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Research papers, Victoria University of Wellington

We measure the longer-term effect of a major earthquake on the local economy, using night-time light intensity measured from space, and investigate whether insurance claim payments for damaged residential property affected the local recovery process. We focus on the destructive Christchurch earthquake of 2011 as our case study. In this event more than 95% of residential housing units were covered by insurance, but insurance payments were staggered over 5 years, enabling us to identify their local impact. We find that night-time luminosity can capture the process of recovery and describe the recovery’s determinants. We also find that insurance payments contributed significantly to the process of economic recovery after the earthquake, but delayed payments were less affective and cash settlement of claims were more affective in contributing to local recovery than insurance-managed rebuilding.

Audio, Radio New Zealand

Christchurch central seems to have a business micro-climate. And right now it's chilly. The CBD is nothing like it used to be before the 2011 earthquake and those businesses that re-opened say they really had no choice because of the demands of insurance companies.

Audio, Radio New Zealand

Hundreds of Christchurch homeowners have discovered extensive damage to the on-sold properties they purchased after the 2010/2011 earthquakes. Licenced Building Practictioner Dan Paltridge talks to Logan Church about what people need to look out for, and what they need to do before buying a home in the city.

Audio, Radio New Zealand

The only Christchurch street still closed following the 2011 earthquake will reopen later in 2018 only to close again in 2019 so the council can extend the route for the tram. The proposal has raised the ire of fledgling businesses along High st worried about the disruption the road works will cause them and wanting the work done now, before they open their doors to the public.

Research papers, University of Canterbury Library

Background: We are in a period of history where natural disasters are increasing in both frequency and severity. They are having widespread impacts on communities, especially on vulnerable communities, those most affected who have the least ability to prepare or respond to a disaster. The ability to assemble and effectively manage Interagency Emergency Response Teams (IERTs) is critical to navigating the complexity and chaos found immediately following disasters. These teams play a crucial role in the multi-sectoral, multi-agency, multi-disciplinary, and inter-organisational response and are vital to ensuring the safety and well-being of vulnerable populations such as the young, aged, and socially and medically disadvantaged in disasters. Communication is key to the smooth operation of these teams. Most studies of the communication in IERTs during a disaster have been focussed at a macro-level of examining larger scale patterns and trends within organisations. Rarely found are micro-level analyses of interpersonal communication at the critical interfaces between collaborating agencies. This study set out to understand the experiences of those working at the interagency interfaces in an IERT set up by the Canterbury District Health Board to respond to the needs of the vulnerable people in the aftermath of the destructive earthquakes that hit Canterbury, New Zealand, in 2010-11. The aim of the study was to gain insights about the complexities of interpersonal communication (micro-level) involved in interagency response coordination and to generate an improved understanding into what stabilises the interagency communication interfaces between those agencies responding to a major disaster. Methods: A qualitative case study research design was employed to investigate how interagency communication interfaces were stabilised at the micro-level (“the case”) in the aftermath of the destructive earthquakes that hit Canterbury in 2010-11 (“the context”). Participant recruitment was undertaken by mapping which agencies were involved within the IERT and approaching representatives from each of these agencies. Data was collected via individual interviews using a semi-structured interview guide and was based on the “Critical Incident Technique”. Subsequently, data was transcribed verbatim and subjected to inductive analysis. This was underpinned theoretically by Weick’s “Interpretive Approach” and supported by Nvivo qualitative data analysis software. Results: 19 participants were interviewed in this study. Out of the inductive analysis emerged two primary themes, each with several sub-factors. The first major theme was destabilising/disruptive factors of interagency communication with five sub-factors, a) conflicting role mandates, b) rigid command structures, c) disruption of established communication structures, d) lack of shared language and understanding, and e) situational awareness disruption. The second major theme stabilising/steadying factors in interagency communication had four sub-factors, a) the establishment of the IERT, b) emergent novel communication strategies, c) establishment of a liaison role and d) pre-existing networks and relationships. Finally, there was a third sub-level identified during inductive analysis, where sub-factors from both primary themes were noted to be uniquely interconnected by emergent “consequences” arising out of the disaster context. Finally, findings were synthesised into a conceptual “Model of Interagency Communication at the Micro-level” based on this case study of the Canterbury earthquake disaster response. Discussion: The three key dimensions of The People, The Connections and The Improvisations served as a framework for the discussion of what stabilises interagency communication interfaces in a major disaster. The People were key to stabilising the interagency interfaces through functioning as a flexible conduit, guiding and navigating communication at the interagency interfaces and improving situational awareness. The Connections provided the collective competence, shared decision-making and prior established relationships that stabilised the micro-level communication at interagency interfaces. And finally, The Improvisations i.e., novel ideas and inventiveness that emerge out of rapidly changing post-disaster environments, also contributed to stabilisation of micro-level communication flows across interagency interfaces in the disaster response. “Command and control” hierarchical structures do provide clear processes and structures for teams working in disasters to follow. However, improvisations and novel solutions are also needed and often emerge from first responders (who are best placed to assess the evolving needs in a disaster where there is a high degree of uncertainty). Conclusion: This study highlights the value of incorporating an interface perspective into any study that seeks to understand the processes of IERTs during disaster responses. It also strengthens the requirement for disaster management frameworks to formally plan for and to allow for the adaptive responsiveness of local teams on the ground, and legitimise and recognise the improvisations of those in the role of emergent boundary spanners in a disaster response. This needs to be in addition to existing formal disaster response mechanisms. This study provides a new conceptual model that can be used to guide future case studies exploring stability at the interfaces of other IERTs and highlights the centrality of communication in the experiences of members of teams in the aftermath of a disaster. Utilising these new perspectives on stabilising communication at the interagency interfaces in disaster responses will have practical implications in the future to better serve the needs of vulnerable people who are at greatest risk of adverse outcomes in a disaster.

Audio, Radio New Zealand

In the hours after the February 2011 Canterbury earthquake, Chessie Henry's father Chris Henry, a Kaikoura-based doctor, crawled into makeshift tunnels in the collapsed CTV building to rescue the living and look for the dead. Six years later, Chessie interviewed Chris in an attempt to understand the trauma that lead her father to burnout. In her book just published, We Can Make A Life: A memoir of family, earthquakes and courage, Chessie Henry considers the psychological cost of heroism and unravels stories and memories from her family history.

Research papers, University of Canterbury Library

Disasters that significantly affect people typically result in the production of documents detailing disaster lessons. This was the case in the 2010 and 2011 Canterbury earthquakes, as government and emergency response agencies, community organisations, and the media, engaged in the practice of producing and reporting disaster lessons. This thesis examines the disaster lessons that were developed by emergent groups following the Canterbury earthquakes (4 September 2010 and 22 February 2011). It adopts a Foucauldian analysis approach to investigate both the construction of disaster lessons and to document how this practice has come to dominate postdisaster activity following the Canterbury earthquakes. The study involved an analysis of academic literature, public documents and websites and interviews with key members of a range of Canterbury based emergent community groups. This material was used to generate a genealogy of disaster lessons, which was given in order to generate an account of how disaster lessons emerged and have come to dominate as a practice of disaster management. The thesis then examines the genealogy through the concept of governmentality so as to demonstrate how this discourse of disaster lessons has come to be used as a governing rationale that shapes and guides the emergent groups conduct in postdisaster New Zealand.

Audio, Radio New Zealand

The Prime Minister Jacinda Ardern took a detour on the way to meeting with Joko Widodo to accept a petition against oil exploration. A law which prevents charges being laid over the collapse of Christchurch's CTV buildin gin the 2011 earthquake could be repealled soon. The president of the Crime Prevention Group Sunny Kaushal updates what if anything has improved for shop owners in the face of violent robberies. Eight million tonnes of plastic goes into the world's oceans each year. Is New Zealand phasing out supermarket bags worth the effort?

Audio, Radio New Zealand

When the 2011 Canterbury earthquakes struck, the region was hit with disaster on an unprecedented scale and the health system was challenged like never before. The injured needed immediate treatment, buildings and equipment were badly damaged, and yet those working in health system rallied to keep it going. Emergency Medicine specialist Dr Mike Ardagh and independent science writer Dr Joanne Deely have written a book, Rising from the Rubble, which tells the stories of those who were part of the health system response, and a record of the long-term issues that have been caused by it.

Audio, Radio New Zealand

On 31 May, Dr Ann Brower will deliver a lecture at the University of Canterbury, titled: A Little Guy's Guide to Making a Difference after receiving the Critic and Conscience of Society Award earlier this month. Dr Brower is probably best known for her advocacy for more stringent regulation of earthquake-prone buildings, a campaign informed by her experience of being on a bus crushed by falling masonry in Christchurch's 2011 earthquake. Twelve passengers died on or beside the bus. She's also been prominent in highlighting high country land being transferred from Crown to private ownership.

Research papers, University of Canterbury Library

Land cover change information in urban areas supports decision makers in dealing with public policy planning and resource management. Remote sensing has been demonstrated as an efficient and accurate way to monitor land cover change over large extents. The Canterbury Earthquake Sequence (CES) caused massive damage in Christchurch, New Zealand and resulted in significant land cover change over a short time period. This study combined two types of remote sensing data, aerial imagery (RGB) and LiDAR, as the basis for quantifying land cover change in Christchurch between 2011 – 2015, a period corresponding to the five years immediately following the 22 February 2011 earthquake, which was part of the CES. An object based image analysis (OBIA) approach was adopted to classify the aerial imagery and LiDAR data into seven land cover types (bare land, building, grass, shadow, tree and water). The OBIA approach consisted of two steps, image segmentation and object classification. For the first step, this study used multi-level segmentation to better segment objects. For the second step, the random forest (RF) classifier was used to assign a land cover type to each object defined by the segmentation. Overall classification accuracies for 2011 and 2015 were 94.0% and 94.32%, respectively. Based on the classification result, land cover changes between 2011 and 2015 were then analysed. Significant increases were found in road and tree cover, while the land cover types that decreased were bare land, grass, roof, water. To better understand the reasons for those changes, land cover transitions were calculated. Canopy growth, seasonal differences and forest plantation establishment were the main reasons for tree cover increase. Redevelopment after the earthquake was the main reason for road area growth. By comparing the spatial distribution of these transitions, this study also identified Halswell and Wigram as the fastest developing suburbs in Christchurch. These results provided quantitative information for the effects of CES, with respect to land cover change. They allow for a better understanding for the current land cover status of Christchurch. Among those land cover changes, the significant increase in tree cover aroused particularly interest as urban forests benefit citizens via ecosystem services, including health, social, economic, and environmental benefits. Therefore, this study firstly calculated the percentages of tree cover in Christchurch’s fifteen wards in order to provide a general idea of tree cover change in the city extent. Following this, an automatic individual tree detection and crown delineation (ITCD) was undertaken to determine the feasibility of automated tree counting. The accuracies of the proposed approach ranged between 56.47% and 92.11% in thirty different sample plots, with an overall accuracy of 75.60%. Such varied accuracies were later found to be caused by the fixed tree detection window size and misclassifications from the land cover classification that affected the boundary of the CHM. Due to the large variability in accuracy, tree counting was not undertaken city-wide for both time periods. However, directions for further study for ITCD in Christchurch could be exploring ITCD approaches with variable window size or optimizing the classification approach to focus more on producing highly accurate CHMs.

Research papers, University of Canterbury Library

Following the recent earthquakes in Chile (2010) and New Zealand (2010/2011), peculiar failure modes were observed in Reinforced Concrete (RC) walls. These observations have raised a global concern on the contribution of bi-directional loading to these failure mechanisms. One of the failure modes that could potentially result from bidirectional excitations is out-of-plane shear failure. In this paper an overview of the recent experimental and numerical findings regarding out-of-plane shear failure in RC walls are presented. The numerical study presents the Finite Element (FE) simulation of wall D5-6 from the Grand Chancellor Hotel that failed in shear in the out-of-plane direction in the February 2011 Christchurch earthquake. The main objective of the numerical study was to investigate the reasons for this failure mode. The experimental campaign includes the recent experiments conducted in the Structural Engineering Laboratory of the University of Canterbury. The experimental study included three rectangular slender RC walls designed based on NZS3101: 2006-A3 (2017) for three different ductility levels, namely: nominally ductile, limited ductile and ductile. The numerical results showed that high axial load combined with bi-directional loading caused the out-of-plane shear failure in wall D5-6 from the Grand Chancellor Hotel. This was also confirmed and further investigated in the experimental phase of the study.

Audio, Radio New Zealand

In 1978 world-class motorcycle designer John Britten bought a derelict stable block in Christchurch and painstakingly converted it into a home where he raised his family and built his revolutionary V1000 motorbike. The family continued to live there after his death in 1995, but were forced to abandon it when it sustained serious damage during the 2011 Canterbury earthquakes. After sitting broken and empty for six years, Isabelle Weston, John's eldest daughter, and her husband Tim undertook to restore and revamp the house with a view to running it as a B&B. The story of their epic project features in the first episode of Grand Designs New Zealand series four, which premieres on TV3, on October 3..

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.

Audio, Radio New Zealand

A Christchurch homeowner in a five year battle with the Earthquake Commission over the damaged house she unwittingly bought says a critical new report about EQC tells her nothing new. The 27 page review by Independent Ministerial Advisor Christine Stevenson looks at how to resolve the 3,600 claims that still haven't been settled after the 2010 and 2011 quakes. The recommendations include getting the Commission to hire more staff and to stop forcing people to use the Official Information Act to get their files. It also suggests giving EQC more power to settle the on-sold claims where people bought houses under the impression all damage had been identified and fixed. Georgina Hannafin has a home that needs $260,000 worth of repairs but EQC has offered her just $48,000.

Research papers, University of Canterbury Library

This paper explores the scope of small-scale radio to create an auditory geography of place. It focuses on the short term art radio project The Stadium Broadcast, which was staged in November 2014 in an earthquake-damaged sports stadium in Christchurch, New Zealand. Thousands of buildings and homes in Christchurch have been demolished since the Februrary 22, 2011 earthquake, and while Lancaster Park sports stadium is still standing, it has been unused since that date and its future remains uncertain. The Stadium Broadcast constructed a radio memorial to the Park’s 130 year history through archival recordings, the memories of local people, observation of its current state, and a performed site-specificity. The Stadium Broadcast reflected on the spatiality of radio sounds and transmissions, memory, post-disaster transitionality, and the im-permanence of place.

Audio, Radio New Zealand

Fleur Beale is one of New Zealand's most prolific authors and the winner of many awards for children and young adult books. Her latest work is a novel that tells the story of a young girl who experienced the February 2011 Christchurch earthquake. It's part of an international series called Through my Eyes - Natural Disaster Zones, which is a series written by different authors focusing on war zones and disasters throughout the world. Fleur's book is based on real accounts of what happened in Christchurch told through the eyes of a young girl, Lyla. Fleur, who has won the Margaret Mahy Medal for her outstanding contribution to children's writing, and was awarded the New Zealand Order of Merit for services to literature, joins Kathryn to talk about her latest work, and why young adult fiction is the best and the process of getting a story right.

Research papers, University of Canterbury Library

Very little research exists on total house seismic performance. This testing programme provides stiffness and response data for five houses of varying ages including contributions of non-structural elements. These light timber framed houses in Christchurch, New Zealand had minor earthquake damage from the 2011 earthquakes and were lateral load tested on site to determine their strength and stiffness, and preliminary damage thresholds. Dynamic characteristics were also investigated. Various loading schemes were utilised including quasi-static loading above the foundation, unidirectional loading through the floor diaphragm, cyclic quasi-static loading and snapback tests. Dynamic analysis on two houses provided the seismic safety levels of post-quake houses with respect to local hazard levels. Compared with New Zealand Building Standards all the tested houses had an excess of strength, damage is a significant consideration in earthquake resilience and was observed in all of the houses. A full size house laboratory test is proposed.

Research papers, Victoria University of Wellington

This paper begins with a discussion of the history of negligent manslaughter in New Zealand and its development from the standard of ordinary negligence to the current test of a “major departure” from the expected standard of care, as set out under s 150A of the Crimes Act 1961. The paper then examines failings in s 150A’s current application, arguing that the “major departure” test has created injustices due to its strictly objective nature. Two examples of this are discussed in-depth, Bawa-Garba v R (UK) where a doctor was convicted of grossly negligent manslaughter for the death of her patient; and the decision not to prosecute the negligent engineers of the CTV building which collapsed in the Christchurch earthquake of 2011. The paper discusses three potential resolutions moving forward. It concludes that a more subjective interpretation of the wording of s 150A, which takes account of circumstances excusing or condemning a defendant’s conduct, would prevent future injustices and be a reasonably open interpretation on the wording of s 150A.

Audio, Radio New Zealand

So what's the Prime Minister Jacinda Ardern got to look forward to when she's back at work? Construction firms falling over, business confidence at a nine-year low, unemployment rising and New Zealand is desperate need of infrastructure to cope with its 10 percent population shock in the last five years. Welcome back Ms Ardern! Ebert Construction is the latest construction company to go belly-up. The Panelists consider why, when the country needs new buildings the most, construction companies aren't making the grade? Peter Silcock of Civil Contractors talks bout the failing of processes and business models used by building firms. Christchurch central seems to have a business micro-climate. And right now it's chilly. The CBD is nothing like it used to be before the 2011 earthquake and those businesses that re-opened say they really had no choice because of the demands of insurance companies. The Kingsland Business Society in Auckland is offering free child minding for couples who go out for the evening in the suburb. United States federal air marshals now follow seemingly ordinary citizens not suspected of a crime, nor on any terrorist watch list. It's a new surveillance programme called "Quiet Skies" and it collects extensive information on travellers based on their behaviour on flights and especailly in airports.

Audio, Radio New Zealand

The loss of her home in an earthquake then the loss of her daughter - for New Zealander Linda Collins, one loss shook her physical foundations; the other shook her very being. Told by Denise O'Connell [image:147046:full] [audio_play] [image:151581:half] Linda Collins has a BA in English from Massey University and is a copyeditor on the political desk of The Straits Times in Singapore, where her much-loved daughter, Victoria, took her life four years ago aged 17.  Linda, husband Malcolm McLeod and Victoria were living in Singapore when the 2011 earthquake struck Christchurch, wrecking the house they owned there. Amid insurer and builder delays, the replacement house was only finally completed three years after Victoria’s death.  Linda’s memoir, Loss Adjustment, is her first foray into writing a book, although she is copyeditor of the Lee Kuan Yew international best-seller, Hard Truths to Keep Singapore Going, and used to write for The Expat Files column in Singapore’s Sunday Times.  Earlier this year, she was shortlisted for publisher Hachette’s mentorship programme, based on the submission of her Not Ash chapter from Loss Adjustment. Poetry is a new passion, meanwhile, and she is studying it at La Salle College of the Arts, Singapore. The photo is from her work pass.

Research papers, University of Canterbury Library

Over 900 buildings in the Christchurch central business district and 10,000 residential homes were demolished following the 22nd of February 2011 Canterbury earthquake, significantly disrupting the rebuild progress. This study looks to quantify the time required for demolitions during this event which will be useful for future earthquake recovery planning. This was done using the Canterbury Earthquake Recovery Authority (CERA) demolition database, which allowed an in-depth look into the duration of each phase of the demolition process. The effect of building location, building height, and the stakeholder which initiated the demolition process (i.e. building owner or CERA) was investigated. The demolition process comprises of five phases; (i) decision making, (ii) procurement and planning, (iii) demolition, (iv) site clean-up, and (v) completion certification. It was found that the time required to decide to demolish the building made up majority of the total demolition duration. Demolition projects initiated by CERA had longer procurement and planning durations, but was quicker in other phases. Demolished buildings in the suburbs had a longer decision making duration, but had little effect on other phases of the demolition process. The decision making and procurement and planning phases of the demolition process were shorter for taller buildings, though the other phases took longer. Fragility functions for the duration of each phase in the demolition process are provided for the various categories of buildings for use in future studies.

Research papers, University of Canterbury Library

For 150,000 Christchurch school students, the 12.51 pm earthquake of 22 February 2011 shattered their normal lunch time activities and thrust their teachers into the role of emergency first responders. Whether helping students (children) escape immediate danger, or identifying and managing the best strategies for keeping children safe, including provision of extended caregiving when parents were unable to return to school to retrieve their children, teachers had to manage their own fears and trauma reactions in order to appear calm and prevent further distress for the children in their care. Only then did teachers return to their families. Eighteen months later, twenty teachers from across Christchurch, were interviewed. At 12.51pm, the teachers were essentially first responders. Using their usual methods for presenting a calm and professional image, the teachers’ emotion regulation (ER) strategies for managing their immediate fears were similar to those of professional first responders, with similar potential for subsequent burnout and negative emotional effects. Teachers’ higher emotional exhaustion and burnout 18 months later, were associated with school relocation. Lower burnout was associated with more emotional awareness, ER and perceived support. Consistent with international research, teachers’ use of cognitive reappraisal (re-thinking a situation) was an effective ER strategy, but this may not prevent teachers’ emotional resources from eventually becoming depleted. Teachers fulfill an important role in supporting children’s psychosocial adjustment following a natural disaster. However, as also acknowledged in international research, we need to also focus on supporting the teachers themselves.