The Earthquake Of Christchurch Earthquake

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An analysis on the mechanism of destruction, impact, recovery, responses and future steps of the 2011 M6.3 Earthquake in Christchurch, New Zealand. Helena (Jiahui) Zhang 250641678 November 18 2014 Geography 2152F Mark Moscicki Table of Contents 1.0 Description of Event 2 2.0 Causes 3 3.0 Impacts 5 4.0 Responses 7 5.0 Recovery 8 6.0 Suggestions for future steps 10 7.0 Bibliography 11 1.0 Description of the Event The Christchurch earthquake with a magnitude of 6.3 (Ritcher scale) hit New Zealand’s second largest city, Christchurch, on February 22, 2011 (Fig1). Figure 1. Map of New Zealand. In red the affected zone of Christchurch earthquake (Earthweek, 2014). It’s recognized as the second deadliest earthquake in New Zealand following the 7.8 Hawkes bay Earthquake (Kaiser et al, 2012). The earthquake was first thought to be an aftershock of the 7.1 Darfield earthquake of September 2010 at the eastern edge. This was an area that originally was of a low earthquake occurrence rate since prior to 2011 there was no knowledge of a fault’s existence thus catching the New Zealand citizens off-guard. The Christchurch earthquake resulted in 185 casualties affecting more than 300,000 people (Kaiser et al, 2012). The earthquake first made contact with in the South Islands, only 10 km away from the center of Christchurch. Ground motions were unusually large near Christchurch measuring 2.2 g and 1.7g at the epicenter, the point directly above
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