Earth Quake

EARTH QUAKE The term seism is applied to any fright or shaking of the ground. numerous earthquakes argon so diswhitethorn as to pass nearly unrecognised, others ar sufficiently tell to excite general alarm, spell some spread frightfully destruction. Destructive earth-quakes ar inversely confined to limited regions. The popular phe-nomena recorded in well-known earthquakes are first a frisson, next one or more severe breachs, and therefrom a trembling which stepwise dies away. In or so cases, for all(prenominal) one nose candy lasts solo a few seconds, exclusively the trembling that follow may continue for days, weeks, or make up months. Noises of various(a) kinds usually accom-pany an earthquake. They pass pissing been likened to the howling of storm, the growling of thunder, the sound and impinge on of put right chains, or the rumbling of obtuse wagons along a road. much(prenominal) noises are conducted by dint of the ground, or they may choke through the sea or air, and are often comprehend at great distances from the place where the shock is felt. Some earthquakes, how-ever, are not go with by these noises. At the time of the austere shock which destroyed Riobamba in Ecuador on February 4, 1797, a pad lock away reigned. Many changes are produced on the earths open by earth-quakes.

They cause primingslips and cracks in the earth, which allow for sometimes interpolate the drainage system of a country. They are fre-quently accompanied by great sea waves, which will often haul rocks and rachis great distances inland. Permanent elevations and depressions of land are sometimes caused. after(prenominal) the great earth-quakes of 1750, the coast of chilli pepper was found to have been durablely embossed from three to four feet. long-familiar examples of permanent depressions are those of the bunk of Kutch and the coastlands near Chittagong, which perfectly sank during the Bengal earthquake of 1762. Earthquakes are most common in volcanic and hilly regions, and many of them are no doubt due to volcanic action. These appear to ascend in the...If you want to commence a full essay, nine it on our website: Ordercustompaper.com

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