earthquakes

In Mexico City of 1985 and San Francisco of 1989 there were big earth quavers. Many earth died and may creates were done for(p). About 100,000 people were killed and over 300,000 buildings were destroyed or damaged. Both of these Earthquakes were quite similar. The 1985 Mexico City earthquake was one of the exclude devastating earthquakes in the history of the Americas. On Thursday, phratry 19, 1985, at 7:19 am. local time, Mexico City was struck by an earthquake of magnitude 8.1 on the Richter scale. The epicenter of the earthquake was end the Pacific coast of the Mexican state of Michoacán, a surpass of 350 km, in the Cocos Plate subduction zone. It was felt as ut roughly away as Los Angeles, California. Many residents of Mexico City fight the ordained statistics, and believe that deaths from the quake exceeded 60,000 and more likely approached 100,000. thither was an additional magnitude 7.5 aftershock 36 hours later (the evening of Friday, September 20), whic h caused far-flung panic among the already battered population of the city. A magnitude of 7.5 is enough to destroy buildings within a spoke of one hundred fifty kilometers. Building damage was turn by soil liquefaction which causes the exit of foundation support and contributes to dramatic settlement of large buildings.

The buildings most damaged were from 6-15 stories in height. The coarse damage was due in part to lax enforcement of building codes and the lack of deep foundations in many Mexico city buildings. Adding to this damage, the egest and sewage systems were destroyed, contaminating the citys water supply. Electricity lines were also destroy! ed and the sparking edges of the wires caused fires. Additionally international communication theory were severely discontinue due to the collapse of the Central communications Center of the Ministry of communications and Transport isolating the city from fast help and assistance. The quake caused major portions of three of the citys largest hospitals to collapse,...If you want to waste ones time a full essay, order it on our website: OrderCustomPaper.com

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