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Research papers, University of Canterbury Library

Abstract. Natural (e.g., earthquake, flood, wildfires) and human-made (e.g., terrorism, civil strife) disasters are inevitable, can cause extensive disruption, and produce chronic and disabling psychological injuries leading to formal diagnoses (e.g., post-traumatic stress disorder [PTSD]). Following natural disasters of earthquake (Christchurch, Aotearoa/New Zealand, 2010–11) and flood (Calgary, Canada, 2013), controlled research showed statistically and clinically significant reductions in psychological distress for survivors who consumed minerals and vitamins (micronutrients) in the following months. Following a mass shooting in Christchurch (March 15, 2019), where a gunman entered mosques during Friday prayers and killed and injured many people, micronutrients were offered to survivors as a clinical service based on translational science principles and adapted to be culturally appropriate. In this first translational science study in the area of nutrition and disasters, clinical results were reported for 24 clients who completed the Impact of Event Scale – Revised (IES-R), the Depression Anxiety Stress Scales (DASS), and the Modified-Clinical Global Impression (M-CGI-I). The findings clearly replicated prior controlled research. The IES-R Cohen’s d ESs were 1.1 (earthquake), 1.2 (flood), and 1.13 (massacre). Effect sizes (ESs) for the DASS subscales were also consistently positive across all three events. The M-CGI-I identified 58% of the survivors as “responders” (i.e., self-reported as “much” to “very much” improved), in line with those reported in the earthquake (42%) and flood (57%) randomized controlled trials, and PTSD risk reduced from 75% to 17%. Given ease of use and large ESs, this evidence supports the routine use of micronutrients by disaster survivors as part of governmental response.

Research papers, The University of Auckland Library

As part of a seismic retrofit scheme, surface bonded glass fiber-reinforced polymer (GFRP) fabric was applied to two unreinforced masonry (URM) buildings located in Christchurch, New Zealand. The unreinforced stone masonry of Christchurch Girls’ High School (GHS) and the unreinforced clay brick masonry Shirley Community Centre were retrofitted using surface bonded GFRP in 2007 and 2009, respectively. Much of the knowledge on the seismic performance of GFRP retrofitted URM was previously assimilated from laboratory-based experimental studies with controlled environments and loading schemes. The 2010/2011 Canterbury earthquake sequence provided a rare opportunity to evaluate the GFRP retrofit applied to two vintage URM buildings and to document its performance when subjected to actual design-level earthquake-induced shaking. Both GFRP retrofits were found to be successful in preserving architectural features within the buildings as well as maintaining the structural integrity of the URM walls. Successful seismic performance was based on comparisons made between the GFRP retrofitted GHS building and the adjacent nonretrofitted Boys’ High School building, as well as on a comparison between the GFRP retrofitted and nonretrofitted walls of the Shirley Community Centre building. Based on detailed postearthquake observations and investigations, the GFRP retrofitted URM walls in the subject buildings exhibited negligible to minor levels of damage without delamination, whereas significant damage was observed in comparable nonretrofitted URM walls. AM - Accepted Manuscript

Research papers, The University of Auckland Library

In 2010 and 2011, Aotearoa New Zealand was hit by a number of major disasters involving loss of human life and severe disruption to social, ecological and economic wellbeing. The Pike River mine explosions were closely followed by a sequence of major earthquakes in Christchurch, seismic events that have permanently altered the lives of thousands of people in our third largest city, the closure of the central business district and the effective abandonment of whole residential areas. In early October 2011, the ship, Rena, grounded on a reef off the port of Tauranga and threatened a major oil spill throughout the Bay of Plenty, where local communities with spiritual and cultural connections to the land depend on sea food as well as thrive on tourism. The Council for Social Work Education Aotearoa New Zealand (CSWEANZ), representing all the Schools of Social Work in New Zealand, held a ‘Disaster Curriculum’ day in November 2011, at which social workers and Civil Defence leaders involved in the Christchurch earthquakes, the Rena Disaster, Fiji floods and the Boxing Day tsunami presented their narrative experience of disaster response and recovery. Workshops discussed and identified core elements that participants considered vital to a social work curriculum that would enable social work graduates in a range of community and cultural settings to respond in safe, creative and informed ways. We present our core ideas for a social work disaster curriculum and consider a wide range of educational content based on existing knowledge bases and new content within a disaster framework. http://www.swsd-stockholm-2012.org/

Research papers, The University of Auckland Library

During the recent devastating earthquakes in Christchurch, many residential houses were damaged due to widespread liquefaction of the ground. In-situ testing is widely used as a convenient method for evaluating liquefaction potential of soils. Cone penetration test (CPT) and standard penetration test (SPT) are the two popular in situ tests which are widely used in New Zealand for site characterization. The Screw Driving Sounding (SDS) method is a relatively new operating system developed in Japan consisting of a machine that drills a rod into the ground by applying torque at seven steps of axial loading. This machine can continuously measure the required torque, load, speed of penetration and rod friction during the test, and therefore can give a clear overview of the soil profile along the depth of penetration. In this paper, based on a number of SDS tests conducted in Christchurch, a correlation was developed between tip resistance of CPT test and SDS parameters for layers consisting of different fines contents. Moreover, using the obtained correlation, a chart was proposed which relates the cyclic resistance ratio to the appropriate SDS parameter. Using the proposed chart, liquefaction potential of soil can be estimated directly using SDS data. As SDS method is simpler, faster and more economical test than CPT and SPT, it can be a reliable alternative in-situ test for soil characterization, especially in residential house constructions.

Research Papers, Lincoln University

The paper examines community benefits provided by an established community garden following a major earthquake and discusses possible implications for community garden planning and design in disaster-prone cities. Recent studies show that following extreme storm events community gardens can supply food, enhance social empowerment, provide safe gathering spots, and restorative practices, to remind people of normality. However, the beneficial role played by community gardens following earthquakes is less well known. To fill this gap, the study examines the role played by a community garden in Christchurch, New Zealand, following the 2010/2011 Canterbury Earthquakes. The garden's role is evaluated based on a questionnaire-based survey and in-depth interviews with gardeners, as well as on data regarding the garden use before and after the earthquakes. Findings indicate the garden helped gardeners cope with the post-quake situation. The garden served as an important place to de-stress, share experiences, and gain community support. Garden features that reportedly supported disaster recovery include facilities that encourage social interaction and bonding such as central meeting and lunch places and communal working areas.

Research papers, Victoria University of Wellington

The Mѡ=7.1 Darfield (Canterbury) earthquake struck on 4 September 2010, approximately 45 km west of Christchurch, New Zealand. It revealed a previously unknown fault (the Greendale fault) and caused billions of dollars of damage due to high peak ground velocities and extensive liquefaction. It also triggered the Mw=6.3 Christchurch earthquake on 22 February 2011, which caused further damage and the loss of 185 lives. The objective of this research was to determine the relationship between stress and seismic properties in a seismically active region using manually-picked P and S wave arrival times from the aftershock sequence between 8 September 2010-13 January 2011 to estimate shear-wave splitting (SWS) parameters, VP =VS-ratios, anisotropy (delay-time tomography), focal mechanisms, and tectonic stress on the Canterbury plains. The maximum horizontal stress direction was highly consistent in the plains, with an average value of SHmax=116 18 . However, the estimates showed variation in SHmax near the fault, with one estimate rotating by as much as 30° counter-clockwise. This suggests heterogeneity of stress at the fault, though the cause remains unclear. Orientations of the principal stresses predominantly indicate a strike-slip regime, but there are possible thrust regimes to the west and north/east of the fault. The SWS fast directions (ø) on the plains show alignment with SHmax at the majority of stations, indicating stress controlled anisotropy. However, structural effects appear more dominant in the neighbouring regions of the Southern Alps and Banks Peninsula.

Videos, UC QuakeStudies

A film directed by Christchurch East Youth MP Beth Walters, produced and filmed by Lila Gibbens. The film captures the views of more than 50 young people from Aranui High School, Linwood College and Mairehau High School. Students share their answers to the following questions: How do you feel about living in the East? What don't you like about living in the East? What do you want to see more of? What do you like? Do you, as a young person in the East, feel your voice is heard? Would you stay? The film features an original song produced by three Aranui High School students: Cheyenne Thompson (lyrics), Evile Jireh Sisifo Laloata (vocals) and Peni Junior Iva (guitar).

Audio, Radio New Zealand

A member of the Iwi Chairs Forum says right now iwi and hapu with interests in water that is used by Mighty River Power should talk directly with the government; A constitutional Advisory Panel member, Professor Ranginui Walker, says many Maori are worried the Treaty of Waitangi could one day be forgotten; A former Christchurch woman says she's still overwhelmed by the aroha and support shown, not only by Maori organisations, but also the general public, since the first earthquake hit Canterbury two years ago today; An Auckland hapu which has recently settled its Treaty of Waitangi claim with the Crown is planning to create new educational opportunities for young Maori; An Auckland hapu which has recently settled its Treaty of Waitangi claim with the Crown is planning to create new educational opportunities for young Maori.

Audio, Radio New Zealand

A selection of the week's news including a former New Zealand cricketer demanding answers over how his name has been linked an investigation into match-fixing, the Act Party leader announces he is quitting as party leader and will leave parliament next year, the biggest drug haul in New Zealand history, the Auditor General apologises to Mangawhai locals for Audit New Zealand's failure to identify a 60 million-plus waste-water debacle, the Labour Party says its victory in the Christchurch East by-election is an indictment of the Government's response to the earthquakes, we hear from the author of a book about the building blocks of our words and literature and the national champion who will proudly represent New Zealand at an international competition in Perth.

Audio, Radio New Zealand

A review of the week's headline news including: 123 jobs at KiwiRail's engineering workshops in Dunedin hang in the balance; SkyCity's Chief Executive is defending gaming options at its Auckland casino; orthopaedic surgeons say they're working hard to determine exactly how many New Zealanders have a hip replacement system that's been recalled; tobacco companies are vowing to fight a government plan to remove branding from cigarette packets; the rebuild of central Christchurch has been taken out of the control of the City Council and will now be managed by a newly formed unit within the Government's Earthquake Recovery Authority (CERA); Trade Me's decision to open up the site to overseas retailers is ruffling a few feathers and; Hamilton singer Kimbra's hit number one in the US.

Images, UC QuakeStudies

A photograph of preschool children and adults posing for a group photograph with the All Righties and Sue Turner of the All Right? campaign, Christchurch City Councillor Glenn Livingstone, and Anna Mowat of SKIP (Strategies with Kids, Information for Parents - a project of the Ministry of Social Development). The photograph was taken at the Tiny Adventures launch at Niu Early Learning Centre in Linwood. Niu Early Learning Centre is managed by the Tongan Canterbury Community Trust. The Tiny Adventure card packs and smartphone app offer ideas, games and quick fun ways for parents to spend time with their children. They are a project of the All Right? mental health campaign.

Audio, Radio New Zealand

An experiment to see if the cast of a play can make friends with their audience in just an hour is the latest project by the country's only theatre company involving people who are - or have been - homeless. As part of the Auckland Fringe Festival, the Hobson Street Theatre Company is working with the Street Choir on That's What Friends Are For.: It's directed by Dr Peter O'Connor from the University of Auckland. He's worked with survivors of natural disasters like the Christchurch earthquakes to help people - especially children - work through the trauma. Lynn Freeman talks with Peter, and with one of the actors, Richard. That's What Friends Are For premieres on Tuesday at the Basement Theatre as part of the Auckland Fringe, before heading to the fringe festivals in Wellington and Dunedin.

Images, UC QuakeStudies

A photograph of an 'All Rightie' posing with a hard hat for the 'BYO CSO' prize draw. The 'BYO CSO' was one of the 'Outrageous Bursts of All Right' projects, in which the Christchurch Symphony Orchestra entertained customers at Wainoni Pak'nSave by setting up and performing a piece of music in the supermarket itself. The performance and customers' reactions were filmed and shared on social media. All Right? encouraged their followers to share the video around by entering everyone who did so into the prize draw for one of eight $250 Pak'nSave vouchers. All Right? posted the photograph on their Facebook page on 8 April 2014 at 6:00am.

Images, UC QuakeStudies

A photograph of a preschool child in a colourful costume placing a flower lei over the head of Anna Mowat from SKIP (Strategies with Kids, Information for Parents - a project of the Ministry of Social Development). Christchurch City Councillor Glenn Livingstone is sitting next to Anna Mowat, wearing a flower lei around his neck. The photograph was taken at the Tiny Adventures launch at Niu Early Learning Centre in Linwood. Niu Early Learning Centre is managed by the Tongan Canterbury Community Trust. The Tiny Adventure card packs and smartphone app offer ideas, games and quick fun ways for parents to spend time with their children. They are a project of the All Right? mental health campaign.

Videos, UC QuakeStudies

A video of Ladi6 and All Right? staff member Ciaran Fox "getting out and about in Christchurch", talking to Anni Watkin and Shaun Asi from Youth and Cultural Development (YCD). Watkin and Asi talk about their work with YCD and youth both before and after the earthquakes. YCD are an independent organisation providing opportunities to young people and support to those who are at risk of getting caught in a cycle of offending. YCD was set up by Ladi's parents in 1992. All Right? uploaded the video to YouTube on 21 April 2015 and posted a link to the video on their Facebook Timeline on 11 May 2015 at 7:00pm.

Images, UC QuakeStudies

A digitally manipulated image of the Gap Filler Monopoly board square on Manchester Street. The photographer comments, "On the site of a demolished earthquake damaged building in Christchurch, New Zealand is a Monopoly game square for giants. The Gap Filler Project makes the bare land where once a building once stood into something both interesting and unique and this time they created a massive Monopoly board square. In the game of Monopoly you move your player with a dog, shoe or maybe the hat, but as the most common thing in the City are diggers they have the placed one on the square. There are also two houses on Manchester Street, which is priced at $240".

Images, UC QuakeStudies

Part of Mike Hewson's installation 'Homage To Lost Spaces' in the Cramner Courts building, a photograph of a young man working at a desk has been inserted into a gap in the building. The photographer comments, "Cranmer Courts in Christchurch, New Zealand was very badly damaged in the earthquakes that have rocked the City for the past two years. Mike Hewson thought he would try to bring life back into the buildings by putting photographs into the spaces where the doors and windows were. There was a month or so when no one seemed to know or admit who had put the pictures up, but it was done officially. It seems that though very badly damaged the buildings may get restored".

Audio, Radio New Zealand

A review of the week's news including... New questions are raised by leaked video footage showing a robot and two workers inside the Pike River mine just months after the 2010 disaster, fresh happy faces in the newly announced Labour list line up, the country's two biggest media companies have been given a strong message from the regions after their proposed merger is knocked back, a full biosecurity operation launched in Kerikeri, Wellington house prices soar, a helicopter pilot describes his crash north of Wellington as 'frightening', women in the Mongrel Mob say there is now less violence towards women, a review of the Kaikoura earthquake reveals it generated a tsunami of nearly 7 metres, the most annoying driving habits on Christchurch roads and one half of a champion rowing crew is surprised by the other half's retirement announcement.

Research papers, The University of Auckland Library

Five years on since the first major earthquake struck the Canterbury region, the reconstruction is well advanced. Christchurch is a city in transition. This report considers trends in resourcing and employment practice of Canterbury construction organisations in response to the projected market changes (2015-2016). The report draws on the interviews with 18 personnel from 16 construction organisations and recovery agencies in October 2015. It provides a summary of perceived changes in the construction market in Canterbury, evidence of what steps construction businesses have been taking, how they have prepared for likely changes in the reconstruction sector, as well as the perceived alignment of public policies with the industry response.

Research papers, University of Canterbury Library

Results from a series of 1D seismic effective stress analyses of natural soil deposits from Christchurch are summarized. The analysed soil columns include sites whose performance during the 2010-2011 Canterbury earthquakes varied significantly, from no liquefaction manifestation at the ground surface to very severe liquefaction, in which case a large area of the site was covered by thick soil ejecta. Key soil profile characteristics and response mechanisms affecting the severity of surface liquefaction manifestation and subsequent damage are explored. The influence of shaking intensity on the triggering and contribution of these mechanisms is also discussed. Careful examination of the results highlights the importance of considering the deposit as a whole, i.e. a system of layers, including interactions between layers in the dynamic response and through pore water pressure redistribution and water flow.

Research papers, University of Canterbury Library

La pericolosità associata ad un dato fenomeno costituisce uno dei fattori più importanti e difficili da quantificare nelle analisi di rischio, a maggior ragione quando si tratta di fenomeni complessi come nel caso della liquefazione sismica. Il presente lavoro illustra sinteticamente uno studio della pericolosità indotta al suolo da liquefazione basato su un caso campione statistico particolarmente significativo, il terremoto (Mw 6.2) che ha colpito Christchurch, Nuova Zelanda, del 2011. La notevole mole di dati disponibili, relativi alle caratteristiche geotecniche del sottosuolo, unitamente al rilievo dei danni ha consentito innanzitutto di caratterizzare la suscettibilità a liquefazione dell’area, indipendentemente dall’evento sismico, quindi di correlare statisticamente le diverse grandezze e di derivare delle curve di vulnerabilità del suolo.

Research papers, University of Canterbury Library

Fire following earthquakes have caused the largest single loss due to earthquakes and in most cases have caused more damage than the quake itself. This problem is regarded very seriously in Japan and in some parts of the United States of America (San Francisco), but is not very seriously considered in other earthquake prone countries, yet the potential for future conflagrations following earthquakes is enormous. Any discussion of post earthquake fire must take into account structural and non-structural damages, initial and spreading fire, wind, water availability, and emergency responses. In this paper we will look at initial fire ignitions, growth and spread and life and property damage. Prevention methods will also be discussed. We will also discuss as examples some case studies: - San Francisco 1989 - Napier 1931 -Christchurch (scenario)

Research papers, University of Canterbury Library

We present the initial findings from a study of adaptive resilience of lifelines organisations providing essential infrastructure services, in Christchurch, New Zealand following the earthquakes of 2010-2011. Qualitative empirical data was collected from 200 individuals in 11 organisations. Analysis using a grounded theory method identified four major factors that aid organisational response, recovery and renewal following major disruptive events. Our data suggest that quality of top and middle-level leadership, quality of external linkages, level of internal collaboration, ability to learn from experience, and staff well-being and engagement influence adaptive resilience. Our data also suggest that adaptive resilience is a process or capacity, not an outcome and that it is contextual. Post-disaster capacity/resources and post-disaster environment influence the nature of adaptive resilience.

Research papers, University of Canterbury Library

Disasters are rare events with major consequences; yet comparatively little is known about managing employee needs in disaster situations. Based on case studies of four organisations following the devastating earthquakes of 2010 - 2011 in Christchurch, New Zealand, this paper presents a framework using redefined notions of employee needs and expectations, and charting the ways in which these influence organisational recovery and performance. Analysis of in-depth interview data from 47 respondents in four organisations highlighted the evolving nature of employee needs and the crucial role of middle management leadership in mitigating the effects of disasters. The findings have counterintuitive implications for human resource functions in a disaster, suggesting that organisational justice forms a central framework for managing organisational responses to support and engage employees for promoting business recovery.

Research papers, University of Canterbury Library

Heathcote Valley school strong motion station (HVSC) consistently recorded ground motions with higher intensities than nearby stations during the 2010-2011 Canterbury earthquakes. For example, as shown in Figure 1, for the 22 February 2011 Christchurch earthquake, peak ground acceleration at HVSC reached 1.4 g (horizontal) and 2 g (vertical), the largest ever recorded in New Zealand. Strong amplification of ground motions is expected at Heathcote Valley due to: 1) the high impedance contrast at the soil-rock interface, and 2) the interference of incident and surface waves within the valley. However, both conventional empirical ground motion prediction equations (GMPE) and the physics-based large scale ground motions simulations (with empirical site response) are ineffective in predicting such amplification due to their respective inherent limitations.

Research papers, University of Canterbury Library

Existing New Zealand (NZ) building stock contains a significant number of structures designed prior to 1995 with non-ductile reinforced concrete (RC) columns. Recent earthquakes and research show that columns with such details perform poorly when subjected to seismic demand, losing gravity load carrying capacity at drift levels lower than the expected one. Therefore, in order to have a better understanding of existing RC columns in NZ, the history of these elements is investigated in this paper. The evolution of RC column design guidelines in NZ standards since the 1970s is scrutinized. For this purpose, a number of RC columns from Christchurch buildings built prior to 1995 are assessed using the current code of practice.

Research papers, University of Canterbury Library

Cultural heritage is a dynamic concept, incorporating the ideas and values of many different organisations and individuals; it is heavily dependent on the context of the item or site being conserved, and transforms something from an old article into a historically significant object. A formal definition of cultural heritage did not appear in the Antarctic Treaty System until 1995, however Antarctic heritage value has been applied to various sites and monuments since the inception of the Treaty, from Shackleton’s Nimrod Hut to a heavy tractor. This report examines a number of case studies to determine the various ways in which heritage items and sites can be managed – such as the removal of the South Pole Dome – as well as their conservation after natural disasters, for instance the Christchurch earthquakes.

Research papers, University of Canterbury Library

This poster aims to present fragility functions for pipelines buried in liquefaction-prone soils. Existing fragility models used to quantify losses can be based on old data or use complex metrics. Addressing these issues, the proposed functions are based on the Christchurch network and soil and utilizes the Canterbury earthquake sequence (CES) data, partially represented in Figure 1. Figure 1 (a) presents the pipe failure dataset, which describes the date, location and pipe on which failures occurred. Figure 1 (b) shows the simulated ground motion intensity median of the 22nd February 2011 earthquake. To develop the model, the network and soil characteristics have also been utilized

Research papers, University of Canterbury Library

Media law developments have continued across many areas in the period to mid-2013. In defamation, the New Zealand courts have begun to consider the issue of third party liability for publication on the internet, with cases involving Google searches and comments on a Facebook page. A parliamentary inquiry into a case that restricted parliamentary privilege has recommended a Parliamentary Privilege Act containing a definition of ‘proceedings in Parliament’. A satirical website increased its popularity when it fought off threatened defamation proceedings. In breach of confidence, a government body, the Earthquake Commission, obtained an interim injunction prohibiting publication of information accidentally released that dealt with the repair of earthquake-damaged properties in Christchurch, and a blogger made the information available online in breach of the order.

Research papers, The University of Auckland Library

The Darfield earthquake caused widespread damage in the Canterbury region of New Zealand, with the majority of damage resulting from liquefaction and lateral spreading. One of the worst hit locations was the small town of Kaiapoi north of Christchurch, an area that has experienced liquefaction during past events and has been identified as highly susceptible to liquefaction. The low lying town sits on the banks of the Kaiapoi River, once a branch of the Waimakariri, a large braided river transporting gravelly sediment. The Waimakariri has been extensively modified both by natural and human processes, consequently many areas in and around the town were once former river channels.