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An earthquake occurred in Christchurch on at 12:51 p.m. local time (23:51 UTC) and registered 6.3 on the Richter scale. The earthquake struck the Canterbury Region in New Zealand's South Island〔〔(M6.3 – South Island of New Zealand ), USGS〕 and was centred west of the port town of Lyttelton, and south-east of the centre of Christchurch, at the time New Zealand's second-most populous city.〔 The earthquake caused widespread damage across Christchurch, killing 185 people〔〔 in the nation's second deadliest natural disaster. Christchurch's central city and eastern suburbs were badly affected, with damage to buildings and infrastructure already weakened by the magnitude 7.1 Canterbury earthquake of 4 September 2010 and its aftershocks. Significant liquefaction affected the eastern suburbs, producing around 400,000 tonnes of silt. The earthquake was felt across the South Island and parts of the lower and central North Island. While the initial quake only lasted for approximately 10 seconds, the damage was severe because of the location and shallowness of the earthquake's epicentre in relation to Christchurch and previous quake damage. Subsequent population loss saw the Christchurch main urban area fall behind the Wellington equivalent to decrease from second to third most populous area in New Zealand. ==Casualties== 185 people from more than 20 countries died in the earthquake. Over half of the deaths occurred in the six-storey Canterbury Television (CTV) Building, which collapsed and caught fire in the earthquake. The government declared a state of national emergency, which stayed in force until 30 April 2011. Of the 185 victims, 115 people died in the Canterbury Television building alone, while another 18 died in the collapse of PGC House, and eight were killed when masonry fell on Red Bus number 702 in Colombo Street.〔 An additional 28 people were killed in various places across the city centre, and twelve were killed in suburban Christchurch.〔 Due to the injuries sustained some bodies remained unidentified. Between 6,600 and 6,800 people were treated for minor injuries (ECAN Review October 2011), and Christchurch Hospital alone treated 220 major trauma cases connected to the quake. Rescue efforts continued for over a week, then shifted into recovery mode. The last survivor was pulled from the rubble the day after the quake. The nationalities of the deceased are as follows.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2011 Christchurch earthquake」の詳細全文を読む スポンサード リンク
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