The city of Christchurch suffered a devastating M7.1 earthquake on 4 September 2012, known as the Darfield earthquake. A M6.3 aftershock on 22 February 2011 was even more damaging. There were widespread hydrological responses to this earthquake (Cox et al., 2012) and widespread liquefaction.
Consequences of liquefaction and subsidence and lateral spreading: the bridge on the right used to connect to the road on the left.
Consequences for houses and telephone poles.
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