When nature gets angry devastating earthquake in Nepal, 2015

Abstract

Earthquake is a natural catastrophe recurrent different part of the globe; afflict human life and causes mass devastation to properties. Due to massive urbanization and increase in the population density, earthquakes are becoming more devastating. Like other natural calamities, earthquake can’t be predicted. Seismic activity below the 4.0 M_W is a common event occurring different parts of the earth crust. When the quake is more than the 5 M_W, it can be felt and may damage property, and cause death mainly from collapsed buildings. One of the most seismically active regions in the world is the Ring of Fire, which is a string of around the edges of the Pacific Ocean. As estimation, this region is responsible for 90% of all earthquakes, consisting of 75% of all active volcanoes on Earth. It is a horseshoe shaped area more like a 40,000-kilometer. There are numerous examples of devastating earthquake worldwide which is accounted for millions of deaths, severe economic damage and creating a long term psychological trauma among the survivors. In 1976 a 7.8M_W quake hit in Tangshan, China claimed 242,000 lives. In the same year, 7.5M_W macroseism in Guatemala took 22,778 lives. 8.1M_W earthquake in 1985, Mexico City, killed 10,000 residents. In 1988, an earthquake of 6.9M_W in Armenia took 24,944 lives.