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Christchurch Earthquake 2011

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Ellie Gadd

on 20 March 2013

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Transcript of Christchurch Earthquake 2011

New Zealand, 2011 Christchurch Damage Caused Impacts Location Causes Responses to short term impacts Event Profile Preparedness for the future Primary Impacts Individuals could use the drop, cover and hold approach to help prevent injury during the quake.
Immediately after the earthquake there was a focus on rescuing those people who were trapped and injured and moving others to safety.
International aid was provided in the form of money (around $6-7 million) and aid workers. Teams from Australia, Japan, the United States, Britain, Singapore and Taiwan joined hundreds of local rescuers digging through the rubble.
Australia was sent more than 140 specialist search and rescue personnel as well as medical staff and a 75-bed field hospital to provide emergency assistance. Some 300 police were also on their way.

New Zealand is located on top of a destructive plate margin where the Pacific and Australian Plates meet.
Christchurch is not directly on the boundary, but is near to active secondary faults that result from the bend in the plate boundary to the north. Local emergency response teams have continued to be supported and have played an important role in recent events such as the Hobsonville tornado.
The recruitment and training of volunteers has continued.
Back-up communication systems are critical in any emergency. They have built and extended the existing networks to ensure that they could be used right across the region.
The Auckland Civil Defence controller said "There is a need for greater capability for situational awareness, alternate buildings for enlarged Emergency Co-ordination Centres, greater integration and training for Civil Defence professionals and volunteers, improved public alerting and information systems, greater support for business resilience, greater knowledge of key hazards impacting on Auckland"
Before After Magnitude? 6.3 - an aftershock from the 7.1 earthquake that occurred on 3rd September 2010
When? 22nd February 2011 at 12.51 pm (lunchtime)
Where? Christchurch - 2nd largest city
Death Toll? 185
Depth? 5.9 km (3.7 miles)
Intensity? Because of the 185 deaths and the 2000 people injured, this earthquake was made the second-deadliest natural disaster recorded in New Zealand.
Over half of the deaths occurred in the 6-storey Canterbury Television (CTV) Building, which collapsed and caught fire in the quake.
Buildings and infrastructure were already weakened by the 2010 earthquake, causing significantly more damage. 50% of Central City buildings severely damaged (cathedral lost its spire)
Liquefaction affected the eastern suburbs, producing around 400,000 tonnes of silt.
80% of the city lost power.
Part of the country’s longest glacier was broken off creating a large iceberg (size of 20 football pitches) Secondary Impacts Business were put out of action for long periods causing losses of income and jobs.
Schools had to share classrooms because of the damage to other school buildings.
Damage to roads through liquefaction made it difficult for people and emergency services to move around.
People were affected mentally by the earthquakes and needed support.
Christchurch could no longer host Rugby World Cup matches so lost the benefits, e.g. tourism and the income that they would bring.
The total cost of rebuilding has been estimated at NZ$15 billion Economic Impacts Employment in the construction industry rose by 18% in Canterbury - mainly involved in reconstruction projects. This may lead to possible labour or skills shortages in some trades, such as services.
Tourism was seriously affected e.g. international guest nights were down 32% in the Canterbury region in September 2011.
The estimated $15 billion rose to $20 billion. This includes $13 billion for the residential sector, $4 billion for the commercial sector and $3 billion for infrastructure. Bibliography http://www.stuff.co.nz/auckland/local-news/local-blogs/off-pat/8442703/We-learn-from-Christchurch-quakes
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