Christchurch EQ

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  • Created by: Ruth
  • Created on: 09-05-14 10:10
Where?
NZ, east coast of South Island. Strike slip between Indo-Australian and Pacific plates
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When?
22nd February 2011
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Magnitude
6.2
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Epicentre
10km SE of Christchurch, 5km deep
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Death toll
185
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Power cuts
10,000 homes, 95% restored after 4 weeks
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Outmigration
Christchurch population decreased by 2.4%
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Cost
£21 billion
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Economic recovery
will take 50-100 years, at 10% of GDP per annum
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Liquefaction
400,000 tonnes of sediment from underground - river energy reduced - changes to landforms and ecosystems
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Event
Homes are built to stringent standards to withstand EQs. Older buildings are rebuilt. The government had recommendations from Canterbury Earthquake Royal Commission to form legislation, thus EQ prone buildings strengthened or destroyed in 20 years
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Vulnerability
All homeowners in NZ conduct a Household Emergency Plan - safe areas in the home are determined
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Loss
300 Australian police were flown in and an emergency cabinet meeting was held at 3pm to coordinate emergency operations
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Evaluation
Over 50% of the deaths were due to the Canterbury TV building collapsing. If measures had been in place, the death toll would be reduced.
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Loss
CAVE technology used to treat PTSD as exposure treatment - surface motion simulated by floor shakers and spatial sound system.
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Card 2

Front

When?

Back

22nd February 2011

Card 3

Front

Magnitude

Back

Preview of the front of card 3

Card 4

Front

Epicentre

Back

Preview of the front of card 4

Card 5

Front

Death toll

Back

Preview of the front of card 5
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