The world has encountered a sequence of earthquakes of excessive magnitudes. In 2010 the devastating earthquake were 7. 0 earthquake hitting Haiti in January that took away greater than two lakhs valuable lives, the huge 8.2 magnitude earthquake in Fiji in August, the 7. 5 earthquake in Indonesia in September, and a 7. 9 value earthquake in Fiji during September. Geographical studies state that several million earthquakes shake the earth each year, however, they go overlooked as most of them arise in sparely populated areas. The destruction, death, and sorrow related to earthquakes often makes us surprise why and how they happen. Best Sellers in Office Products How Does an Earthquake Occur? The earth can be divided into three major layers: the outermost crust, center mantle, and innermost core ( inner and outer core). The crust and the upper mantle collectively form a strong layer known as the lithosphere .This strong lithosphere is further
