Digital Photograph: Earthquake Damage to Road on Norwich Quay, Lyttelton
One landscape colour digital photograph taken on 25 February 2011 showing earthquake damage to the road, footpath and retaining wall on Norwich Quay. The photograph is taken from below the intersection of Norwich Quay and Canterbury Street looking east along Norwich Quay.
25 Feb 2011
Associated Event Notes
Lyttelton/Christchurch/Canterbury/South Island/New Zealand
Unlike most areas of Christchurch, land damage on the Port Hills was due to physical changes to the slopes of the hills; Lyttelton did not have liquefaction occurring as the soil composition of the Port Hills is different to that in the flat parts of Christchurch. In Lyttelton much of this damage was cracking where retaining walls or banks slumped or gave way. As well as the risk posed by weakened walls or earth banks in aftershocks, unrepaired cracking can lead to water infiltration and erosion or undermining of these damaged areas.
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