The Christchurch earthquake is one of 2 case studies that you need to learn for the tectonic hazard section.
If you don't prepare yourself with facts and figures you will severely limit what marks you can get!
Causes:
Christchurch is a city in New Zealand.
It was 6.3 on the Richter scale and 8 on the Mercalli scale. Christchurch is a city in New Zealand The earthquake took place at a conservative plate margin between the Pacific plate and the Australian plate. Canterbury was not seen as an earthquake risk and so protection was not in place |
Effects |
Responses |
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•30,000 Chemical toilets provided •A cardboard church was erected whilst the stone cathedral is rebuilt. •Australia gave $5m in aid •The farmy army came to help – farmers brought their heavy machinery from rural areas to help clear rubble. •Aid workers arrived from Japan, Australia, UK and many other countries •80% of roads and all water/sewerage repaired by August. •There are now regular earthquake drills. •Buildings built before 2011 are being retrofitted with earthquake proof devices. •Homes are no longer allowed to be built in earthquake zones. |
This video shows the damage in Christchurch and also explains the process of liquefaction:
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