EARTHQUAKES o Plates sliding pass each other create friction o Friction builds up creating stress (a force) o Force is greater than plate can withstand‚ budges and breaks‚ creating earthquakes o Release a lot of energy KEY TERMS Seismology- the study of earthquakes and their effects Seismometer/ Seismograph - equipment measuring the amount of ground motion caused by an earthquake ***Let’s do a demo*** Seismogram- record of ground motion produced
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Earthquakes An earthquake is a shaking or trembling of the crust of the earth caused by underground volcanic action or by the breaking and shifting of rock beneath the surface. The volcanic action and shifting rocks create strain which continues to build to a sudden release of pressure resulting in a shock wave. The vibrations produced in the crust can vary from barely noticeable to enormously destructive. Shock waves can be classified into two broad categories. Waves that send particles oscillating
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Earthquakes By: Kayla Marie Vargas Period 4 In earth science they talk a lot about different Earthquakes‚ volcanoes‚ the weather‚ different rocks‚ and etc. But never did you really get in details of what is any of them. Well I did research and found out that an earthquake which is also known as a quake‚ tremor or temblor is a result of a sudden release of energy in the Earth’s crust that creates seismic waves. The seismicity‚ seismism or seismic activity of an area refers to the frequency
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EARTHQUAKE Introduction An earthquake is the result of a sudden release of energy in the Earth’s crust that creates seismic waves. CAUSE OF EARTHQUAKE Earthquakes are caused by the movement of the earth’s tectonic plates. Earthquakes occur where the earth’s plates meet along plate boundaries (see plate tectonics page for more information on this).For example as two plates move towards each other‚ one can be pushed down under the other one into the mantle. If this plate gets stuck it
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EARTHQUAKES DHORI: Cracks on a salt marsh can be seen on this aerial view of the epicentre of the recent earthquake near Dhori village some 20 km. (12 miles) from Bhuj in the western Indian state of Gujarat‚ Saturday Feb. 3‚ 2001. (AP Photo/Enric Marti) AHMEDABAD: Residents of Ahmedabad‚ India‚ survey earthquake damage Saturday‚ Jan. 27‚ 2001. Officials predicted as many as 6‚000 may have been killed in the 7.9 magnitude earthquake in western India on Friday.(AP Photo/Saurabh Das) The 2001 Gujarat
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Earthquakes are one of the most destructive natural disasters. It is when the stored energy beneath the Earth’s surface is discharged and shakes the ground. The impact of this event is one of the most traumatic ones because it can put long term effects on a large area. They are proven to be unpredictable but once it strikes‚ all in a few seconds‚ cities and towns are completely flattened. Continue on to discover more about this dangerous calamity. Did you ever know that the earth can also move
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Earthquakes are one of the most destructive of natural hazards. Earthquake occurs due to sudden transient motion of the ground as a result of release of elastic energy in a matter of few seconds. The impact of the event is most traumatic because it affects large area‚ occurs all on a sudden and unpredictable. They can cause large scale loss of life and property and disrupts essential services such as water supply‚ sewerage systems‚ communication and power‚ transport etc. They not only destroy villages
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| Earthquake Preparedness | Public Administration | | Lorena Hedges | 9/18/2012 | I will be discussing the needs of a budget and what supplies will be in the budget plan. Then you will read some about the shelter provided‚ population of the community‚ and damages caused by earthquakes. There will be information about the policy and procedures to follow for an earthquake and what challenges we have to face. The conclusion will be completed in the next phase. | Earthquake Preparedness
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Earthquakes are vibrations of earth caused by the rapid release of energy. These earthquakes can be caused by faults in the Earth’s crust scraping against each other. Faults are constantly sliding past each other‚ but can occasionally have difficulty when the earth around these faults cracks‚ causing the path to become rugged. When they don’t slide easily‚ they cause tension. When the tension and pressure is released‚ this causes said vibrations that can be large enough to damage and destroy cities
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Course Title IEQ-05 : Earthquake Geology and Geoinformatics (Dept. of Earthquake Engineering‚ IIT Roorkee) What is an earthquake? An earthquake is the vibration of the earth produced by the quick release of energy. Most often‚ earthquakes are caused by movement along large fractures in the earth’s crust. Such fractures are called faults. The energy that is released radiates in all directions from its origin in the form of waves. These waves are similar to the waves that occur when you drop a
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