11.3.3

Case Study: Christchurch, New Zealand Earthquake

Test yourself

Earthquake Case Study - Christchurch, New Zealand

Two earthquakes hit the city of Christchurch, on New Zealand's south-east coast, in late 2010/early 2011. The second one hit the city centre, killing 185 and destroying much of the CBD.

Illustrative background for 1st earthquake (4/9/10)Illustrative background for 1st earthquake (4/9/10) ?? "content

1st earthquake (4/9/10)

  • Magnitude 7.1.
  • Struck at 4.35am on a Saturday.
    • People were asleep and the streets mostly empty.
  • Buildings were weakened, which became an issue in the 2nd earthquake.
  • More education about earthquake safety was encouraged as a response.
    • E.g. 'Turtle safe' - an earthquake safety resource aimed at preschool children which encourages them to act like a turtle during an earthquake.
Illustrative background for 2nd earthquake (22/2/11) factsIllustrative background for 2nd earthquake (22/2/11) facts ?? "content

2nd earthquake (22/2/11) facts

  • Magnitude 6.3, hit closer to the CBD than the first earthquake.
  • Hit at 12.51pm on a Tuesday.
    • Thousands of people were out and about at work and school.
    • The city centre was busy.
  • There were 185 deaths and 1000's of injuries.
    • 130 deaths caused by the collapsing of the Canterbury TV and Pyne Gould Corporation buildings.
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2nd earthquake damage

  • The Provincial Council Chambers and the Anglican Christchurch Cathedral were completely destroyed.
  • Over half of the buildings in the central business district have been (intentionally) demolished since as they were no longer safe, including the Hotel Grand Chancellor.
  • Liquefaction sludge moved upwards through cracks in residential streets.
  • Water and sewage from broken pipes flooded the streets.
  • Several thousand homes in the 'red zone' were demolished because they could no longer be safely inhabited.
Illustrative background for 2nd earthquake responsesIllustrative background for 2nd earthquake responses ?? "content

2nd earthquake responses

  • State of emergency declared by national government on 23rd February.
  • Christchurch's CBD was cordoned off until June 2013 in some locations.
  • 75% of power reinstated within 96 hours.
  • Local residents and the creative community have been taking over the 'empty spaces' in the CBD with art installations and street art.

Jump to other topics

1Geography Skills

2Geology of the UK

3Geography of the World

4Development

5Weather & Climate

6The World of Work

7Natural Resources

8Rivers

9Coasts

10Glaciers

11Tectonics

12Climate Change

13Global Population & Inequality

14Urbanisation

15Ecosystems

16Life in an Emerging Country

17Analysis of Africa

18Analysis of India

19Analysis of the Middle East

20Analysis of Bangladesh

21Analysis of Russia

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