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Images, UC QuakeStudies

A snapshot from GPS Boomerang's SmartBird flight over the Christchurch red zone on 5 June 2012, looking over Victoria Square with the Forsyth Barr Building, the Victoria Apartments and the PriceWaterHouseCoopers Building visible.

Images, UC QuakeStudies

A snapshot from GPS Boomerang's SmartBird flight over the Christchurch red zone on 23 December 2012, looking over Bedford Row with Latimer Square in the distance to the left. The Newstalk ZB Building has been demolished.

Images, UC QuakeStudies

For the first time in November 2011, Christchurch residents finally had the opportunity to see the earthquake-damaged city centre on the Red Zone bus tours organised by CERA. A partial view of the Hotel Grand Chancellor.

Images, UC QuakeStudies

A snapshot from GPS Boomerang's SmartBird flight over the Christchurch red zone on 23 December 2012, looking over Durham Street with Gap Filler's Pallet Pavilion to the left, on the site of the Crowne Plaza Hotel.

Images, UC QuakeStudies

Photograph captioned by BeckerFraserPhotos, "A digger working on the remains of Gough House with the fragile remains of the wooden heritage building, Shands Emporium (one of Christchurch's oldest retail buildings), still standing on Hereford Street".

Images, UC QuakeStudies

Members of the USAID Disaster Assistance Response Team and New Zealand Urban Search and Rescue Team in front of a collapsed house in the Christchurch central city. In the background, the Newstalk ZB Building can be seen.

Research papers, University of Canterbury Library

essential systems upon which the well-being and functioning of societies depend. They deliver a service or a good to the population using a network, a combination of spatially-distributed links and nodes. As they are interconnected, network elements’ functionality is also interdependent. In case of a failure of one component, many others could be momentarily brought out-of-service. Further problems arise for buried infrastructure when it comes to buried infrastructure in earthquake and liquefaction-prone areas for the following reasons: • Technically more demanding inspections than those required for surface horizontal infrastructure • Infrastructure subject to both permanent ground displacement and transient ground deformation • Increase in network maintenance costs (i.e. deterioration due to ageing material and seismic hazard) These challenges suggest careful studies on network resilience will yield significant benefits. For these reasons, the potable water network of Christchurch city (Figure 1) has been selected for its well-characterized topology and its extensive repair dataset.

Images, UC QuakeStudies

For the first time in November 2011, Christchurch residents finally had the opportunity to see the earthquake-damaged city centre on the Red Zone bus tours organised by CERA. Damage to buildings can be seen out the window.