determine because current technology hasn't allowed us to dig as far into the earth to the point of pressures which causes the plates to collide....   [tags: Papers] 1243 words
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The History of the Earth - The History of the Earth History has shown that the Earth's surface can change, and just as fast, as our lives can change with it. In an instant our planet can be violent and out of control creating and destroying life and land. There is not a single day that the earth goes silently without effecting lives in a positive or negative way. The rich ash from a volcano can produce mass crops for a farmer, but in most cases it leads to mass clean up for an entire culture. Humankind has a natural instinct to adapt to our environment, and that's just what we do in every case where Earth has left us no choice....   [tags: Papers] 557 words
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Avoiding Natural Disasters - Avoiding Natural Disasters Natural disasters kill more people on a global scale than wars. According to the United Nations, in the last decade alone, natural disasters have caused the deaths of more than a million people, affected 1.8 billion people in terms of loss of health, homes and livelihoods, and cost $685 billion in economic and structural damage. It is virtually impossible to prevent natural disasters such as hurricanes, volcanic eruptions, floods, tornadoes, earthquakes and tsunamis....   [tags: Papers] 1028 words
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Investigating the Extent to Which States of Economic Development Influence the Way People Respond to Natural Hazards - Investigating the Extent to Which States of Economic Development Influence the Way People Respond to Natural Hazards For my essay I will look at many different case studies. I will be comparing different countries and looking at how economic resources resulted in the consequences of the natural hazards. I will look at different types of natural hazard such as earthquakes and tornados, as well as gathering my information from a mixture of MEDC and LEDC countries. The definition for economic according to answers.com is “Of or relating to the production, development, and management of material wealth, as of a country, household, or business enterprise.” The definition of Hazard: “A potentially damaging physical event, phenomenon or human activity that may cause the loss of life or injury, property damage, social and economic disruption or environmental degradation.” A definition of response: The provision of assistance or intervention during or immediately after a disaster to meet the life preservation and basic subsistence needs of those people affected....   [tags: Papers] 1460 words
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Turkey Earthquake - Turkey Earthquake Introduction The terrible earthquake that struck western Turkey on August 17, 1999 measured a massive Mw7.4 on the Richter scale (also known as the Kocaeli, Turkey, earthquake) Turkey has had a long history of large earthquakes that often occur in progressive adjacent earthquakes. Starting in 1939, the North Anatolian fault produced a sequence of major earthquakes, of which the 1999 event is the 11th with a magnitude greater than or equal to 6.7. Starting with the 1939 event in western Turkey, the earthquake locations have moved both eastward and westward....   [tags: Papers] 759 words
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Exploring Seismology - Exploring Seismology The study of earthquakes and the structure of the earth, by both naturally and artificially generated seismic waves. An earthquake is defined as the vibration of the Earth’s surface by sound or shock waves usually generated by the energy released from rocks rupturing under stress or by friction between moving rock materials at or mostly below Earth’s surface. A seismologist is a scientist who studies earthquakes and seismic waves. CHAPTER 1 - What Are Seismic Waves....   [tags: Papers] 1037 words
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The Symlar San Fernando Valley Earthquake of 1971 - Earthquakes are best described as a shaking or vibration of the ground caused by breaking of rock. Sometimes they are very strong and other times you would hardly notice them. This shaking occurs when stress that builds up in the crust is suddenly released as the crust breaks free and/or slides against the other pieces of crust. Earthquakes may also be thought of as the breaking of a popsicle stick by applying pressure to both ends at the same time. Should you try this experiment , you will feel the pressure build up as you apply more force until the stick snaps....   [tags: Seismology natural disaster]
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Difficulties Detecting Disasters in the Philippines - The area that I have decided to study is the Philippines. It is located in South East Asia, North of Indonesia. The Philippines has over 700 individual islands. The climate is generally that of a rainforest, very humid and hot. It is a LEDC, meaning that it is poorer than the UK. Firstly, we have to know what a disaster is. A disaster is the realisation of a hazard, although there is no set amount of loss which would count as a disaster (Smith ‘96). The Philippines encounters many hazards. This is defined as a naturally occurring process or event which has the potential to cause loss of life or property....   [tags: Philippines, geography, disasters,] 1000 words
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Supervolcano - Supervolcano 1. “Docudramas” like Supervolcano are valuable in the sense that they provide certain elements to the viewer that cannot be found in dramas or documentaries. For the drama enthusiast, it sparks an interest by presenting characters and a climactic plot to speed the informational aspect of the movie along. For the documentary enthusiast, it includes a plot “based” on factual information, and provides something to be learned. Supervolcano was a true “docudrama,” and appealed to a wider variety of people....   [tags: essays research papers] 494 words
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The Dark Side of the Earth - The Dark Side of the Earth Harry Truman was a cranky, unpleasant man. He was a man who that loved his sixteen cats and his daily bourbon and coke. No, this wasn’t the President of the United States you might be thinking of. Harry Truman was an 83 year-old man who had lived at the bottom of Mt. St. Helens for nearly fifty-five years (Fire Mountain: The Eruption of Mt. St. Helens). He owned Mt. St. Helens lodge, near Spirit Lake. He never believed what anyone told him about his mountain. Even with the warnings as well as earthquakes, the only precaution he took was moving his bed to his basement....   [tags: Personal Narratives Mount St. Helens Essays] 6723 words
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Black Death - Black Death, outbreak of bubonic plague that struck Europe and the Mediterranean area from 1347 through 1351. It was the first of a cycle of European plague epidemics that continued until the early 18th century. A cycle of ancient plagues had preceded these plagues between the 6th and 8th centuries AD; another cycle of modern followed them, but less deadly, plagues that began in the late 19th century and continue in the 20th century. The term "Black Death" was not used to refer to the plagues of 1347 through 1351 until much later; contemporaries usually called it the Pestilence, or the Great Mortality....   [tags: essays research papers] 1171 words
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Creation Vs Evolution - About the end of the end of the world, well I can say…plenty. This final event has been troubling mankind for years, when is it going to happen. We’ve been asking ourselves this one question for centuries. Nobody will ever really know the answer until the inevitable finally happens. Many people have their own theories and beliefs on when they think it’s going to end. But in my opinion, the only one that knows the answer to this age-old question is the Creator, our heavenly father…God. Shortly before Jesus’ death, while he was sitting on the Mount of Olives, four of his disciples came to ask him for a “sign” to the end....   [tags: essays research papers] 850 words
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Internal Structure Of The Earth - What is the evidence for our knowledge of the internal structure of the Earth?As we enter the twenty first century we are beginning to learn more and more about the composition of the Earth. Early predictions have thrown up some rather strange and peculiar thoughts as to what is making up our Earth, but now day¡¦s scientists can be confident that the Earth is made up of what they think. As from experiments and other sources of information a picture to what is really down there is becoming much clearer.So how do these scientists know that the Earth¡¦s sections are made up of different compositions, and how do we know that the physical state of each layer is what it is?The outmost layer of the Earth is the crust, this is what we stand on and covers the earth entirely....   [tags: essays research papers] 1621 words
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Natural Devastation - Natural Devastation The largest earthquake in 40 years shifted huge geological plates beneath the Indian Ocean on Dec. 26, 2004, causing a immense and abrupt displacement of millions of tons of water. Indonesia villages closest to the epicenter were swamped within minutes, while elsewhere the waves radiated outward, making landfall at speeds topping 500 mph (www.cbsnews.com). The phenomenon we call tsunami is a series of large waves of extremely long wavelength and period usually generated by a violent, impulsive undersea disturbance or activity near the coast or in the ocean....   [tags: essays research papers fc]
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Pompeii - The morning of August 24th 79 A.D. started out as any other day in Pompeii. The streets were full of people trying to do their daily chores and activities, unaware that it was the day that would be forever engraved in history. The Pompeians settled in that area mainly because of soil and agriculture, but were also mesmerized by the beautiful location. They did not know the dangers of the neighboring volcano and so believed themselves to be very lucky to find such a place. The Pompeians were led to immortalization by uncontrollable forces of nature and their lack of knowledge....   [tags: essays research papers fc]
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Tectonic Plates and its Effects on the Physical Face of the Earth - Tectonic Plates and its Effects on the Physical Face of the Earth For millions of years, tectonic plates have been determinate of changes in the physical face of the earth, and they continue to do so today. These massive plates move underneath the surfaces of the oceans and the continents, producing earthquakes, volcanoes and uplifts. This paper will discuss the composition, movement and history of tectonic plates, the theory of plate tectonics and its history, and tectonic plates affect the surface of the earth today and will continue to do so in the future....   [tags: Tectonic Plates Geology Science Essays] 1475 words
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Tsunamis - Environmental Science Tsunamis A tsunami (soo-NAH-mee) is a series of waves that occur in an ocean or other large body of water and that are caused by some activity that displaces big amounts of water. Tsunami is the Japanese word for "harbor wave." Earthquakes that occur on the seafloor or in coastal areas usually cause tsunamis. The energy generated by the earthquake is transmitted through the water. In deep oceans the energy in these seismic sea waves can travel virtually unnoticed because the wave height may be only twelve inches....   [tags: essays research papers] 1121 words
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Natural Hazards and the Interaction of Physical and Human Processes - Natural Hazards and the Interaction of Physical and Human Processes The earth has been producing hazards for millennia these include earthquakes and volcanoes caused by the movement of tectonic plates, and also wind and water elated disasters such as tornadoes and tsunamis, these can be varied by a countries location such as suffering drought due to be land locked or an island, also the relief on the land can contribute greatly to the hazards it faces.. All of these cause great destruction and can involves lots of energy, these events do not become disasters unless there are human factors involved, when people live on a fault line they are risking suffering from an earthquake, this combination of physical and human processes can lead to large losses not only in lives but also monetary due to lost land, employment and homes....   [tags: Papers] 644 words
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Conservation and Preservation of the Pompeiian Architecture - Conservation and Preservation of the Pompeiian Architecture The ancient Roman city of Pompeii was buried by a volcano in 79 AD. That should be enough to destroy any town, but the city's buildings were in fact protected by this coating of ash, and although it would never be inhabited again, it now bears witness to an incredible period of history. For thousands of years, the city lay virtually undisturbed, and protected from the elements and erosion. Excavations carried out over the last centuries have allowed the city to be once again buzzing with people, and even if this notion may appear romantic, the city is also affected by the elements once again, and that is a major problem....   [tags: Papers] 2769 words
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Plate Tectonics - Plate Tectonics Plate tectonics are a relatively new theory that has revolutionized the way geologists think about the Earth. According to the theory, the surface of the Earth is broken into large plates. The size and position of these plates change over time. The hypothesis of continental drift was largely developed by the German Alfred Wegener The edges of these plates, where they move against each other, are sites of intense geologic activity, such as earthquakes, volcanoes, and mountain building....   [tags: Papers] 585 words
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The Mauna Loa Volcano - The Mauna Loa Volcano The Mauna Loa volcano is located in Hawaii and means "Long Mountain" in Hawaiian. It is a giant, basaltic shield volcano. It is one of the largest volcanoes and mountains in the world and has been called the "monarch of mountains". It has an estimated volume of 9,600 cubic miles and takes up half the land of Hawaii. It extends about 120 km starting from the southern tip of the island to the northern region. It is 97 km (60 miles) long, 48 km (30 miles) wide, and is 8,742 km (28,680 miles) high from the base on the sea floor to the top....   [tags: Papers] 613 words
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Interpretation of A Valediction: Forbidding Mourning - Interpretation of A Valediction: Forbidding Mourning Although that it may seem that the meaning of A Valediction: Forbidding Mourning could be applied to any couple awaiting separation, according to Izaak Walton, a seventeenth-century biographer, John Donne wrote his poem for his wife, Anne Donne, right before his departure for France in 1611 (Damrosch 238). However, even though the poem is not written to an audience, many of us can learn from what Donne is trying to convey to his wife....   [tags: Papers] 1035 words
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The Work and Life of Alfred Wegener - The Work and Life of Alfred Wegener Alfred Wegener was born on November 1st 1880, he studied the natural sciences at the University of Berlinreceiving a PhD in astronomy, graduating in 1904. As well as this qualification Wegener was knowledgeable in the areas of in geophysics and the newly developing fields of meteorology and climatology. He already played an active role in pioneering the scientific world in such things as the use of balloons to track air circulation, joining a trek to Greenland to study polar air circulation in 1906....   [tags: Papers] 593 words
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