- Located In New Zealand
- On the Pacific ring of fire
- Located on conservative plate margin a the Indo-Australian plate is moving past the Pacific plate.
- Original quake was on 4th September 2010 and the most destructive quake was on 22nd February 2011
The Earthquake
- 4th September earthquake measured 7.1 on richter scale and there were 361+ aftershocks in the first week
- 22nd February earthquake measured 6.3 on richter scale
- 22nd February had a very shallow focus of 5km deep
- Christchurch is above sedimentary rock which is prone to liquefaction and shaking
Impacts
Social
- 181 killed (80 from collapse of CTV tower)
- 80% of the city without power
Economic
- Increased unemployment
- lost benefits of hosting rugby world cup
Environmental
- Liquefaction
- Earth rose 1cm and moved closer to Sydney
Responses
- $6-7 million in aid
- A plan was devised within 2 hours
- Response centres were set up such as the Canterbury art gallery which is earthquake proof
- Temporary housing provided
- 6 months after the quake 80% of the roads had been repaired
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