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Earthquakes
Part 1 of Paper
.... 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 rem.... Part 2 of Paper
.... oscillating back and forth in the
same direction as the waves are traveling, whereas secondary or transverse shear
waves (S waves) impart vibrations perpendicular to their direction 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 theorie.... |
| Number of words: 1303 - Approximate pages: 5 |
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