Case study of earthquake disaster management in earthquake
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Case Study: Nepal Earthquake. A devastating 7.8-magnitude earthquake struck northern Nepal, on April 25, 2015, injuring over 22,000 people and killing over 8,0001 in addition to causing significant infrastructure damage.
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Explanation:
Earthquake is a violent tremor in the earth crust, sending out a series of shock and aftershock waves (L waves) in all direction from its focus. Earthquakes constitute one of the most terrible natural hazards which often turn into disaster causing extensive devastation and loss of human lives and their properties. A deadly earthquake shook Nepal and sent tremors through Indian subcontinent. On 25th April and 12th May 2015, Nepal and its surrounding area were hit by earthquakes which are considered to be the most devastating in the living memory of the inhabitants of these affected areas. The 7.9 magnitude quake was the strongest to hit Nepal for 81 years. It was the most horrible natural disaster to hit Nepal since the 1934 Nepal–Bihar border earthquake. The quake measuring 7.9 on the Richter scale, which was followed by 97 aftershocks of magnitudes 3.0-6.9 on Richter scale, caused heavy casualties in Kathmandu and injured thousand others. The earthquakes had its epicentre at Lumjung, around 80 km north-west of Kathmandu. It had its impact in several areas in Nepal and India. It was also felt in northern and north-eastern part of India, China, Tibet, Bangladesh and as far as Pakistan. Continued aftershocks occurred throughout Nepal and its adjacent area at 15–20 minutes intervals, with one shock reaching a magnitude of 6.9 on 26 April at 12:42 IST. It was a major earthquake similar in intensity to the 1934 Munghyr and the 2001 Gujarat Earthquakes. A second major earthquake occurred on 12 May 2015 at 12:35 IST with a magnitude of 7.3 on Richter scale. The epicentre was near the China border between Kathmandu and Mt. Everest, at Kodari around 113 kms east of Kathmandu. It struck at the depth of 18.5 km. This earthquake occurred along the same fault as the original earthquake of 25 April 2015. As such, it is considered to be an aftershock of the 25 April quake. Tremors were also felt in Bihar, Uttar Pradesh, West Bengal and other North-east Indian States