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Earthquake Essay Examples

Essay on Earthquake

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...* A tsunami earthquake is an earthquake that triggers a tsunami of a magnitude that is very much larger than the magnitude of the earthquake as measured by shorter-period seismic waves. Such events are a result of relatively slow rupture velocities. They are particularly dangerous as a large tsunami may arrive at a neighbouring coast with little or no warning. a tsunami earthquake is that the release of seismic energy occurs at long periods (low frequencies) relative to typical tsunamigenic eart...

Christchurch Earthquake

...After shocks are a lots of smaller earth quakes that happen after the initial earth quake. They occur because the fault line that ruptured needs to settle down again and release stress, aftershocks are the fault lines way of releasing remaining energy. According to http://www.christchurchquakemap.co.nz/february there have been 8673 after shocks since February 22nd 2011 as of Monday 19th May 2014. Including after shocks that have been so big they are classed as an earth quake of their own like t...

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Natural Hazards and Disasters

...Risk and vulnerability can sometimes be reduced if there is an adequate means of predicting a hazardous event.  Volcanic eruptions are usually preceded by a sudden increase in the number of earthquakes immediately below the volcano and changes in the chemical composition of the gases emitted from a volcanic vent. If these are closely monitored, volcanic eruptions can be often be predicted with reasonable accuracy. In the prediction of earthquakes, the word forecast is used in a much less precis...

Earthquake in Japan

...The tsunami waves overtopped seawalls and destroyed diesel backup power systems, leading to severe problems such as large explosions and radioactive leakage. It has been almost a year since the devastating 9.0 earthquake and tsunami destroyed coastal communities in northern Japan killing more than 15,000 people. What struck me the most about this tragedy is the reaction of the Japanese community and picturing what it would have been like to be present at that moment. I can simply imagine the ter...

?Causes and Effects of Earthquakes

...Earthquakes can mainly have two dreadful effects. First, one direct effect of earthquakes is ground shaking and landslides. The earthquake’s waves make the ground move, shaking buildings and causing weaker structures to collapse. The damage of properties can lead to secondary effects such as fire, which is produced because of the rupture of natural gas mains and water lines. Second, other post-earthquake threats are tsunamis. In many cases, the slip fault is located beneath the sea which can p...

The effect of earthquake

...Apart from psychological disorders, damaging to buildings can certainly result from the earthquakes. Non-durable buildings may be destroyed because of concussion of the earthquake. Thus, most of the people can lose their own homeland when they are facing the earthquake. As it is very clear seen, damaging to buildings is directly proportional with earthquakes. At last, it is an obvious fact that earthquakes cause deaths, psychological troubles and the destruction of buildings. The ...

The tourism impact of volcanic eruption

...Mt. Ontake, Nagano, Japan ,Nagano Pretecture official Tourism guide, viewed 21/10/2014 http://www.go-nagano.net/blog_p/?p=1053Santana, G.(2001). Global safety and national security. In S. Wahab, & C.Coop (Eds.), Tourism in the age of globalization (pp.213-241). London: Routledge. Sankei News, 2014, ???????????…?????????…????????????????????Viewed 19?10?2014?http://www.sankei.com/affairs/news/141021/afr1410210041-n1.html Sönmez, S.F. & Graefe, A.R. (1998a) Influence of terrorism risk...

The Impact of Earthquake Hazards

...It is difficult to argue convincingly that the impact of human hazards depends primarily on human factors as in every case there are always numerous factors that contribute to the extent of the earthquake. The easy route would be to argue that less developed countries are impacted more seriously by earthquakes due to human factors such as poorly built infrastructure and high population densities however this is not necessarily the case as in L.A research showed that some of the impacts were prim...

Informative speech about earthquake

...Look at this chart, here are five columns, they are magnitudes, frequency, description, example and energy release. In fact, from earthquake magnitude 2 to 6, the energy release and damage is not huge. The classes of seismic measure for the modern buildings are 5 to 6. However, if the earthquake magnitude is bigger than 6, the energy release can be destructive even billions dollar loss of life. Let us specify the damage of magnitude 8 and 9. The difference of energy from one magnitude to another...

Haiti Earthquake

...As a result, buildings collapsed, killing thousands and injuring even more. No warning signs or evacuations preceded the earthquake; it was equally immediate and unexpected. People felt the land shaking and rumbling beneath their feet, with a cloud of smoke and dust rising above the capital. A series of aftershocks that followed did not cause much additional damage but became the source of serious emotional effects. The Haiti earthquake was another good lesson to seismologists, and once again em...

San Francisco 1906 Earthquake

...Another factor would be a situation regarding hospitals and transportation of patients to different hospitals due to overcrowding. This would make the economy of the Bay Area fall into a deep recession, far wore than what it is now. The value of the property would depreciate along with any investments that are in the city. Overall, the city of San Francisco, and surrounding cities, would all suffer a great economic loss if an earthquake with the same magnitude of the 1906 earthquake were to reoc...

Tectonic Hazard Profiles Determine

...Often areas which are densely populated make it difficult to respond to in an emergency as infrastructure can become easily blocked and people may be hard to find amongst the aftermath of the hazard. Response to people in rural areas can also be just as challenging as it is often difficult to reach people who live in the middle of nowhere such as farmers in LEDCs. They are often uneducated too and may not have seen anyone for weeks so would be unaware of a hazard. As well as locality, there’s ...

Dynamics San Andreas Reflection

...As the movie goes, it never failed to entertain us. Also the stories of the characters featured in the movie were really interesting. If I were to put myself in the situation they were in, I might have a very low chance of surviving the disaster. I wouldn’t want to experience the type of catastrophe shown in the movie as well. Maybe the least thing I can do is to be prepared because I know we can’t predict or stop natural disasters and pray to God that He won’t let it happen to us, mankind...

Natural Disasters

...Fire: A rapid, persistent chemical change that releases heat and light and is accompanied by flame, especially the exothermic oxidation of a combustible substance. Drought:A drought is a long period of very dry weather. It is a long time with little or no rain. Not all natural disasters can be prevented. Each natural disaster has its own factors and complications. Understanding the basic principles of ecology can provide keys to lessening their effects. Nature evolved with natural disasters and ...

Geologic Hazards And Disasters

...Most people are also caught up in the debris and so they suffocate due to lack of oxygen. Earth quakes also set up faults and weak points that can act as future sources of geological hazards like volcanoes and land slides. SOURCES Hough, Susan Elizabeth. Earth quakes elastic rebound. New York: Oxford University Press, 2006. Seller, John. Terrible earth-quakes, dreadful sights in the air London: Gwillim, 1996. Hough, Susan Elizabeth. After the Earth quakes. New York: Oxford University Press, 2004...

Binomial Nomenclature: Definition and Examples

...We also elaborated on Paleontology dealing with the fossils, animals, and plants. Robert Hooke came up with the idea that fossils were left here from ancient life. Georges cuvier was a man who studied fossils who came up with the idea that earthquakes or volcano eruptions can lead to mass extinction. Taxonomy and systematics was the study of organisms and putting them into their groups of biological relationships. Charles Darwin realized the need for taxonomy but before him many had already disc...

Endogenetic Process

...Volcanic eruptions are closely associated with several interconnected processes such as: •The gradual increase in temperature with increasing depth at a rate of 1°c per 32m due to heat generated by degeneration of radioactive elements inside the earth. •Origin of magma because of lowering of melting point caused by reduction in pressure of overlying rocks due to fractures caused by splitting of plates. •Origin of gases and water vapour due to heating of water. •Ascent of magma due to pr...

Student and Social Service

...Students can co-operate with people on matters of public interest such as education, sanitation, trade and commerce. Students can participate in cleaning drains, ponds during the leisure hours. They can help people during natural calamities such as earth quake, flood, drought, cyclone by collecting funds from different sources. Students have a spirit to work but the guardians and, teacher should guide them in the right way. Students should be taught how to serve the people of their country. Soci...

The Causes For Tsunami

...Upon organizing amongst themselves, these nations should also seek help from richer countries, such as the United States and the United Kingdom, just in case all of them become affected by tsunamis that reverberate through the oceans that they are connected to. The alliance could also deposit their funds in an international bank, to ensure the safety of their accounts, as well as for its fast retrieval during emergencies. In this way, the allocation of funds for disaster relief, reconstruction a...

Earthquakes in GCC countries

...Tsunami Hawaii-Based researcher George Pararas studied the Makran quake and tsunami,which caused 13metre waves of the Markan coast and 11 metre waves on the Gujrat India Coast killing 4000 people off the Makran coast. Fowler concluded by saying earthquake activity is not frequent in the country and it would definately take much longer to identify the trends on the Seismic activity in the region as compared to other regions that are more earthquake prone. However I-JAE'S close proximity to Iran w...

Disadvantages of Dams

...For example, the building of the Aswan Dam in Egypt has altered the level of the water table. This is slowly leading to damage of many of its ancient monuments as salts and destructive minerals are deposited in the stone work from 'rising damp' caused by the changing water table level Hydropower dams can damage the surrounding environment and alter the quality of the water by creating low dissolved oxygen levels, which impacts fish and the surrounding ecosystems. They also take up a great deal o...

An Overview of Soil Liquefaction?? ?˜‰??© 018010210013IntroductionSoil liquefaction also called earthquake liquefaction ground

...An Overview of Soil Liquefaction? ‰?© 018010210013IntroductionSoil liquefaction, also called earthquake liquefaction, ground failure or loss of strength that causes solid soil to behave temporarily as a viscous liquid. The phenomenon occurs in water-saturated unconsolidated soils affected by seismic S waves (secondary waves), which cause ground vibrations during earthquakes. Although earthquake shock is the best known cause of liquefaction, certain construction practices, including blasting a...

Disasters can take many different forms and the duration can

...According to Wills, (2009) generally, in some respects natural disasters may have a greater impact on more economically developed countries. For example, higher levels of infrastructure can be found in more economically developed countries, which is costly to mend if damage occurs. It may also be that although more economically developed counties are more able to cope with natural disasters than less economically developed countries, this ability is not uniform; for example, the earthquake in No...

Environmental Engineering - Increasing Earthquakes

...Furthermore, it is difficult to foresee where these extra shakes will occur – notwithstanding the way that Bilham said they found that a huge part of the exceptional tremors that responded to changes in day length seemed to happen near the equator. Around one billion people live in the Earth's tropical territories. While these expectation has been made, and since the vast majority of these forecast are ending up evident, ample opportunity has already passed to get readied for the enormous shak...

Plan of Disaster Prevention and Mitigation???118010910037My

...4. Protect our environment. Some disasters are due to human activities. It is time we stop over-exploration and protect the environment. Geological disasters caused by man-made activities are mainly caused by the destruction of the original geological and natural forms by a large number of construction, exploitation and mining activities during the development of human society. So to prevent these kinds of disasters, we humans need to respect the environment we live in and develop moderately....

Earthquakes National Geographic

...A 9.0 magnitude underwater earthquake occurred on the evening of 11th March 2011 at a distance of 32 km off the East coast of Japan. At a depth of 70 km. The island of Honshu, Japan’s largest island moved 2.4 meters to the east. A 65-foot portion of the seafood was elevated by 5 to 8 meters as a consequence of the earthquake. A major tsunami hit heights over 40 meters exacerbated by the subsequent water displacement. Up to ten kilometres of flooding water moved inland to cover any part of the ...

Earthquake: Causes and Effects

...Some areas of the world are earthquake-prone, regions such as Italy and Japan. It is so because they are situated on the weaker side. These areas have experienced an earthquake many times. One of the main causes of an earthquake is deforestation. We live in a country where our government has stood by its citizens during any problem. Welfare organizations, the army, government officers always worked for the welfare of victims by reaching such a place on time. The victims are provided with food an...

Earthquake Zones of Bharat

...The gift chapter describes the scope of the current study and additionally provides a quick description of the order within which the chapters ar organized within the thesis. This chapter additionally describes the importance of the study. ii The second chapter entitled Review of Literature describes well the assorted works conducted by the researchers to grasp the result of seismal force on regular and uneven structures. The third chapter entitled Methodology and model analysis. Methodology exp...

Earthquakes: Natural Disasters


Inca Achievements: Fortifications and Buildings


Earthquake Statistics and Prediction

...Earthquake prediction is an immature science it has not yet led to a successful prediction of an earthquake from first physical principles. Research into methods of prediction, therefore, focus on empirical analysis, with two general approaches: either identifying distinctive precursors to earthquakes or identifying some kind of geophysical trend or pattern in seismicity that might precede a large earthquake.[21] Precursor methods are pursued largely because of their potential utility for short-...

Critical Issues of Earthquakes

...Finally, the system is able to applying hybrid simulation, but more research have to be conducted to reduce errors and perfect the system.To conclude, on this paper, I observe that searchers combined two seismic test to create their own seismic test. I think it is a good way to conduct research and have significant result. However this paper is 4 years old and was surely ever used by other searchers to create other seismic test or to improve it or to well understand the behaviour of an earth...

Analysis of the Earthquakes

...About Quake peril unsurprising, the true article was distributed in 2007, prevalently known as Observation of pre-seismic flag through Geochemical Monitoring by the senior Researcher and research researcher of Branch of Science and Innovation and Division of Nuclear Vitality, Hirok Chaudhuri, Nisits K. Das, Rakesh K. Bhandari, Debasis Ghose, Prasanta Sen and Bikash Sinha. Other surely understood books are Earthquake: Guaging and Mitigation (2004) of H.N. Srivastava; ""Quake Expectation"" (1975) ...

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