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Images for 2011; more images...

Images, UC QuakeStudies

Damage to River Road in Richmond. The road surface is badly cracked and slumped, and liquefaction silt covers part of the road. The photographer comments, "Liquefaction in River Rd. This is minor compared to many streets in town".

Images, UC QuakeStudies

A photograph of a spray-painted message on a fence reading, "4 sale - handy mans dream. Mild reno's needed. Easy indoor/outdoor flow - with water feature!" The photograph is captioned by Paul Corliss, "New Brighton by QEII Drive".

Images, UC QuakeStudies

Detail of the partially-demolished Henry Africa's building. The photographer comments, "A building housing a restaurant and a great little neighbourhood bar is finally coming down because of earthquake damage. Henry's doorway. Still standing - the zebra striped doorway into Henry Africa's".

Images, UC QuakeStudies

Damage to a building in Victoria Street. Part of the facade has fallen, and the rest is leaning forward and in danger of falling onto the road below. The photographer comments, "Shops in Victoria St, facades leaning forward over footpath".

Images, UC QuakeStudies

A photograph of a spray-painted message on a fence reading, "4 sale - handy mans dream. Mild reno's needed. Easy indoor/outdoor flow - with water feature!" The photograph is captioned by Paul Corliss, "New Brighton by QEII Drive".

Images, UC QuakeStudies

Detail of the partially-demolished Henry Africa's building. The photographer comments, "A building housing a restaurant and a great little neighbourhood bar is finally coming down because of earthquake damage. Henry's doorway. Still standing - the zebra striped doorway into Henry Africa's".

Images, UC QuakeStudies

Detail of damage to a house in Richmond. The brick wall is badly cracked and twisted. The photographer comments, "These photos show our old house in River Rd and recovery work around Richmond and St Albans. More ruptured brickwork".

Images, UC QuakeStudies

A photograph submitted by Ginny Larsen to the QuakeStories website. The description reads, "I work for Neighbourhood Trust in Mairehau/Shirley. In April 2011 a group of people from Liberty Church came down to Christchurch to gift 100s of Easter boxes to residents – lots of treats to bring a smile.".

Research papers, University of Canterbury Library

Asset management in power systems is exercised to improve network reliability to provide confidence and security for customers and asset owners. While there are well-established reliability metrics that are used to measure and manage business-as-usual disruptions, an increasing appreciation of the consequences of low-probability high-impact events means that resilience is increasingly being factored into asset management in order to provide robustness and redundancy to components and wider networks. This is particularly important for electricity systems, given that a range of other infrastructure lifelines depend upon their operation. The 2010-2011 Canterbury Earthquake Sequence provides valuable insights into electricity system criticality and resilience in the face of severe earthquake impacts. While above-ground assets are relatively easy to monitor and repair, underground assets such as cables emplaced across wide areas in the distribution network are difficult to monitor, identify faults on, and repair. This study has characterised in detail the impacts to buried electricity cables in Christchurch resulting from seismically-induced ground deformation caused primarily by liquefaction and lateral spread. Primary modes of failure include cable bending, stretching, insulation damage, joint braking and, being pulled off other equipment such as substation connections. Performance and repair data have been compiled into a detailed geospatial database, which in combination with spatial models of peak ground acceleration, peak ground velocity and ground deformation, will be used to establish rigorous relationships between seismicity and performance. These metrics will be used to inform asset owners of network performance in future earthquakes, further assess component criticality, and provide resilience metrics.

Research papers, Victoria University of Wellington

We aim to investigate the role of insurance in business recovery following the devastating Christchurch earthquake in February, 22nd, 2011. We analyze data from two business surveys conducted after the earthquake to examine how insurance affected business operation in the aftermath of the earthquake both in the short-term and longer-term. For the short-term analysis, we use a combination of propensity score matching (PSM) and linear probability model (LPM) to analyze the data. We first estimate the propensity scores for insurance take-up of each firm conditional on the firm’s individual characteristics. Stratification based on the estimated propensity scores is used to match the treated (insured) and the control (uninsured) firms. We then estimate the probability of firms’ continuing operations with a set of control variables to account for the level of damage and disruption caused by the quake in each stratum. We find little evidence of any beneficial effect of insurance coverage on business continuity in the short-run. For the longer-term analysis, we analyze the available survey data using logistic regression. The result suggests that business interruption insurance significantly promotes increased level of long-term productivity for surviving firms following the earthquake.

Images, UC QuakeStudies

A photograph submitted by Raymond Morris to the QuakeStories website. The description reads, "The Provincial Hotel, corner Barbadoes and Cashel streets is one the buildings now missing after the 2011 earthquakes, paintings of others can be found on the artist Raymond Morris’s flickr site (http://www.flickr.com/photos/rayso180/sets/72157626939956494/)".

Images, UC QuakeStudies

The University of Canterbury's E-Learning team's temporary office in the James Hight building. The photographer comments, "First looks at our new temporary (maybe) office space. Our group will stay here until April or May 2011, then will move to another floor in the Central Library. Getting sorted. Most gear in place, still making adjustments".

Images, UC QuakeStudies

A member of the University of Canterbury's E-Learning team in their temporary office in the James Hight building. The photographer comments, "First looks at our new temporary (maybe) office space. Our group will stay here until April or May 2011, then will move to another floor in the Central Library. Room 709 sofas".

Images, UC QuakeStudies

A member of the University of Canterbury's E-Learning team in their temporary office in the James Hight building. The photographer comments, "First looks at our new temporary (maybe) office space. Our group will stay here until April or May 2011, then will move to another floor in the Central Library. Our office, Room 709".

Images, UC QuakeStudies

The University of Canterbury's E-Learning team's temporary office in the James Hight building. The photographer comments, "First looks at our new temporary (maybe) office space. Our group will stay here until April or May 2011, then will move to another floor in the Central Library. Jess's desk. Viewed from my side of the couch".

Images, UC QuakeStudies

A car drives onto the damaged Dallington bridge. The bridge has visibly moved relative to the road, there is a large gap at the side of the bridge, and the railings are warped. The photographer comments, "Dallington Bridge northern approach, Gayhurst Rd".