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Images, UC QuakeStudies

A wooden house in Wainoni has visibly bowed inwards towards its centre. The photographer comments, "During the numerous earthquakes in Christchurch the land which ran alongside the Avon river on Avonside Drive slumped towards the waterway. In a line parallel to the road the road, but around 20m away a ground movement occurred which caused some houses to rise up or sink down".

Images, UC QuakeStudies

A photograph of the earthquake damage to the Cathedral of the Blessed Sacrament on Barbadoes Street. The tower on the right has crumbled and the masonry has fallen to the pavement below. A car has been crushed by the fallen rubble. The dome of the left tower has collapsed and the cross at the top of the building is on a lean.

Images, UC QuakeStudies

A photograph of the earthquake-damaged buildings and rubble on Colombo Street near the intersection of St Asaph Street. The walls of the top storey of the buildings to the left have crumbled, and bricks and other rubble have fallen onto the footpath and road below. Wire fencing and police tape have been placed across the street as a cordon.

Images, UC QuakeStudies

The On-Site Operations Coordination Centre (OSOCC) in Latimer Square. After the 22 February 2011 earthquake, emergency service agencies set up their headquarters in Latimer Square. The OSOCC is set up by the United Nations Emergency Relief Coordinator. It helps to coordinate the local emergency response as well as advocate for humanitarian issue in political bodies such as the United National Security Council.

Research papers, The University of Auckland Library

This report provides an understanding of the nature of Canterbury subcontracting businesses operating in the space of earthquake reconstruction in Christchurch. It offers an in-depth look at the factors that influence the development of their capacity and capability to withstand the impact of volatile economic cycles, including the 2008 global financial crisis and the subsequent 2010/11 Canterbury earthquakes. There have been significant changes to the business models of the 13 subcontracting businesses studied since the earthquakes. These changes can be seen in the ways the case study subcontractors have adapted to cope with the changing demands that the rebuild posed. Apart from the magnitude of reconstruction works and new developments that directly affect the capacity of subcontracting businesses in Canterbury, case studies found that subcontractors’ capacity and capability to meet the demand varies and is influenced by the: subcontractors’ own unique characteristics, which are often shaped by changing circumstances in a dynamic and uncertain recovery process; and internal factors in relation to the company’s goal and employees’ needs

Research papers, The University of Auckland Library

The paper proposes a simple method for quick post-earthquake assessment of damage and condition of a stock of bridges in a transportation network using seismic data recorded by a strong motion array. The first part of the paper is concerned with using existing free field strong motion recorders to predict peak ground acceleration (PGA) at an arbitrary bridge site. Two methods are developed using artificial neural networks (a single network and a committee of neural networks) considering influential parameters, such as seismic magnitude, hypocentral depth and epicentral distance. The efficiency of the proposed method is explored using actual strong motion records from the devastating 2010 Darfield and 2011 Christchurch earthquakes in New Zealand. In the second part, two simple ideas are outlined how to infer the likely damage to a bridge using either the predicted PGA and seismic design spectrum, or a broader set of seismic metrics, structural parameters and damage indices.

Research papers, Lincoln University

This report presents the experiences of Tangata Whaiora (Mental health clients) through the disastrous earthquakes that struck Otautahi/Christchurch in 2010-11. It further analysis these experience to how show the social networks these individuals, their whānau, supporting staff respond and recover to a significant urban disaster. The disaster challenged the mental health of those individuals who are impacted and the operations of organisations and networks that support and care for the mentally ill. How individuals and their families navigate a post-disaster landscape provides an unfortunate but unique opportunity to analyse how these support networks respond to severe disruption. Tangata Whaiora possess experiences of micro-scale personal and family disasters and were not necessarily shocked by the loss of normality in Ōtautahi as a result of the earthquakes. The organic provision of clear leadership, outstanding commitment by staff, and ongoing personal and institutional dedication in the very trying circumstances of working in a post-disaster landscape all contributed to Te Awa o te Ora’s notable response to the disaster.

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.

Audio, Radio New Zealand

A Christchurch couple in a long running dispute over the insurance payout for their earthquake damaged home have reached an out-of-court settlement with Southern Response. The class action was brought on behalf of former AMI Insurance/Southern Response policyholders who believe the company misled them into settling their claims for less than their policies entitled them to. The lawyer for Brendan and Colleen Ross, Grant Cameron, talks to Max Towle about the settlement.  

Images, UC QuakeStudies

Labour Party leader Phil Goff speaking to members of the Student Volunteer Army in the UCSA car park outside the UCSA's "Big Top" tent. The tent was erected to provide support for students at the University of Canterbury in the aftermath of the 22 February 2011 earthquake. Behind them members of the Student Volunteer Army are assembling wheelbarrows which will be used to clear liquefaction from Christchurch properties.

Images, UC QuakeStudies

Shoppers and tourists in the Re:Start mall. The photographer comments, "The new temporary city mall has been open in Christchurch now for a week. Buildings damaged in the earthquake have been demolished and replaced with cargo containers to create a new, temporary, Cashel Mall. I visited the mall yesterday and was quite impressed with what they have done. The cargo containers have been nicely converted, brightly painted and smartly branded to create some good looking stores".

Audio, Radio New Zealand

Topics - Hundreds of people have lost their lives in Egypt overnight, and it's expected the death toll will continue to rise. This comes after the military over threw the democratically elected leader last month, and has now forcibly closed down protester camps. Power company Orion - owned by Christchurch City Council and Selwyn District Council - is looking to hike its prices until 2019, to help recover revenue lost because of the Canterbury earthquakes.

Audio, Radio New Zealand

The Christchurch City Council has confirmed the demolition of the earthquake-damaged Lancaster Park sports stadium will begin this year. Lancaster Park Cricket club was one of the sports ground's first tenants when it was established in 1881. An act of parliament means the ground has to be used for sport and recreation. "We're certainly looking foward to being able to get back on the ground and for it to be turned back into green space," Ric Horsfall from the cricket club says.

Audio, Radio New Zealand

Topics - appalling stories of Christchurch families living in garages and tents - even a couple renting a wash-house - are continuing to surface almost two years on from the February 2011 earthquake. Youth crime is described as "steadily falling" in New Zealand, with rates of police apprehensions and prosecutions of young people at record lows. Auckland Grammar has employed the services of a private investigator to check on parents trying to cheat on school zone boundaries.

Audio, Radio New Zealand

In quake-ravaged Christchurch businesses are tentatively restarting, and infrastructure is being restored, but there's ongoing uncertainty about job losses and how people will survive financially. Within six days of the February earthquake; the Government had introduced a subsidy scheme for businesses and their employees, as well as people who'd found themselves out of a job. Now there's growing disquiet about what will happen to thousands of Cantabrians when that support scheme finishes at the end of May.

Audio, Radio New Zealand

Thousands of Christchurch refugees have poured into Timaru since the earthquake on February 22, boosting its population by nearly 20 per cent. Social services are giving out hundreds of food parcels, blankets, toiletries and clothes every day as well as finding accommodation for people who have turned up in town with nothing. Major Dean Herring of the Salvation Army in Timaru has been helping evacuees find places to live as well as dealing with the huge piles of donated goods.

Audio, Radio New Zealand

The Week In Review for week ending 12 August 2011... featuring a new rebuild plan for Christchurch's earthquake ravaged CBD, problems at the Waikato-Tainui Tribal Parliament, a pricing fiasco surrounding the Adidas All Blacks Rugby World Cup jersey, the Mana party confirms it will contest all seven Maori seats and some general seats in November's general election, the renaming of Mt Cook's South Ridge to The Hillary Ridge and the White Mouse passes away.

Audio, Radio New Zealand

Sam Harvey says that holding on to grace is one of the things that keeps him striving towards his calling to help others. He's a young pastor of the Beach Campus of Grace Vineyard Church in Christchurch, and moved to the city on the eve of the first earthquake. Sonia Sly finds out what it takes to adhere to the faith during difficult times, and candidly asks about God's voice, New Zealand's attitude to Christianity, and the process of healing through exorcism.

Audio, Radio New Zealand

Our Christchurch correspondent, Katy Gosset takes us on a musical journey with the help of one of the city's longest serving pianists. For 23 years Peter Lewis played the piano in the Crowne Plaza Hotel before being made redundant by the February 2011 earthquake. Peter has since struggled to find a way to share his music with others. Today Katy seeks out some city pianos and takes him on a mystery tour to rediscover the pleasure of playing.

Audio, Radio New Zealand

Ang Jury of Womens' Refuge talks about the announced changes to family violence law and if the government's got it right. Labour's Andrew Little "rejected" yesterday's One News Colmar Brunton Poll so the party released its own results today. Bruce Springsteen has announced dates for a New Zealand tour including a concert in Christchurch for the anniversary of the February 2011 earthquake. Your feedback about the long hours hospital doctors work.

Audio, Radio New Zealand

Today RNZ's Midday supervising producer, Denise Garland, looks at two brand new podcasts. Collapse is a podcast from Stuff, all about the Christchurch earthquakes in the lead up the to 10th anniversary of the devastating quake on February 22nd. She also looks at NZ Wars - Stories of Tainui from RNZ which over the three episodes covers the war of Waikato in the 1860s, the great war for New Zealand, a defining conflict of New Zealand.

Audio, Radio New Zealand

Red Cross aid worker Rosemarie North is in the Banten province of Java where authorities have lifted the alert level for the Anak Krakatau volcano to its second-highest level. She has worked on and off for the Red Cross since 2003 in all kinds of situations, including post-conflict in Sierra Leone, landslides in the Philippines and Papua New Guinea, refugee camps in Chad, earthquakes in Nepal and Christchurch, and tsunamis in Southeast Asia and Samoa. [image_crop:72149:full]

Audio, Radio New Zealand

It's been a long road to recovery for one of Christchurch's biggest post-quake projects. Eight years after the route connecting Sumner to Lyttleton was blocked off by the earthquakes, the road through Evans Pass will reopen on Friday. Sumner residents will now have a second route into the suburb, as well as a renewed connection to Lyttleton. Sara Templeton is the councillor for Heathcote Ward, which covers Sumner, and speaks to Guyon Espiner.

Audio, Radio New Zealand

Australia's controversial offshore detention regime hits a massive stumbling block; Fiji's parliament votes against reinstating the Great Council of Chiefs; Stalemate over probe into high profile PNG fraud case; Pacific thinking about collective action over long line fishing; Lessons from the Christchurch earthquakes used to heal in Fiji; CNMI school group to challenge court gun ruling; Secret to Pacific growth in its growing working age population; Fiji disappointed after Radradra picked for Australia.

Images, UC QuakeStudies

A digitally manipulated photograph of a letterbox lying on the ground in front of a red-stickered house. The photographer comments, "An abandoned red stickered house just outside the four avenues that surround Christchurch CBD. The letterbox came down when the wall it was attached to collapsed. The occupants would have had strict instructions to stay out as the property is too dangerous to enter in case there is another earthquake or big aftershock".

Images, UC QuakeStudies

Workers operate a drilling rig inside a Terra Probe truck, which has been raised on jacks to make it stable. The photographer comments, "Another completely different company testing what is below the surface to determine what type of foundations new houses will need. This is in one the blue/green area of earthquake shaken Christchurch. Strangely this is 3 metres away from where the other testing was done".

Images, UC QuakeStudies

A digitally manipulated image of a high-reach excavator demolishing a building. The photographer comments, "After the earthquakes in Christchurch, New Zealand the demolition of most of the City Centre began. After two years the government thought that the progress was far too slow, so began the start of the automatic demolition. Luckily when the solar powered demolition machines started to cause indiscriminate death and destruction they were isolated to the South Island and unable to cross the seas".

Images, UC QuakeStudies

A digitally manipulated image of the sun shining through a stand of pine trees in New Brighton. Some of the trees are on a lean. The photographer comments, "Due to the Christchurch earthquakes and the land subsiding in this area the trees in this area will nearly all be cut down. So these may be the last tall trees to bathe in the sunshine for decades to come".

Images, UC QuakeStudies

A digitally manipulated image of light sculptures on Gloucester Street during the LuxCity event. The photographer comments, "This was part of the LuxCity event in Christchurch, New Zealand. It was a way of creating a city of lights on the sites of demolished buildings in the earthquake devastated red zone. 350 architecture and design students from all around New Zealand created and constructed 16 pop up spaces".

Images, UC QuakeStudies

A information board on the fence around the Homestead at Mona Vale. It says 'This hertiage building is managed by the Christchurch City Council on behalf of the city's residents. Until recently it served as a restaurant and function centre. This building was damaged in the 2010/2011 Canterbury earthquakes and ongoing aftershocks. Propping walls and other support is designed to keep the building weather-proof until a decision about its future can be made'.