ESSAY ON EARTHQUAKE PDF
An earthquake is the shaking of the surface of the Earth. Earthquakes can be extremely violent. They are caused by weird movements of the Earth's tectonic. Free Essay: Earthquakes Earthquakes, one of the most destructive natural phenomena, consist of rapid vibrations of rock near the earth's surface. Because of. We have provided below essay on earthquake under two categories named short essay on earthquake and long essay on earthquake. We are.
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An earthquake is a natural phenomenon like rain. Earthquakes have occurred for billions of years. Descriptions as old as recorded history show. Earthquakes-causes and effects. Prof. D Chandrasekharam. Department of Earth Sciences. Head, Centre of Studies in Resources Engineering. Indian Institute. The earthquake caused far more deaths and demage than people thought. Describe the experience and the terrible scenes you have seen. Do you think there is.
We know that various forces of nature are responsible for changes in the crust of the earth. It originates naturally and below the surface. It sometimes causes a permanent change of level at the surface of the earth. The point on the surface vertically above it is known as the epicentre. The intensity of tremor is at the maximum near this epicentre.
Earthquakes are destructive natural disasters that have the potential to occur. Earthquakes greatly impact various locations around the world. Generally, earthquakes typically only last for a few brief moments but they can greatly impact a society. One of which include the Nepal Earthquake of April 25, This particular earthquake flattened large parts of the capital Kathmandu and also, caused destruction throughout the already improvised Himalayan nation.
The earthquake in Nepal was the most…. Abstract Earthquake engineering is a subject where a person can be overwhelmed with information but still crave for knowledge due to its unpredictable nature. Earthquakes are a natural repetitive occurrence on planet earth, which due to its devastating impact, have caused a lot of damage to structures and caused loss of life. Therefore engineers, scientists and geologists were required to take action and one of the many first steps was to identify the regions of seismic activity.
Essay on Earthquake: Top 10 Essays on Earthquake
The argument in…. Volcanoes and Earthquakes are Sisters, Not Twins Volcanoes and Earthquakes are two of the most intriguing natural disasters that can occur on earth. Unlike hurricanes and tornadoes, they can awaken at almost any point in time throughout the year.
These two natural disasters are also different from others because they occur on the layers of the earth itself. Volcanoes, while large to us, are actually small, conical patches of earth that spurt and ooze hot molten lava from the core, and can destroy…. A powerful earthquake occurred just off the coast of central Chile during Wednesday evening local time and has produced a tsunami over the Pacific basin.
Essay on EarthQuakes
The quake is the third most powerful earthquake in five years to strike the South America nation. PDT on Wednesday. The quake lasted for approximately three minutes. Deadly 8. The horrific earthquake was located in the mountainous dominant region of Sichuan, south-western China. The earthquake was measured to have a magnitude of 8.
The quake affected four-fifths of the buildings located in the area. Towns, villages and schools had collapsed and had been destroyed. Close to 90, people were tallied as missing or dead. The Chinese Government report stated that more than….
Most earthquakes occur at a plate boundary, usually along the Circum-Pacific belt. However, they can also occur from a volcanic eruption, or an atomic explosion. There are two different types of shocks to a major earthquake; there is a foreshock and an aftershock…. In other word earthquake is crust release energy caused by shaking and plate tectonics are suddenly move.
Most of the earthquakes come with minor tremors however larger earthquakes with strong tremors generally begins with slight tremors but soon gets changed into more violent shocks. Stronger earthquakes generally end up with huge and forced vibrations at long distance from the main point of arousal.
It gradually diminishes with reduced aftershocks.
The focus of earthquakes becomes the subterranean point where it originates. Magnitude and intensity of the earthquake can be measured with the help of variety of scales such as Richter scale, moment magnitude scale, modified Mercalli scale, etc.
Earthquake is a life threatening event that responsible for the huge damage to the living and non-living beings. Earlier, it was quite hard to imagine the intensity of the earthquake before its occurrence. However, now-a-days, it has become easy to estimate the magnitude and intensity of earthquake because of the instrumental advancement in the world. People, in the ancient time, believed that earthquake occurs as mother earth was angry with them.
It was Aristotle a great Greek philosopher who relate the occurrence of earthquake to some physical factors. According to him, the compression of air within the arch escapes cause shakes of some part of the earth surface and called as volcanic activity.
Earthquake is a natural calamity can occur anytime and anywhere on the earth surface, cause lots of disturbance of to the living beings and useful natural resources. If we think about the earthquake, we also think that nothing is more destructive than this natural calamity.
Earthquake has its long devastating history from the ancient time all over the world however its monotonous regularity makes us more fearful. Earth crust consists of several unfixed solid rock faces which move slowly below the surface under the range of millimeters to kilometers. The rate of movement increases with the thickness of plates. Such huge moving plates get separated from other plates and get out of their boundaries. Earthquake occurs when such moving plates clash with each other and separate.
Sometimes volcanos located around edges of the Pacific Ocean, known as Ring of Fire bursts and releases lots of lava, gas, etc which causes pressure and imbalance within the earth surface and produces earthquake waves in the surrounding areas.
Thus, volcanic activity within the earth surface is one of the reasons for earthquakes. Faults created by the volcanic activitiy are filled up by the strong earht surface movement which causes tremor. Everyone should take care of them when earthquake occurs by following some precautions like:. Earthquake is a natural calamity which has power to destroy human lives in few seconds.
It is lonely responsible for the huge damage to living and non-living beings. Earlier, people were unaware of the reasons of earthquake occurrence and the extent of damage. They believed that earthquake occur whenever mother earth become angry with them.
It was Aristotle a great Greek philosopher who made people aware that earthquake occur because of some physical factors.
He told that, some parts of land moves whenever air compressed within the arch escapes which is called as volcanic activity. Earthquake waves cause movement in the surrounding areas because of air pressure and imbalance. Another reason of earthquake occurrence is isostatic adjustment.
Earth surface contains some raised and depressed blocks which make balance of earth surface however the balance disturb when blocks moves revolving on units of axis. Raised blocks get down and cause imbalance on the earth surface which inturn cause earthquake.
Generally, it occurs in the volcano prime areas, under the feet of mountains and hills. However, it is not sure that earthquakes do not occur in other places. Earthquake may occur anytime in any part of the world.
Essay on Earthquake: Top 10 Essays on Earthquake
Some of the earthquakes become weak however some of them become very strong with huge force which may shake the earth suface far away from the centre point. Earthquakes with huge intensity become really dangerous and cause severe damage. According to the scientific study with the help of Seismograph, there are some secondary waves and tertiary waves in the earthquake. Himalaya zone, the Ganga, Deccan Plateau, the Brahmaputra valleys, etc are the earthquake prone areas in India.
Kutch Gujarat, India earthquake of the year was so massive calculated 8 on Richeter Scale and affected a huge area around square kilometers depressed by 15 feet and square kilometers raised by 50 feet. More than people were killed in the earthquake event of Latur and Osmanabad districts of Maharashtra on 30 th of September in Earthquake is the result of release of elastic energy after forceful tectonic plate movements. Elastic energy released in the form of seismic or shock waves which travels for a long distance outwards in all directions from the centre point a place of maximum destruction.
High-rise buildings and ancient structures of the cities like Delhi can be badly affected by the seismic force of earthquake. Earthquake is a very dangerous natural disaster which occurs as a sudden shaking movement of rocks in the earth's crust. Some of the earthquakes of low intensity become less dangerous however earthquakes having high intensity become very dangerous and can be extremely violent especially in the areas it occurs.
There is no any fix duration for the occurrence of earthquake, it may occur anytime and anywhere for any duration.
It may be brief but repeat many times a day.
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