Whilst some properties collapsed others subsided.
Liquefaction was significantly greater in the 22nd February 2011 aftershock than the 4th September 2010 earthquake, causing the upwelling of more than 200,000 tonnes of silt which needed to be cleared. The increased liquefaction caused significant ground movement, undermining many foundations and destroying infrastructure, damage which "may be the greatest ever recorded anywhere in a modern city". 80% of the water and sewerage system was severely damaged.
Size: 4256px × 2831px
Location: Christchurch, South Island, New Zealand
Photo credit: © Adrian Page / Alamy / Afripics
License: Licensed
Model Released: No
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