EarthQuakes Earth flickers Earthquakes, one of the most destructive natural phenomena, consist of prodigal vibrations of rock near the earths surface. Because of their unpredictable occurrence and enormous cognitive content of destruction, they have brought fear to mankind since ancient times. A superstar shock usually breaks no more than a a few(prenominal) seconds, except a series of smaller quakes may last for as long as five minutes. The quake felt up on the surface is always the result, not the cause of around underground geologic process, and in umpteen cases the damage make is immense. The Greek word for shaking, and (when applied to the earth) earthquake, is seismos.
Therefore, the knowledge of earthquakes is called seismology (World Book dictionary 1985). Earthquakes have been recorded as primaeval as 526 A.C., but seismology is comparatively new. Until the 18th century, few finished descriptions of earthquakes were recorded, and little was know about what caused them. When seismology was introd...If you want to get a full essay, recite it on our website:
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