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Research papers, University of Canterbury Library

This study contains an evaluation of the seismic hazard associated with the Springbank Fault, a blind structure discovered in 1998 close to Christchurch. The assessment of the seismic hazard is approached as a deterministic process in which it is necessary to establish: 1) fault characteristics; 2) the maximum earthquake that the fault is capable of producing and 3) ground motions estimations. Due to the blind nature of the fault, conventional techniques used to establish the basic fault characteristics for seismic hazard assessments could not be applied. Alternative methods are used including global positioning system (GPS) surveys, morphometric analyses along rivers, shallow seismic reflection surveys and computer modelling. These were supplemented by using multiple empirical equations relating fault attributes to earthquake magnitude, and attenuation relationships to estimate ground motions in the near-fault zone. The analyses indicated that the Springbank Fault is a reverse structure located approximately 30 km to the northwest of Christchurch, along a strike length of approximately 16 km between the Eyre and Ashley River. The fault does not reach the surface, buy it is associated with a broad anticline whose maximum topographic expression offers close to the mid-length of the fault. Two other reverse faults, the Eyrewell and Sefton Faults, are inferred in the study area. These faults, together with the Springbank and Hororata Faults and interpreted as part of a sys of trust/reverse faults propagating from a decollement located at mid-crustal depths of approximately 14 km beneath the Canterbury Plains Within this fault system, the Springbank Fault is considered to behave in a seismically independent way, with a fault slip rate of ~0.2 mm/yr, and the capacity of producing a reverse-slip earthquake of moment magnitude ~6.4, with an earthquake recurrence of 3,000 years. An earthquake of the above characteristics represents a significant seismic hazard for various urban centres in the near-fault zone including Christchurch, Rangiora, Oxford, Amberley, Kaiapoi, Darfield, Rollestion and Cust. Estimated peak ground accelerations for these towns range between 0.14 g to 0.5 g.

Research papers, University of Canterbury Library

In recent work on commons and commoning, scholars have argued that we might delink the practice of commoning from property ownership, while paying attention to modes of governance that enable long-term commons to emerge and be sustained. Yet commoning can also occur as a temporary practice, in between and around other forms of use. In this article we reflect on the transitional commoning practices and projects enabled by the Christchurch post-earthquake organisation Life in Vacant Spaces, which emerged to connect and mediate between landowners of vacant inner city demolition sites and temporary creative or entrepreneurial users. While these commons are often framed as transitional or temporary, we argue they have ongoing reverberations changing how people and local government in Christchurch approach common use. Using the cases of the physical space of the Victoria Street site “The Commons” and the virtual space of the Life in Vacant Spaces website, we show how temporary commoning projects can create and sustain the conditions of possibility required for nurturing commoner subjectivities. Thus despite their impermanence, temporary commoning projects provide a useful counter to more dominant forms of urban development and planning premised on property ownership and “permanent” timeframes, in that just as the physical space of the city being opened to commoning possibilities, so too are the expectations and dispositions of the city’s inhabitants, planners, and developers.

Videos, UC QuakeStudies

Video of an interview with Tom Hooper, Chief Executive of the Canterbury Development Corporation, about the experiences of businesses in the aftermath of the 2010 and 2011 Canterbury earthquakes. Hooper talks about the changes in the workforce, business innovation, and the benefits of collaboration in Christchurch. He also talks about the importance of having a disaster recovery plan. This video is part of a series about businesses in Christchurch after the earthquakes.

Images, UC QuakeStudies

A poster created by Empowered Christchurch to advertise their submission to the CERA Draft Transition Recovery Plan on social media.The poster reads, "Submission, CERA Draft Transition Recovery Plan. Prime Minister Assurance. Let us remember the much-quoted assurance from the Prime Minister in 2011: 'On behalf of the Government, let me be clear that no one will be left to walk this journey alone. New Zealand will walk this journey with you. We will be there every step of the way. Christchurch; this is not your test; this is New Zealand's test. I promise we will meet this test.' We call on the authorities to live up to this promise. We need a city that is driven by the people that live in it, and enabled by a bureaucracy that accepts and mitigates risks, rather than transferring them to the most vulnerable of its residents".

Videos, UC QuakeStudies

A video of a presentation by Dr Penelope Burns during the second plenary of the 2016 People in Disasters Conference. Burns is the Senior Lecturer in the Department of General Practice at the University of Western Sydney. The presentation is titled, "Recovery Begins in Preparedness".The abstract for this presentation reads as follows: Involvement of primary care doctors in planning is essential for optimising the health outcomes of communities during and after disasters. However, our experience in Australia has shown that primary care doctors have not been included in a substantial way. This presentation will highlight our experience in the Victorian and New South Wales bushfires and the Sydney Siege. It will stress the crucial need to involve primary care doctors in planning at national, state, and local levels, and how we are working to implement this.

Images, UC QuakeStudies

A poster created by Empowered Christchurch to advertise their submission to the CERA Draft Transition Recovery Plan on social media.The poster reads, "Submission. CERA Draft Transition Recovery Plan. After nearly five years of 'Emergency Response' where sustainability has been sacrificed in the interests of speed, we can assume that this phase is now behind us. We see no reason why this period should be extended until April 2016. Lessons must be learned from the past. It is time to move into the 'Restoration Phase'. Once seismic and building standards are corrected, and risks are notified, mapped and accepted, sustainability will be ensures. We need a city that is driven by the people that live in it, and enabled by a bureaucracy that accepts and mitigates risks, rather than transferring them to the most vulnerable residents. We support option 3+."

Images, Alexander Turnbull Library

Text at top reads 'Some Christchurch suburbs to move?... The cartoon shows three complete suburbs that have been dug up and are now being flown by helicopters attached to tall towers to their new spots on the Australian Gold Coast. Someone in one of the houses on the move yells 'Woohoo! Yeehaa! Well... As NZ and Ozzie are such great mates... Gold Coast here we come!' Context - In some cases where whole communities have to move because the earthquakes have made it impossible for them to remain in their present locations, many in the community have elected to try to move and relocate together in order to retain their old neighbours and community spirit. Quantity: 1 digital cartoon(s).