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Earthquakes - Example Papers

Earthquakes

An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time. Earthquakes are measured with a seismometer (also called a seismograph). The moment magnitude (or the obsolete Richter magnitude, numerically similar over the range of validity of the Richter scale) of an earthquake is conventionally reported, with magnitude 3 or lower earthquakes being mostly almost imperceptible and magnitude 7 and over causing serious damage over large areas. The largest earthquakes in ...

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themselves by shaking and sometimes displacement of the ground. When a large earthquake epicenter is located offshore, the seabed may be displaced sufficiently to cause a tsunami. Earthquakes can also trigger landslides, and occasionally volcanic activity.
In its most general sense, the word earthquake is used to describe any seismic event—whether natural or caused by humans—that generates seismic waves. Earthquakes are caused mostly by rupture of geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. An earthquake's point of initial rupture is called its focus or hypocenter. The epicenter is the point at ground level directly above the ...

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Earthquakes. (2011, March 16). Retrieved April 25, 2024, from http://www.essayworld.com/essays/Earthquakes/96207

"Earthquakes." Essayworld.com. Essayworld.com, 16 Mar. 2011. Web. 25 Apr. 2024. <http://www.essayworld.com/essays/Earthquakes/96207>

"Earthquakes." Essayworld.com. March 16, 2011. Accessed April 25, 2024. http://www.essayworld.com/essays/Earthquakes/96207.

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PAPER DETAILS

Added: 3/16/2011 07:52:00 PM
Submitted By: Tacoche
Category: Environment
Type: Premium Paper
Words: 299
Pages: 2

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