Research Paper On Earth Quake

Research Paper On Earth Quake-43
An earthquake’s epicenter is the point on the Earth’s surface directly above the source or focus of the earthquake.Most earthquakes are small and cause little or no damage, but very large earthquakes, followed by a series of smaller aftershocks, can be devastating.

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With that he anticipated the perception that would lead to an understanding of the cause of earthquakes.The Greek philosopher Anaximenes of Miletus (585–526 BCE) thought that periods of dryness and wetness were responsible for earthquakes.Aristotle (384–322 BCE) described earthquakes as the consequence of compressed air captured in caves; his ideas were used to explain meteorological phenomena and earthquakes until the Middle Ages.His own works made an outstanding contribution to the development of the sciences.Georgius Agricola (1494–1555), a German humanist, physician, and mineralogist, believed that earthquakes were the consequence of a subterranean fire ignited by the sun.The long-lasting hypothesis of a central subterranean fire, proposed by the Greek philosopher Pythagoras (570–500 BCE), was revived in the book Mundus Subterraneus by German scholar Athanasius Kircher (1601–1680).During the eighteenth century scientists became increasingly convinced that no natural phenomenon was unexplainable, thus an explanation for earthquakes became a challenge for scientists of the Enlightenment.Earthquakes are experienced as shockwaves or intense vibrations on the Earth’s surface.They are usually caused by ruptures along geological fault lines in the Earth’s crust, resulting in the sudden release of energy in the form of seismic waves.Another significant step was taken by the Irish engineer Robert Mallet (1810–1881) when he began documenting worldwide earthquake occurrences.He compiled a catalog of six thousand earthquakes from which he was able to draw the most complete earthquake map of the world in 1857.

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