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Beginning of Paper
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Earthquakes
Earthquakes have plagued our lives for as long as people have inhabited
the earth. These dangerous acts of the earth have been the cause of many deaths
in the past century. So what can be done about these violent eruptions that take
place nearly with out warning? Predicting an earthquake until now has almost
been technologically impossible. With improvements in technology, lives have
been saved and many more will. All that ....
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Middle of Paper
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.... of travel. P
waves always travel at higher velocities than S waves, so whenever an earthquake
occurs, P waves are the first to arrive and to be recorded at geophysical
research stations worldwide.(Associated Press 1993)
Earthquake waves were observed in this and other ways for centuries, but
more scientific theories as to the causes of quakes were not proposed until
modern times. One such concept was advanced in 1859 by the Irish engineer Robert
....
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ADDITIONAL FEATURED ESSAYS
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