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Earthquake Essay Examples

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The Dynamic Crust, Earthquakes and the Earth’s Interior Why is the Earth’s crust described as being dynamic? Crust- solid rock outer zone of Earth The crust is part of the lithosphere. The Earth’s crust is dynamic which means constantly changing. Earthquakes Volcanoes Crustal movements along fault zones Other evidence indicates that parts of the Earth’s crust have been moving to different locations for billions of years. Describe pieces of evidence that suggest minor changes in the Earth’s crust. Displaced &…...

The Effects of the 2010 Haiti Earthquake

On January 12, 2010, Haiti was hit by a magnitude 7.0 earthquake (Richter scale), which caused devastating damage to its capital, Port-Au-Prince. There is still no consensual official data available, but the International Red Cross estimated that the earthquake affected about 3 million people. The Haitian government reports that an estimated 316,000 had died 300,000 had been injured and more than 1 million residents were left homeless . As a direct consequence of the disaster the social, economical, political, environmental…...

Christchurch Earthquake

On Tuesday 22nd of February 2011 there was a 6.3 magnitude earthquake at 12:51 pm. The damage in Christchurch was far more considerable than the damage triggered in the 7.1 earthquake only 5 months previously. 185 people were killed in the February earth quake and thousands more were hurt. The epicentre of the earthquake was really near Lyttelton and just 10 kilometres out of Christchurch Central city. The geological fault that burst and caused the earth quake was the 15…...

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Natural Hazards and Disasters

A natural hazard is a threat of a naturally occurring event will have a negative effect on humans. This negative effect is what we call a natural disaster. In other words when the hazardous threat actually happens and harms humans, we call the event a natural disaster. Natural Hazards (and the resulting disasters) are the result of naturally occurring processes that have operated throughout Earth's history. Effects of Hazards Hazardous process of all types can have primary, secondary, and tertiary…...

Earthquake in Japan

On March 11, 2011, the most effective earthquake ever taped hit Japan's eastern coast. It killed hundreds of people as it made its way through the streets and fields, sweeping away boats, cars and trucks and houses. Its magnitude was 8.9, launching a 23-foot tsunami and after that provoking more than 50 aftershocks for hours. This dreadful occasion led to the loss of countless lives and ravaged whole towns. The amount of damage brought on by the earthquake and resulting…...

Causes and Effects of Earthquakes

There are some programs, like the ones that are broadcast at National Geographic Channel, where professionals show us on many opportunities documentaries about earthquakes and the amount of damage that they had produced in some areas. But… what is an earthquake? We can define them as the shaking of the Earth’s surface caused by the rapid movement of the Earth’s rocky outer layer. In addition, earthquakes results from two main factors and can have two harmful effects. There are two…...

The effect of earthquake

What is earthquake? Earthquake is just a sudden movement of the earth’s crust caused by the release stress accumulated along geologic faults by volcanic activity but just because of this sudden movement, it can destroy a city in a few minutes. As far as the environmental problems which are widely prevalent in the twenty-first century are concerned, earthquakes definitely stand out as the most widespread one. Even though most of the government takes measures to rout out earthquakes, they are disappointed. There are three main effect of earthquake is damaging to buildings, loss of human life and psychological effects to survivors. First,…...

The tourism impact of volcanic eruption

Executive summary A volcanic eruption happened on Mount Ontake which caused over 50 tourist dead in centre Japan on September 27,2014. Mount Ontake located on the Japanese island of Honshu about 100 kilometers northeast of Nagoya and about 200 km southwest of Tokyo. This report discusses the impact of the Mt Ontake volcanic eruption in tourism industry and made some suggestion for the following recovery of Reconstruction process. Introduction This report discusses the impact of the Mt Ontake volcanic eruption…...

The Impact of Earthquake Hazards

Discuss the view that the impact of earthquake hazards depends primarily on human factors (40 marks). It is impossible for anybody to argue that human factors do not have an effect on the impact caused by earthquake hazards; however the extent of the effect is debatable depending on the situation. This can depend on many different aspects, for instance the level of development in the relevant country, the standard of infrastructure, the magnitude and location of the quake and lastly…...

Plate Tectonics

Ever given that the beginning on time, Human beings believed the ground is solid and immobile. However this is not real whatsoever. The Earth is every-changing and continually in movement. The stability of the Earth is not what we believe it is. Believing about the rotational axis of the Earth, and possibly of what the Earth may end up being at a specific point in time, has a great impact on comprehending all aspects of living things, either in the…...

Informative speech about earthquake

Good morning everyone, I am Jialin Yin. Today, I want to talk about the earthquake. In 2008 May 12th, it was the first time that I felt the earthquake which was a 7.8-magnitude earthquake happened in Wenchuan China. At that time, I was a 7th grade student and sit in class room, then, I noticed that the light on the ceiling began to shake slightly. Then, the broadcast news reminds me, that was an earthquake and approximately 70000 people died…...

Haiti Earthquake

January 12, 2010 became the moment of tragedy for the population of Haiti: an earthquake of terrible force stroke the small island, killing and injuring thousands of people. The earthquake turned into a devastating power, destroying everything in the epicenter and miles beyond. It was the most powerful earthquake in Haiti in more than 100 years. Now, several months after the tragic event, Haitian authorities still work to restore the economic and social stability in the region. Earthquakes are difficult…...

San Francisco 1906 Earthquake

Over the many decades the economic standing of the United States, specifically California, had fluctuated due to many unforeseen factors. One huge factor that cannot be anticipated, and often causes drastic effects on the economy, are geologic disasters. The state of California is notorious for having earthquakes that shake up the state quite often and leave the affected area with a substantial amount of damage. The 1906 earthquake of San Francisco was the largest geologic disaster known to the nation…...

Tectonic Hazard Profiles and Natural Disasters

Definition of tectonic hazard, plate movements, LEDCs, MEDCs, responses, people and governments (human responses) Hazard profile sections of report: magnitude, frequency, predictability Concepts and theories: models and diagrams Case studies: LEDC Haiti earthquake, MEDC tsunami Japan, California, China Introduction Tectonic activity varies due to geographical location and position of tectonic plate boundaries. The Earth's crust is made up of continental and oceanic plates, which move across the surface of the planet, meeting at plate boundaries. Plate tectonics cause volcanic activity,…...

Dynamics San Andreas Reflection

We just recently had a lesson in Science about earthquakes and talk about some stuff until we arrived on how about we will watch the new movie “San Andreas” directed by Brad Peyton. So our teacher agreed to our suggestion and we felt excitement because we knew that we will be watching an action-packed movie. I watched the trailer at home again to know what I should expect from the movie. And I also felt curious about the San Andreas…...

Natural Disasters

A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include floods, tsunami, volcanic, earthquakes, tornadoes and other geologic processes. A natural disaster can cause loss of life or property damage, and typically leaves some economic damage in its wake, the severity of which depends on the affected population's resilience, or ability to recover. The causes of natural disasters are many. Human activities play a role in the frequency and severity of disasters. A…...

Convection Currents and Earthquakes

There are many different reasons why the earth's crust is moving. Some for example are the friction between two plates causing major earthquakes. Sometimes when this plates are pushed together they form fold mountains or ridges. Today we know that the continents are gradually moving apart. Therefore the there is new rocks created in between those areas. New volcanoes are created and new rocks are formed. Plate tectonics allow scientists to know about the earth's centre. The oceanic plate slides…...

Geologic Hazards And Disasters

The word geo means the earth. The earth consists of all things that can be seen by the physical eye and also those that exist dip in the earth crust. Most of what comprises the earth is natural and very few of them are artificial. These things include mountains, rivers, lakes, trees, Ice Mountains and other phenomena. Human being is the soul living creature that is in charge of the earths happens and the events that take place in the…...

Endogenetic Process

The Endogenetic processes are the processes that shape the land by forces coming from within the earth (Endogenetic forces). There are 3 main Endogenetic processes: folding, faulting and volcanism. They take place mainly along the plate boundaries, which are the zones that lay on the edges of plates. These zones are weak. Endogenetic processes cause many major landform features. MOVEMENTS: The forces coming from within the earth cause two types of movements in the earth. Horizontal movements Vertical movements These…...

Student and Social Service

Life is too short for acquiring knowledge. Student life is very useful because it prepares students for the real life. It means that student life is a life of learning. Students are the future citizens of the country and have different roles to play. Like others, students have also their duties towards the society. Social service can be, and should be done by all, but students are especially useful for social service. Though they should devote a greater part of…...

The Causes For Tsunami

Abstract A tsunami is a set of ocean waves caused by any large, abrupt disturbance of the sea surface (NOAA, 2007). A very large disturbance can cause local devastation and export tsunami destruction even to thousands of miles away. Predicting when and where the next tsunami will strike are impossible, but once the tsunami is generated, forecasting tsunami arrival and impact is possible through modeling and measurement technologies. The recent development of real-time deep ocean tsunami detectors and tsunami inundation…...

Earthquakes in GCC countries

An Earthquake known also as tremor is resulted from a sudden release of energy ,which takes place in the earths crust, which then creates seismic waves. They are vibrations triggered by movement of rocks that have been strained (deformed) beyond their elastic limit. This activity called seismicity or seismism of an area refers to type , size and frequency over a time period. Earthquakes are measured using many instruments ( up to atleast 20 different types of measures) seismometers and…...

Earthquake Diary Entry

The day started off as a nice calm day. My mom and I were reading a book and then all of a sudden I could hear this rumbling sound that seemed to come from inside earth. It started off as a gentle vibration then after a few minutes the noise and the vibrations became more violent. It was as if the earth had a terrible stomach ache. The shake got more violent after a few minutes pictures were thrown of…...

Disadvantages of Dams

Dams are extremely expensive to build and must be built to a very high standard. 2. The high cost of dam construction means that they must operate for many decades to become profitable. 3. The flooding of large areas of land means that the natural environment is destroyed. 4. People living in villages and towns that are in the valley to be flooded, must move out. This means that they lose their farms and businesses. In some countries, people are…...

An Overview of Soil Liquefaction Process

Introduction Soil 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 and soil compaction and vibroflotation (which uses a vibrating probe to change the grain structure of the surrounding soil), produce this…...

Disasters can take many different forms and the duration can

Disasters can take many different forms, and the duration can range from an hourly disruption to days or weeks of ongoing destruction. Disasters also can be caused by humans. Hazardous materials emergencies include chemical spills and groundwater contamination. Workplace fires are more common and can cause significant property damage and loss of life. Communities are also vulnerable to threats posed by extremist groups who use violence against both people and property.High-risk targets include military and civilian government facilities, international airports,…...

Environmental Engineering - Increasing Earthquakes

ENVIRONMENTAL ENGINEERING ASSIGNMENT 5 Increasing Earthquakes Osama Ausaf When we get up each morning, the main news that will be on the news is that a tremor has happened somewhere in the world. From the beginning of the year, not a day cruises by, without a breaking news about a seismic tremor. In spite of the fact that there have been billions of seismic tremors in ongoing decades, 2018 is by all accounts having a dominant part of it. Perhaps…...

Plan of Disaster Prevention and Mitigation???118010910037My

Plan of Disaster Prevention and Mitigation???118010910037My hometown is Yaan, Sichuan Province. It is a small city on the southwest of China. Since it is close to a seismic fault line and surrounded by many mountains,disasters such as earthquakes and landslides occur occasionally in my hometown. In my memory, earthquakes are one of the most serious disasters to my home town. We suffered the Wenchuan earthquake in 2008 and the Yaan earthquake where the source is exactly in Yaan in 2013.…...

Earthquakes National Geographic

The energy stored on the earth’s surface is emitted as earthquakes occur. When earthquakes are more frequently correlated with earth surface shifting, minor earthquakes may also occur far from plate margins. Some earthquakes are frequently connected to rock fault lines. Shock Waves Once energy is absorbed onto the earth, shock waves are going in either direction. The deep stage where the rapid activity is taking place is considered the focal point. The epicentre is the location where the shock waves…...

Earthquake: Causes and Effects

Good morning! Respected Principal, teachers and my dear companions, I stand before you to speak on the topic of an earthquake. The quaking and trembling of the earth's surface due to the movement of plates is known as an earthquake. An earthquake is a natural disaster. It is strange but true that most of the earthquakes seem to occur in the winter season. According to scientists, it may be caused by volcanoes and rocks that move within the earth's surface.…...

Earthquake Zones of Bharat

Earthquakes ar one among the most important natural hazards and answerable for the lives of thousands of individuals and therefore the emission of seismal waves damages the structural buildings, roads and non-structural parts. Buildings being one among the prime structures for world, so necessary study ought to be administrated to understand the earthquake engaged on the structure and what is going to be the response of the structure. The harm on the structural component chiefly depends on the magnitude and…...

Earthquakes: Natural Disasters

The previous earthquakes reveals destruction of essential lifeline facilities like overhead water tanks in recrudescence, governing to risky hazards even afterwards the event. Prevailing seismic design strategy of water tanks is not adequate in current scenario and so dynamic analysis of elevated tanks are encyclopedically studied. In this paper, the interaction between the structure and soil is investigated by modeling a water tank as easier as possible to seizure the overall respond of the system. The tank modeled is overhead…...

Inca Achievements: Fortifications and Buildings

Their buildings have proven earthquake resistant for 500 years, today they serve as foundations for many buildings. The Incas were skilled stonemasons, they used granite and limestone to build their cities and forts to protect them. System of roads and bridges The Incas were really good engineers. They built a system of roads and bridges across the roughest terrains of the Andes. Through their system of collective labor and the most advanced centralized economy, the Incas were able to secure…...

Earthquake Statistics and Prediction

Earthquake is one of the devastating events in natural hazards that causes great casualties and property damage every day in the world since it is hard to predict. With the increasing amount of earthquake datasets collected, many researchers try to solve the task of predicting the earthquake in future time. Earthquake prediction is to estimate the time, location, and magnitude of the future earthquake. In this project, we will use precursory pattern-based feature extraction method for earthquake prediction, which can…...

Critical Issues of Earthquakes

Over the last few years, earthquake have damaged many buildings ; now it is a critical issue to build while taking in consideration the seismic risk. Scholars study earthquake and the behaviour of buildings during an earthquake. Numerical simulation has made significent progress in seismic research. Refined finite element structure give better results with a good calculation time, so this is a widely approved method by searchers. Now, searchers can create an environment similar to reality to have better result.…...

Analysis of the Earthquakes

Earthquake is a vicious tremor in the earth crust, conveying a progression of stun and delayed repercussion waves toward all paths from its core interest. Earthquake establish one of the most horrible normal risks which frequently transform into calamity causing broad annihilation and loss of human lives and their properties. A fatal quake shook Nepal and sent tremors through Indian subcontinent. An exceptional ground shaking struck Central Nepal on 25 April 2015 (neighborhood time 11:56 a.m.). The minute greatness of…...

FAQ about Earthquake

Why Was the Haiti Earthquake so Deadly?

...In conclusion, Haiti’s death toll was so overwhelmingly high because of the money/economy/leadership, not being able to fund any sort of repairs for Port-au-Prince, leaving many to die. The geography of Haiti contributed to the death toll as Haiti ...

Why did so many people die in the 1995 Kobe Earthquake?

...The two different types of factors link with each other in a way. When the buildings collapsed which is a primary, human factor, later on this meant that emergency vehicles could not reach some areas therefore a secondary, human factor. The secondary ...

Explain why the Philippines and California are affected by disasters in different ways

...Overall, the Philippines and California are affected by disasters in different ways because of the economic resources of the country, the country’s development and because of its physical geography. California has more money to invest in things lik ...

What is Earthquakes?

...In its most general sense, the word earthquake is used to describe any seismic eventwhether natural or caused by humansthat generates seismic waves. Earthquakes are caused mostly by rupture of geological faults, but also by other events such as volca ...

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