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Breif essay of earthquake about 1000 words
Physical and human impacts of earthquakes
Breif essay of earthquake about 1000 words
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Why are earthquake impacts different in LEDCs and MEDCs?
Any disaster either caused by humans or Mother Nature will make an impact but this depends where it hits. Obviously, if a disaster, or an earthquake in this case occurs somewhere densely populated rather an isolated area it will have a greater impact as life could be lost, buildings destroyed and as a result, high prices to pay.
We will be looking at the impacts of earthquakes in Lower Economically Developed Countries and More Economically Developed Countries, spotting the differences.
There are many earthquakes to study but we have chosen some of the most devastating ones that have occurs somewhere in the near past.
San Francisco
San Francisco, in 1985 one of Americas largest and most populated cities at the time, far ahead of other cities its size when it came to technology. San Francisco was modern as ever with large and long bridges and bays, and plenty rural areas. There were also skyscrapers and tall buildings, which towered over the population.
San Francisco was never peaceful as it lies on the fault line and earthquakes usually tend to occur there, so San Francisco is usually prepared for an earthquake with police, fire fighters and rescue teams and even volunteers if needed, this is all done before the actual disaster if predicted, if it isn’t they are still very quick to get to the scene.
Even if San Francisco has the technology and all the measurements are taken to predict an earthquake or any other disaster, some disasters can happen anytime and very suddenly. Such a disaster was the 1985 earthquake, which read a strikingly high 7.2 on the Richter scale.
This earthquake, in the highly populated San Francisco might have killed only 63 and injured many more but the economic impacts were great as buildings were destroyed, bridges collapsed and fires blazed through the city destroying anything in their path. This caused a great financial problem for the cities inhabitants, as the taxes would have to rise and also the government because large amounts of money would be needed to rebuild.
Even though many of the buildings, possibly the newer ones, were earthquake proof or could withstand a great deal of shock they were also destroyed. This because the older buildings that were not able to withstand the shock were destroyed and collapsed on top of the other buildings, which also collapsed, o...
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...ke was deeper in the earth, then it wouldn’t be as strongly felt on the surface. Then again this depends on the plates and which way they move, or which plate is faster or slower, or which plate will push the other under itself. This all matters as it will tell us the strength of the earthquake, but this is not the answer to the question.
Theoretically speaking, if the earthquake hit at the exact time, at the exact depth and at the exact speed and keeping all the other variables the same in a LEDC and a MEDC I would say that it would have a greater economic impact in the MEDC rather than the LEDC in which more lives may be lost. This because of the way their buildings and homes are built, earthquake proof or not? In MEDCs, fewer lives would be lost because their homes are built so that they would withstand earthquakes but the financial problems would be fairly large as office building and employees that might make a very large difference to the world could die during this disaster resulting in the fall to their business or even the stock market which may even affect the world.
The death toll would be higher in LEDCs than MEDCs but the financial problems would be greater in MEDCs.
There was a massive earthquake in San Francisco during the year of 1906. The country of United States went through great loss because of this massacre. Nearly 250,000 people had become homeless as the result of this great earthquake. Winchester pointed out the question: How unprepared was America when this disaster hit? He compared the San Francisco earthquake to the Katrina hurricane in 2005.
When one of the worst earthquakes ever hits the town of San Francisco panic ensues, but not for everyone. On April 18, 1906, at 5:15 am the city of San Francisco was demolished by a 7.8 magnitude earthquake which also led to many fires being started. There was $350m in estimated damages, and 400-750 people perished in the earthquake and fire. Around 490 city blocks were destroyed, causing 250,000 people to become homeless (A Brief Account, SF Tourism Tips). In the aftermath of the earthquake there were many eyewitness accounts written about it. The eyewitness account, “Comprehending the Calamity,” by Emma Burke and the eyewitness account,"Horrific Wreck of the City" by Fred Hewitt both describe the same event, but they both have very different
In 1910 a series of fifty-two earthquakes struck Arizona between September 10th-23rd and it caused much of the Flagstaff residents to flee the area as even strong households cracked and chimneys crumbled. The fifty-two earthquakes were all light-shock earthquakes with magnitudes between 4.0-4.2 that came right after another. If only one earthquake occurred in that timespan then it is likely that only objects would be knocked from shelves but no damage would be done to infrastructure, but the earthquakes happened right after another causing significant slight
Tsunamis caused by the Earthquake leads to flooding along the coastal environment. This damages any homes. Flooding caused new lakes or sag ponds on the land. Increasing groundwater flow from springs and displacing stream channel. ("Flood Consequences")
On February 4th 1975 in Haicheng China there was a magnitude 7.5 earthquake. Over a period of months there were changes in elevation in land, ground water and unusual animal behavior which are all precursors to an earthquake. Days before the 7.5 magnitude earthquake there were foreshocks that triggered an eviction warning that effectively saved over 150,000 lives or injuries. This is a pro as this forecast saved thousands of lives and had the people of this area (knowing this was a place of seismic activity) took precautions, like that of earthquake resistant buildings, evacuation points, preparing disaster supplies among other preparations the following may not have happened or would have been less of a disaster.
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. Given the certainty that earthquakes will occur, they still seem to come as a surprise, and leave many communities unprepared to deal with their aftermath.
On the night of April 18, 1906, the whole town was woken by erratic shaking. Although the earthquake lasted under a measly minute, it caused significant damage. Many fires started all throughout the city; San Francisco burned in turmoil.
The San Francisco Earthquake commenced at five thirteen o’clock in the morning, with the epicenter offshore of San Francisco. The city carried more than 400,000 people during this event (Earthquake of 1906, 1). Most of the
The 1906 San Francisco earthquake was one of the largest earthquakes in the United States. Even though it only lasted less than a minute, the damages and aftermath of the earthquake were disastrous. These damages were not just from the earthquake, but also from other hazards that occurred because of it. It also had a huge effect on the people living in San Francisco. Many people, the government, and other countries helped the city of San Francisco with relief goods like food and clothing. The city used up their resources in order to rebuild the city and spent a lot of money. This earthquake also started a scientific revolution about earthquakes and its effects.
Hazards pose risk to everyone. Our acceptance of the risks associated with hazards dictates where and how we live. As humans, we accept a certain amount of risk when choosing to live our daily lives. From time to time, a hazard becomes an emergent situation. Tornadoes in the Midwest, hurricanes along the Gulf Coast or earthquakes in California are all hazards that residents in those regions accept and live with. This paper will examine one hazard that caused a disaster requiring a response from emergency management personnel. Specifically, the hazard more closely examined here is an earthquake. With the recent twenty year anniversary covered by many media outlets, the January 17, 1994, Northridge, California earthquake to date is the most expensive earthquake in American history.
As MEDC's have more money to spend on prediction methods, I would expect there to be less deaths and damage in MEDC's than in LEDC's. This is due to a number of reasons. Firstly, because MEDC's are more economically developed, they can afford to spend money on prediction methods, such as GPS satellite, which is when data is sent from satellites to computers with information such as plate movement and changes in the earth's surface. This prediction method is very accurate; however, a disadvantage is that if the computers fail then all of the data will be lost.
The effects caused by earthquakes are devastating. They cause loss of human life and have effects on infrastructure and economy. Earthquakes can happen at any time anywhere. In January 12, 2010 an earthquake of a magnitude of 7.0 hit the nation of Haiti. An estimation of 316,000 people were killed, and more than 1.3 million Haitians were left homeless (Earthquake Information for 2010). Haiti was in a terrified chaos. After the earthquake, families were separated because many of the members were killed. Homes, schools, and hospitals were demolished. People lost their most valuable belongings. It will take time for the country to recover from this terrible disaster. The long damages are economic issues, health-state, and environmental issues that effect in the beautiful island of Haiti.
In the early morning hours on January 17th, 1994 a very violent tremble took place across Los Angeles, California area that left fifty-seven people dead, more than 7,000 injured, more than 20,000 homeless and left over 40,000 buildings damaged. Around 4:30 a.m. a horrific 6.7 magnitude earthquake, that tested building codes and earthquake-resistant construction, shook Los Angeles, San Bernardino, Ventura, and Orange Counties with the most intense damage occurring in Sherman Oaks and Northridge. The earthquake caused several bridges and overpasses to collapse closing sections of the Santa Monica Freeway, Simi Valley Freeway, Golden State Freeway, and the Antelope Valley Freeway. There were also several fire outbreaks throughout the San Fernando Valley, Malibu, and Venice area because of underground gas lines that had been ruptured during the earthquake that caused additional damage.
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).
...is event ‘ just a coincidence because several small earthquakes happened before the big one’ ( Zhang, 2008), but it proved that if we can predict hazards accurately, much loss can be saved.