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On December 26, 2004 a wave of destruction hit the coasts along the Indian Ocean, affecting lives all over the world. Not only did this disaster bring about a world wide relief effort, but caused a reevaluation of the lack of warning systems in place for many regions threatened by seismic activity and potential devastating coastal impact of seafloor earthquakes. Six months later, information abounds in text, television, and periodicals for any lay person to research. The diversity of perspective is another matter.
Depending on the source, subjects will range from brief plate tectonic education to in depth geophysical analysis, from calls for aid involvement to calls for answers revolving around predictability and warning.
If a curious student takes a sampling of just a few periodicals, two tuned to a general audience, and one designed to address information in a scholarly manner, that person can easily identify the characteristics and perspective of each. It is important to note, sources focused on human geography and public relations appear to have responded quicker with information and relayed simple geographical concepts, whereas scholarly journals and scientific periodicals are continuing the process of analyzing data and research-oriented information gathering, therefore these magazines are, even after six months, persevering in their quest to present articles, and will more than likely be publishing relevant articles in the future.
The National Geographic Society is good source of information, and no person can argue the artistry of its presentation, however, the magazine, and its television and internet productions are directed toward a curious, but mostly naive audience. If searching for an overview, a middle man one may say, National Geographic does provide a history and account of the event in “The Deadliest Tsunami in History” (National Geographic News, Jan 7, 2005). Organized and succinct, the article begins with a few simple facts about the wave making process and tsunami characteristics, even dispelling myths that a tsunami is a single destructive tidal wave, but actually a series of wave building processes resulting from the shifting of the earth undersea due to seismic activity. The article goes on to include human interest stories, not overlooking an account where an Indian man after remembering a National Geographic program, saves the li8ves of more than 1,500 of his fellow villagers. Lastly, the article discusses potential residual hazards of the event, presenting issues such as famine and disease epidemics due to the lack of clean water and food supplies diminished from the disaster.
Works Cited Charles F. Walker, Shaky Colonialism: The 1746 Earthquake-Tsunami in Lima, Peru, and Its Long Aftermath, Duke University Press, 2008. Shravan, G. The New York Times Company. 2012. The. 0.
Earthquakes are a natural part of the Earth’s evolution. Scientific evidence leads many geologists to believe that all of the land on Earth was at one point in time connected. Because of plate tectonic movements or earthquakes, continental drift occurred separating the one massive piece of land in to the seven major continents today. Further evidence supports this theory, starting with the Mid-Atlantic ridge, a large mass of plate tectonics, which are increasing the size of the Atlantic Ocean while shrinking the Pacific. Some scientists believe that the major plate moveme...
Imagine if a 9.0 earthquake struck the West Coast today, resulting in a giant tsunami. Coastal towns would be washed away or completely isolated, and electricity would be lost (FOX5). There would be $70 billion in damage and people would only have 15 minutest to evacuate or move to higher ground resulting in 10,000 deaths (FOX5). This sounds like a plot for a scary movie, but this is actually a reality. The Oregon Coast in located on a subduction zone, which makes it very susceptible to major earthquakes and tsunamis. With the Cascadia subduction zone running along he West Coast the threat of a major tsunami is very real.
The tsunami in Thailand that occurred on December 26, 2004, was by far the largest tsunami catastrophe in human history. It was triggered by a magnitude 9.1-9.3 earthquake along the Indian-Australian subduction zone off the northern coast of Sumatra. The tsunami waves traveled primarily in the east to west direction and caused major damage along the coasts of southern Thailand. Unpredictably, it was a violent earthquake beneath the sea that initiated the massive waves and struck more than a dozen countries in Southern Asia. It also destroyed thousands of miles of coastline and even submerged entire islands permanently. Throughout the region, the tsunami killed more than 150,000 people, and a million more were hurt, homeless, and without food or drinkable water, making it perhaps the most destructive tsunami in the modern history. In spite of peninsular Thailand's location facing the northern part of this subduction zone, the lack of any written historical records, together with the lack of any major local seismic activity, the tsunami caused thousands of fatalities and huge economic losses in the popular tourist regions in Thailand. Immediately after the disaster, numerous organizations and individual citizens have helped out and contributed to this devastating tsunami. Indeed, the tsunami in Thailand was a worldwide event, with significant wave action felt around the world. In this context, I am focusing more on the key features of the tsunami’s natural causes, the psychological effects on citizens, the perspective of socio-economic impacts and the consequences of the tsunami calamity.
Over the course of this semester I’ve read The Late Victorian Holocausts by Mike Davis in which he discusses the cross-global history of the devastating famines and natural disasters that effected significant portions of the world in the late 19th century. In reading through the chapters it made clear to me that Davis placed the blame on a number of factors. However, in this paper I will only be discussing three that I found to have the most significance.
Predicting tsunamis is not a precise art; unlike some natural disasters, tsunamis are not climate based and do not happen during a particular season. In the case of the Sumatra earthquake and tsunami, an ocean-based sensors and a warning system in place could have been an enormous help. At the time of the tsunami, there were no ocean-based sensors in place in the Indian Ocean—which lead to a lack of knowledge of the tsunami, resulting in a lack of a plan to move to higher ground resulting in 230,000 were killed due to the Boxing Day
People who live in California are well aware of earthquakes that are frequently caused by the San Andreas Fault. However, not many are aware of the results of earthquakes that occur in the Pacific Ocean. Tsunamis have also been referred to in the past as seismic sea waves, but earthquakes aren’t the only cause of this phenomenon. Landslides, nuclear explosions, volcanic eruptions, and extraterrestrial impacts also have great water displacement results. What makes California such a potential area for this disaster is the seismic activity near its coastline.
TOHOKU, Japan, Friday, Mar. 11 -Yesterday, a 9.0 magnitude Earthquake struck the east of Tohoku, Japan. The epicentre of the earthquake was located approximately 72 km east of Tohoku (38.3 degrees North latitude and 142.4 degrees East longitude), or 130 km east of Sendai as shown by the X in figure 3 below. The focus of the earthquake was 24.4 km under the epicentre. The earthquake therefore caused a tsunami due to the displacing of water above the Pacific Plate. The earthquake and tsunami together have caused approximately 20,000 deaths, 6152 injuries and 2500 people missing. Approximately 90% of these deaths were by drowning. Approximately 140,000 people have been displaced and over 500,000 buildings and structures have been destroyed or damaged. The early warning system of Japan stopped many bullet trains, and many residents received texted warnings of the earthquake and tsunami on their mobile phones giving them time to evacuate. Figures 1 and 2 show exactly how destructive the tsunami caused by the Tohoku Earthquake was.
Sparks, Amelia. "Responding to the Southeast Asian Tsunami." Peace Corps. N.p., n.d. Web. 9 Mar. 2014.
Yamada G., Gunatilake R, P., Imur, R, M., Gunatilake, S., Fernando, T., Fernando, L. The Sri Lanka Tsunami Experience. Disaster Management and Response. 2006; 4:38–48.
While the early warning saved thousands of people, the Japan’s Meteorological Agency underestimated this earthquake as the subduction zone of Japan should not produce the magnitude 9.0 quake (Oskin, 2013a). The Tohoku Earthquake and its tsunami approximately killed 16 thousand people, injured 6 thousand people and around 3 thousand people were missing. Most people died from drowning. Around 300 thousand buildings, 4000 roads, 78 bridges, and many more were affected by the earthquake, tsunami, and fires from leaking oils and gas. Electricity, telecommunication, and railways were severely damaged. The debris of 25 million tons was generated and carried out to the sea by water (BBC News, 2012). The country’s authorities estimated more than 309 billion US dollars of damages. Landslides occurred in Miyagi and liquefaction in Chiba, Tokyo, Odaiba, and Urayasu (USGS, 2013). Furthermore, the tsunami destroyed protective tsunami seawalls. Approximately 217 square miles of Japan covered in water (Oskin,
I chose these specific topics because I felt that they all fell under the common theme of general/basic mechanisms and encompasses main theories and processes of Geology. In order to understand the former three topics, you must understand what Geology is. Plate tectonics is the “Big Idea” for Geology, a key theory that Geology is based on. You must also understand why plate tectonics are possible (because of the rock flow inside the earth) and its effects, which include how mountains are made.
...d out the leakage a year later. Another cause of the disaster is that government ignored the chance of tsunami. Scientists warned about the dangerousness of tsunami, and advised them to build more protection to tsunami threatening. However, the government did not consider the advise (IAEA, 2011)
The Japan disaster was devastating, and it had an abundance of causes and effects. The nuclear disaster, the tsunami, and the earthquake were the causes of the disaster in Japan. In addition, the disaster had countless effects on the land and people in Japan. The disaster in Japan was as devastating and tragic as 9/11. Both events took a great number of lives and left their country shocked, but prepared them for anything similar that might happen in the future. Knowing the causes and effects of Japan’s disaster can prepare other people and countries around the world for a comparable disaster.
Earthquakes belong to the class of most disastrous natural hazards. They result in unexpected and tremendous earth movements. These movements results from dissemination of an enormous amount of intense energy in form of seismic waves which are detected by use of seismograms. The impact of earthquakes leaves behind several landmarks including: destruction of property, extensive disruption of services like sewer and water lines, loss of life, and causes instability in both economic and social components of the affected nation (Webcache 2).