![]() Subsequent population loss saw the Christchurch main urban area fall behind the Wellington equivalent, to decrease from second- to third-most populous area in New Zealand. While the initial quake only lasted for approximately 10 seconds, the damage was severe because of the location and shallowness of the earthquake's focus in relation to Christchurch as well as previous quake damage. ![]() The earthquake was felt across the South Island and parts of the lower and central North Island. Significant liquefaction affected the eastern suburbs, producing around 400,000 tonnes of silt. It caused widespread damage across Christchurch, killing 185 people, in New Zealand's fifth-deadliest disaster.Ĭhristchurch's central city and eastern suburbs were badly affected, with damage to buildings and infrastructure already weakened by the magnitude 7.1 Canterbury earthquake of 4 September 2010 and its aftershocks. The M w6.2 ( M L6.3) earthquake struck the entire of the Canterbury region in the South Island, centred 6.7 kilometres (4.2 mi) south-east of the central business district. ![]() Port Hills near Christchurch, Canterbury, New Zealandģ.5 m (11 ft) tsunami waves in the Tasman Lake, following quake-triggered glacier calving from Tasman Glacier Ī major earthquake occurred in Christchurch on Tuesday 22 February 2011 at 12:51 p.m.
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