The earthquake occurred on New Zealand’s South Island, 10km west of Christchurch, at 12.51 pm on 22nd February 2011 and lasted just 10 seconds. Measuring 6.3 on the Richter Scale and, at 4.99 km deep, the earthquake was very shallow. The earthquake occurred along a conservative margin between the Pacific Plate and the Australasian Plate. Take a look at the Christchurch earthquake animated map to see the swarm of foreshocks and aftershocks.
What were the effects of the Christchurch earthquake?
The primary effects included:
Christchurch, New Zealand’s second city, experienced extensive damage
185 people were killed
3129 people were injured
6800 people received minor injuries
100,000 properties were damaged, and the earthquake demolished 10,000
$28 billion of damage was caused
water and sewage pipes were damaged
the cathedral spire collapsed
liquefaction destroyed many roads and buildings
2200 people had to live in temporary housing
The video below shows the effects of the earthquake one minute after it struck.
The secondary effects included:
five Rugby World Cup matches were cancelled
schools were closed for two weeks
1/5 of the population migrated from the city
many businesses were closed for a long time
two large aftershocks struck Christchurch less than four months after the city was devastated
Economists have suggested that it will take 50 to 100 years for New Zealand’s economy to recover
80% of respondents to a post-event survey stated that their lives had changed significantly since the earthquake
What were the immediate responses to the Christchurch earthquake?
The immediate responses included:
around $6-7 million of international aid was provided
The Red Cross and other charities supplied aid workers
rescue crews from all over the world, including the UK, USA, Taiwan and Australia, provided support
more than 300 Australian police officers flew into Christchurch three days after the earthquake. They were sworn in with New Zealand policing powers and worked alongside New Zealand officers enforcing law and order and reassuring the people of Christchurch
30,000 residents were provided with chemical toilets
What were the long-term responses to the Christchurch earthquake?
The long-term responses included:
the construction of around 10,000 affordable homes
water and sewage were restored by August 2011
the New Zealand government provided temporary housing
Many NGOs provided support, including Save the Children
Canterbury Earthquake Recovery Authority was created to organise rebuilding the region. It had special powers to change planning laws and regulations.
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