Christchurch - earthquake

Question 1

Where?

Answer 1

New Zealand

Question 2

When?

Answer 2

22nd February 2011

Question 3

Magnitude?

Answer 3

6.3

Question 4

Causes

Answer 4

• Pacific ring of fire

- Pacific plate converges Indo-Australian plate - subduction

Question 5

Impacts

Answer 5

• 184 killed
• Buildings collapsed, half the city’s buildings destroyed
• 150,000 homes damaged
• Liquefaction - widespread and severe = Pipes ruptured
• 500,000 residents moved to different parts of New Zealand
• 13 schools closed
• Potential tourists, rethink
• Total loss of NZ economy = NZ $6 billion
  = 13% if GDP

Question 6

Responses

Answer 6

• The government established the Canterbury Earthquake Recovery Authority (CERA) to start construction of CC = $13 billion
• City divided into 2 zones, based on damage
• REDZONE= worst affected, liquefaction.
• The government agreed to buy 5000 of worse affected insured properties/land.
• GREENZONE= 100,000 homes located here, likely to be rebuilt
• Reduce impact of liquefaction = increase foundation strength, reinforce with ion stone columns, but not enough to prevent subsidence
• International aid via money = $6-7 million
• Temporary house provided.