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Images for Earthquake Christchurch; more images...

Images, UC QuakeStudies

Workers inspect a broken sewerage line in New Brighton. The photographer comments, "After the Christchurch earthquake on 23 December 2011 the sewer pipe got badly damaged at New Brighton and was leaking into the Avon River. I think the guy was worried about the fast flow causing him to fill his boots rather than the depth".

Images, UC QuakeStudies

Close up of an oven element which has blown and partly melted. The photographer comments, "After the Christchurch earthquake on the 22 February we had no power for about 4 days. We finally got electricity again from the electricity companies' mobile generator the size of a big van. We turned on the oven and there was a loud vibrating hum and this was the result".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "The Midland Masonic Choir proceeds of their annual Charity Concert as well as a donation from the Midland Masonic Charitable Trust has combined a total donation of $2,800 towards the Red Cross Christchurch Earthquake Appeal, pictured handing the cheque over (L-R) Ioin Dryden (Chairman of the Charitable Trust) and Berry Mitchell (Choir Administrator) and Mayor Janie Annear".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Images, UC QuakeStudies

A digitally manipulated image of an excavator. The photographer comments, "This is a huge excavator in the Christchurch CBD. It is being used to clear away the enormous amount of rubble from the buildings being demolished. It seems that nearly all the big machinery from all other the world has been needed in the clean up of the earthquake damaged buildings and utilities".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch begins the slow recovery process after last weeks devastating 7.1 earthquake. Laura and Angus Chisholm pictured at their property off Harewood Road. Ironically their property was seriously damaged by a boy racer who careered off the road and smashed through their garden fence and hit the front of the house knocking part of it off its foundations".

Audio, Radio New Zealand

The chair of the inquiry in to the Earthquake Commission has grave concerns about the state of the housing stock in Christchurch due to EQC's failure to properly fix quake damage. It's just one of a raft of findings released by Dame Silvia Cartwright today, after a year and a half long inquiry that heard from hundreds of homeowners and key players. Conan Young has the story.

Audio, Radio New Zealand

Some 10 years on from the devastating Canterbury quakes, the wait is still not over when it comes to law changes needed to improve the Earthquake Commission. The government will not get it done until 2021, if it's re-elected. Meanwhile cases of botched quake repairs needing a fix are still flooding into EQC, Greater Christchurch Regeneration Minister Megan Woods told Checkpoint.

Audio, Radio New Zealand

The capital has a tight rental accommodation market, and the peak demand season is just a few weeks from beginning. One prospective Wellington flat hunter, who'd experienced the Christchurch earthquake - including knowledge of the collapse, or partial collapse, of 3 buildings he'd previously lived in - has contacted us, frustrated at the lack of information available from landlords or letting agencies. What rights to information do tenants have?

Audio, Radio New Zealand

Music we know is a great healer, and members of the Christchurch Symphony Orchestra have just been to quake-hit Kaikoura to play for children and for people who're struggling. Kaikoura Earthquake Recovery Team invited five CSO musicians to perform for local schools, for residents in the Kaikoura Health Facility, and the wider community during the week. CSO first violin Cathy Irons talks to Lynn Freeman about the experience.

Audio, Radio New Zealand

Former drama teacher and casting director Rosie Belton (right) has a motto she lives by: "When all else fails - cook!" Her new book Wild Blackberries explores her life through food. It's about how food enhances the feeling of celebration, and comforts in times of sadness. Having lived through nearly four years of earthquakes in her hometown of Christchurch, Rosie tells Wallace Chapman about why the kitchen and dining table provided so much solace in such unstable times.

Audio, Radio New Zealand

Topics - Emergency services are at the scene of a cliff collapse at the Port of Lyttelton that has damaged fuel storage tanks. Police say evacuations are underway from Brittan Terrace and Cressy Terrace, with people being taken to Lyttelton Main School. Meanwhile - University of Canterbury researchers have confirmed that Christchurch is now experiencing more frequent and severe flooding due to the impact of the earthquakes.

Audio, Radio New Zealand

The government's looking overseas to get more hands on deck to help with the rebuild from Cyclone Gabrielle. A new short-term Recovery Visa will bring in specialist foreign workers through a similar pathway used after the Christchurch and Kaikoura earthquakes. The visas will be fast-tracked with officials aiming to get applications through within seven days. Corn Dann spoke with immigration minister Michael Wood.

Audio, Radio New Zealand

The government is crowdsourcing the cyclone recovery bill. It has launched an international fundraising effort, modelled on the Christchurch Earthquake Appeal - which raised almost $100 million. A separate special Lotto draw will also be held on March 18 with all proceeds going to affected communities. Prime Minister Chris Hipkins has urged New Zealanders to get behind the effort. He defended asking people to chip in when the cost-of-living is so high.

Audio, Radio New Zealand

A panel with Michael Bell, Steph Walker and Kiri Jarden. It’s almost 13 years since the devastating earthquake of 22 February 2011, which forced 70 percent of the Ōtautahi Christchurch CBD to be demolished. While the rebuild has been a slow and often difficult process in visions meeting reality, there is also much to celebrate in the city taking up the opportunity, through art and design, to remake it as a place for all.

Research papers, University of Canterbury Library

This thesis examines how 18 University of Canterbury students based in Christchurch experienced housing insecurity during the three years after a series of major earthquakes from late 2010 and throughout 2011. I adopted a qualitative exploratory approach to gather students’ accounts and examine their experiences which were analysed using constructivist grounded theory methods. Three core categories were identified from the data: mobility, recreating security, and loss. Mobility included the effects of relocation and dislocation, as well as how the students searched for stability. Recreating security required a renewed sense of belonging and also addressed the need to feel physically safe. Lastly, loss included the loss of material possessions and also the loss of voice and political representation. The theory that emerged from these findings is that the extent to which students were able to control their mobility largely explained their experiences of housing insecurity. When students experienced a loss of control over their mobility they effectively addressed this by being resourceful and drawing on existing forms of capital. This resourcefulness generated a new form of capital, here called security capital, which represents a conceptual contribution to existing debates on students’ experiences of homelessness in a disaster context.

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, Lincoln University

Queenstown and Christchurch are twin poles of New Zealand's landscape of risk. As the country's 'adventure capital', Queenstown is a spectacular landscape in which risk is a commodity. Christchurch's landscape is also risky, ruptured by earthquakes, tentatively rebuilding. As a far-flung group of tiny islands in a vast ocean, New Zealand is the poster-child of the sublime. Queenstown and Christchurch tell two different, yet complementary, stories about the sublime. Christchurch and Queenstown are vehicles for exploring the 21st-century sublime, for reflecting on its expansive influence on shaping cultural landscapes. Christchurch and Queenstown stretch and challenge the sublime's influence on the designed landscape. Circling the paradoxes of risk and safety, suffering and pleasure, the sublime feeds an infinite appetite for fear as entertainment, and at the same time calls for an empathetic caring for a broken landscape and its residents.

Research papers, Lincoln University

The world experiences a number of disasters each year. Following a disaster, the affected area moves to a phase of recovery which involves multiple stakeholders. An important element of recovery is planning the rebuild of the affected environment guided by the legislative framework to which planning is bound to (March & Kornakova, 2017). Yet, there appears to be little research that has investigated the role of planners in a recovery setting and the implications of recovery legislative planning frameworks. This study was conducted to explore the role of the planner in the Canterbury earthquake recovery process in New Zealand and the impact of the Canterbury Earthquake Recovery Act 2011 (CER Act) on planners’ roles and how they operated. The methodology comprised a combination of document analysis of legislation and related recovery material and 21 semi-structured interviews with key planners, politicians and professionals involved in the recovery. The results suggest that the majority of planners interviewed were affected by the CER Act in their role and how they operated, although institutional context, especially political constraints, was a key factor in determining the degree of impact. It is argued that planners played a key role in recovery and were generally equipped in terms of skills needed in a recovery setting. In order to better utilise planners in post-disaster recovery or disaster risk management, two suggestions are proposed. Firstly, better promote planners and their capabilities to improve awareness of what planners can do. Secondly, educate and build an understanding between central government politicians and planners over each others role to produce better planning outcomes.

Images, Alexander Turnbull Library

A man sits in an armchair in the ruins of his house with his wife beside him. A man carrying a briefcase marked 'EQC' has come to make an insurance assessment and says 'Unfortunately, this is a North Canterbury collapse - so you'll only get your first $100,000 back'. Context; the Christchurch earthquake of 4th September and the collapse of the South Canterbury Finance Company. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

Documenting earthquake-induced ground deformation is significant to assess the characteristics of past and contemporary earthquakes and provide insight into seismic hazard. This study uses airborne light detection and ranging (LiDAR) and conducts multi-disciplinary field techniques to document the surface rupture morphology and evaluate the paleoseismicity and seismic hazard parameters of the Hurunui segment of the Hope Fault in the northern South Island of New Zealand. It also documents and evaluates seismically induced features and ground motion characteristics of the 2010 Darfield and 2011 Christchurch earthquakes in the Port Hills, south of Christchurch. These two studies are linked in that they investigate the near-field coseismic features of large (Mw ~7.1) earthquakes in New Zealand and produce data for evaluating seismic hazards of future earthquakes. In the northern South Island of New Zealand, the Australian-Pacific plate boundary is characterised by strike-slip deformation across the Marlborough Fault System (MFS). The ENE-striking Hope Fault (length: ~230 km) is the youngest and southernmost fault in the MFS, and the second fastest slipping fault in New Zealand. The Hope Fault is a major source of seismic hazard in New Zealand and has ruptured (in-part) historically in the Mw 7.1 1888 Amuri earthquake. In the west, the Hurunui segment of the Hope Fault is covered by beech forest. Hence, its seismic hazard parameters and paleoearthquake chronology were poorly constrained and it was unknown whether the 1888 earthquake ruptured this segment or not and if so, to what extent. Utilising LiDAR and field data, a 29 km-long section of the Hurunui segment of the Hope Fault is mapped. LiDAR-mapping clearly reveals the principal slip zone (PSZ) of the fault and a suite of previously unrecognised structures that form the fault deformation zone (FDZ). FDZ width measurements from 415 locations reveal a spatially-variable, active FDZ up to ~500 m wide with an average width of 200 m. Kinematic analysis of the fault structures shows that the Hurunui segment strikes between 070° and 075° and is optimally oriented for dextral strike-slip within the regional stress field. This implies that the wide FDZ observed is unlikely to result from large-scale fault mis-orientation with respect to regional stresses. The analysis of FDZ width indicates that it increases with increased hanging wall topography and increased topographic relief suggesting that along-strike topographic perturbations to fault geometry and stress states increase fault zone complexity and width. FDZ width also increases where the tips of adjacent PSZ strands locally vary in strike, and where the thickness of alluvial deposits overlying bedrock increases. LiDAR- and photogrammetrically-derived topographic mapping indicates that the boundary between the Hurunui and Hope River segments is characterised by a ~850-m-wide right stepover and a 9º-14° fault bend. Paleoseismic trenching at Hope Shelter site reveals that 6 earthquakes occurred at A.D. 1888, 1740-1840, 1479-1623, 819-1092, 439-551, and 373- 419. These rupture events have a mean recurrence interval of ~298 ± 88 yr and inter-event times ranging from 98 to 595 yrs. The variation in the inter-event times is explained by (1) coalescing rupture overlap from the adjacent Hope River segment on to the Hurunui segment at the study site, (2) temporal clustering of large earthquakes on the Hurunui segment, and/or (3) ‘missing’ rupture events. It appears that the first two options are more plausible to explain the earthquake chronologies and rupture behaviour on the Hurunui segment, given the detailed nature of the geologic and chronologic investigations. This study provides first evidence for coseismic multi-segment ruptures on the Hope Fault by identifying a rupture length of 44-70 km for the 1888 earthquake, which was not confined to the Hope River segment (primary source for the 1888 earthquake). LiDAR data is also used to identify and measure dextral displacements and scarp heights from the PSZ and structures within the FDZ along the Hurunui segment. Reconstruction of large dextrally-offset geomorphic features shows that the vertical component of slip accounts for only ~1% of the horizontal displacements and confirms that the fault is predominantly strike-slip. A strong correlation exists between the dextral displacements and elevations of geomorphic features suggesting the possibility of age correlation between the geomorphic features. A mean single event displacement (SED) of 3.6 ± 0.7 m is determined from interpretation of sets of dextral displacements of ≤ 25 m. Using the available surface age data and the cumulative dextral displacements from Matagouri Flat, McKenzie Fan, Macs Knob and Hope River sites, and the mean SED, a mean slip rate of 12.2 ± 2.4 mm/yr, and a mean recurrence interval of ~320 ± 120 yr, and a potential earthquake magnitude of Mw 7.2 are determined for the Hurunui segment. This study suggests that the fault slip rate has been constant over the last ~15000 yr. Strong ground motions from the 2010 Darfield (Canterbury) earthquake displaced boulders and caused ground damage on some ridge crests in the Port Hills. However, the 2011 Christchurch earthquake neither displaced boulders nor caused ground damage at the same ridge crests. Documentation of locations (~400 m a.s.l.), lateral displacements (8-970 cm), displacement direction (250° ± 20°) of displaced boulders, in addition to their hosting socket geometries (< 1 cm to 50 cm depth), the orientation of the ridges (000°-015°) indicate that boulders have been displaced in the direction of instrumentally recorded transient peak ground horizontal displacements nearby and that the seismic waves have been amplified at the study sites. The co-existence of displaced and non-displaced boulders at proximal sites suggests small-scale ground motion variability and/or varying boulder-ground dynamic interactions relating to shallow phenomena such as variability in soil depth, bedrock fracture density and/or microtopography on the bedrock-soil interface. Shorter shaking duration of the 2011 Christchurch event, differing frequency contents and different source characteristics were all factors that may have contributed to generating circumstances less favourable to boulder displacement in this earthquake. Investigating seismically induced features, fault behaviour, site effects on the rupture behaviour, and site response to the seismic waves provides insights into fault rupture hazards.

Research papers, The University of Auckland Library

The 2010/2011 Canterbury earthquakes have provided a unique opportunity to investigate the seismic performance of both traditional and modern buildings constructed in New Zealand. It is critical that the observed performance is examined and compared against the expected levels of performance that are outlined by the Building Code and Design Standards. In particular, in recent years there has been a significant amount of research into the seismic behaviour of precast concrete floor systems and the robustness of the support connections as a building deforms during an earthquake. An investigation of precast concrete floor systems in Christchurch has been undertaken to assess both the performance of traditional and current design practice. The observed performance for each type of precast floor unit was collated from a number of post-earthquake recognisance activities and compared against the expected performance determined for previous experimental testing and analysis. Possible reasons for both the observed damage, and in some cases the lack of damage, were identified. This critical review of precast concrete floor systems will assist in determining the success of current design practice as well as identify any areas that require further research and/or changes to design standards.

Research papers, The University of Auckland Library

This paper presents a qualitative study with multiple refugee background communities living in Christchurch, New Zealand about their perspectives and responses to the Canterbury earthquakes of 2010-2011 (32 semi-structured interviews and 11 focus group discussions comprising 112 participants). Whilst the Canterbury earthquakes created significant challenges for the entire region, several refugee background communities found multiple ways to effectively respond to such adversity. Central to this response were their experiences of belonging which were comprised of both ‘civic’ and ‘ethno’ conceptualisations. This discussion includes an analysis on the intersectionality of identity to highlight the gendered, contextual and chronological influences that impact people’s perspectives of and responses to a disaster. As the study was conducted over 18 months, the paper discusses how social capital resources and experiences of belonging can help inform urban disaster risk reduction (DRR) with refugee groups. http://3icudr.org/program

Research papers, University of Canterbury Library

The article asks whether disasters that destroy life but leave the material infrastructure relatively intact tend to prompt communal coping focussing on loss, while disasters that destroy significant material infrastructure tend to prompt coping through restoration / re-building. After comparing memorials to New Zealand’s Christchurch earthquake and Pike River mine disasters, we outline circumstances in which collective restorative endeavour may be grassroots, organised from above, or manipulated, along with limits to effective restoration. We conclude that bereavement literature may need to take restoration more seriously, while disaster literature may need to take loss more seriously.

Research papers, University of Canterbury Library

In the last two decades, New Zealand (NZ) has experienced significant earthquakes, including the 2010 M 7.2 Darfield, 2011 M 6.2 Christchurch, and 2016 M 7.8 Kaikōura events. Amongst these large events, tens of thousands of smaller earthquakes have occurred. While previous event and ground-motion databases have analyzed these events, many events below M 4 have gone undetected. The goal of this study is to expand on previous databases, particularly for small magnitude (M<4) and low-amplitude ground motions. This new database enables a greater understanding of regional variations within NZ and contributes to the validity of internationally developed ground-motion models. The database includes event locations and magnitude estimates with uncertainty considerations, and tectonic type assessed in a hierarchical manner. Ground motions are extracted from the GeoNet FDSN server and assessed for quality using a neural network classification approach. A deep neural network approach is also utilized for picking P and S phases for determination of event hypocentres. Relative hypocentres are further improved by double-difference relocation and will contribute toward developing shallow (< 50 km) seismic tomography models. Analysis of the resulting database is compared with previous studies for discussion of implications toward national hazard prediction models.

Research papers, Lincoln University

This research investigates creativity in a post-disaster setting. The data explore creativity at the intersection of the affected community of Christchurch, New Zealand and the social processes that followed the earthquakes of 2010 - 2012. Personal and contextual influences on creative ideas implemented for community or commercial benefit are also examined. Viewed as creative, unique approaches to post-disaster problem solving were celebrated locally, nationally and internationally (Bergman, 2014; Wesener, 2015; Cloke & Conradson, 2018). Much has been written about creativity, particularly creativity in organisations and in business. However, little is known with regards to who creates after a disaster, why individuals choose to do so and what impact the post-disaster context has on their creative activity. This exploratory study draws on the literature from the fields of creativity, disasters, psychology, sociology and entrepreneurship to interpret first-hand accounts of people who acted on creative ideas in a physically and socially altered environment. A mixed method - albeit predominantly qualitative - approach to data gathering was adopted that included interviews (n=45) with participants who had been the primary drivers of creative ideas implemented in Christchurch after September 2010 – the first major (7.1 magnitude) earthquake in a prolonged sequence of thousands of aftershocks. Key findings include that a specific type of creativity results from the ‘collision’ between individuals and social processes activated by a disaster situation. This type of creativity could be best categorised as ‘little c’ or socially adaptive and emerges through a prosocial filter. There is wide consensus amongst creativity researchers - principally social psychologists - that for output to be considered creative it must be both novel and useful (Runco & Jaegar, 2012). There is greater tolerance for the novelty component after a disaster as novelty itself has greater utility, either as a distraction or because alternatives are few. Existing creativity models show context as input – an additional component of the creative process – but after a disaster the event itself becomes the catalyst for social processes that result in the creativity seen. Most participants demonstrated characteristics commonly associated with creativity and could be categorised as either a ‘free thinker’ and/or an ‘opportunist’. Some appear preadapted to create and thrive in unstable circumstances. Findings from participants’ completion of a Ten Item Personality Inventory (TIPI) showed an apparent reduced need for extraversion in relation to implementing creative ventures in society. This factor, along with higher levels of agreeableness may indicate a potentially detrimental effect on the success of creative ideas established after a disaster, despite earnest intentions. Three new models are presented to illustrate the key findings of this study. The models imply that disasters enhance both the perceived value of creativity and the desire to act creatively for prosocial ends. The models also indicate that these disaster influenced changes are likely to be temporary.

Research papers, University of Canterbury Library

A major lesson from the 2011 Christchurch earthquake was the apparent lack of ductility of some lightly reinforced concrete (RC) wall structures. In particular, the structural behaviour of the critical wall in the Gallery Apartments building demonstrated that the inelastic deformation capacity of a structure, as well as potentially brittle failure of the reinforcement, is dependent on the level of bond deterioration between reinforcement and surrounding concrete that occurs under seismic loading. This paper presents the findings of an experimental study on bond behaviour between deformed reinforcing bars and the surrounding concrete. Bond strength and relative bond slip was evaluated using 75 pull-out tests under monotonic and cyclic loading. Variations of the experiments include the loading rate, loading history, concrete strength (25 to 70 MPa), concrete age, cover thickness, bar diameter (16 and 20 mm), embedded length, and the position of the embedded bond region within the specimen (deep within or close to free surface). Select test results are presented with inferred implications for RC structures.