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Images for 2011; more images...

Audio, Radio New Zealand

It's been a long road to restore Christchurch's Isaac Theatre Royal, but tonight, it will finally open its doors again. The theatre sustained considerable damage in the earthquakes of 22nd February and 13th June 2011 and continuing shakes have made the restoration particularly difficult for architects. The project architect from Warren and Mahoney, is Vanessa Carswell.

Audio, Radio New Zealand

A new study suggests young Maori wahine are being let down by the health system, because of inadequate information to help them find a midwife; A South Island marae has accepted a donation to repair its wharekai damaged during the 2011 Canterbury earthquakes; About 750 Maori and Pasifika Auckland tertiary students will celebrate their academic achievement this week.

Audio, Radio New Zealand

A new study suggests young Maori wahine are being let down by the health system, because of inadequate information to help them find a midwife; A South Island marae has accepted a donation to repair its wharekai damaged during the 2011 Canterbury earthquakes; About 750 Maori and Pasifika Auckland tertiary students will celebrate their academic achievement.

Images, eqnz.chch.2010

External stairs on the Forsyth Barr building in Christchurch. Portions of the internal stairwell collapsed during the earthquake of February 22nd 2011, necessitating use of various means of getting people out of the building. Was the fourth highest building in the city pre earthquakes, but it's future is uncertain. Was for sale "as is, where ...

Images, eqnz.chch.2010

The sign reads: The CTV Building was headquarters of Canterbury Television (CTV) and also housed King’s Education language School, a medical clinic, Hair Consultants, Relationship Services and a nursing school. On February 22nd 2011 the building collapsed as a result of a major earthquake. Sadly, 115 people who were in the building lost their l...

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, scratching his head as he looks at the damaged clock drive of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, looking through the lens of the Townsend Telescope. The lens is the most crucial component of the telescope. It was found unscratched and unbroken in the rubble of the Observatory tower, after 22 February 2011 earthquake. This means that the telescope can be restored.

Images, eqnz.chch.2010

Low tide on the Avon River at New Brighton/Bexley. Note the original bank and the rock wall slipage on right. The white additions were added in March and April 2011 to protect the properties behind from flooding. Ultimately this area was "red zoned" with all houses removed or to be removed and the ground left till a rehabilitation method can ...

Research papers, University of Canterbury Library

The paper presents preliminary findings from comprehensive research studies on the liquefaction-induced damage to buildings and infrastructure in Christchurch during the 2010-2011 Canterbury earthquakes. It identifies key factors and mechanisms of damage to road bridges, shallow foundations of CBD buildings and buried pipelines, and highlights the implications of the findings for the seismic analysis and design of these structures.

Audio, Radio New Zealand

Cats, dogs, horses, parrots, rats, hedgehogs and turtles. Just like people, these animals were affected by the earthquakes in Christchurch. And two researchers have published a new book into just how big the impact of the September 2010 and February 2011 earthquakes were. 'Animals in Emergencies: Learning from the Christchurch Earthquakes' is co-authored by Canterbury University's associate professor Annie Potts, and former veterinary nurse Donelle Gadenne.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive.

Research papers, University of Canterbury Library

The Canterbury earthquakes, which involved widespread damage in the February 2011 event and ongoing aftershocks near the Christchurch central business district (CBD), presented decision-makers with many recovery challenges. This paper identifies major government decisions, challenges, and lessons in the early recovery of Christchurch based on 23 key-informant interviews conducted 15 months after the February 2011 earthquake. It then focuses on one of the most important decisions – maintaining the cordon around the heavily damaged CBD – and investigates its impacts. The cordon displaced 50,000 central city jobs, raised questions about (and provided new opportunities for) the long-term viability of downtown, influenced the number and practice of building demolitions, and affected debris management; despite being associated with substantial losses, the cordon was commonly viewed as necessary, and provided some benefits in facilitating recovery. Management of the cordon poses important lessons for planning for catastrophic urban earthquakes around the world.

Research papers, Lincoln University

The disastrous earthquakes that struck Christchurch in 2010 and 2011 seriously impacted on the individual and collective lives of Māori residents. This paper continues earlier, predominantly qualitative research on the immediate effects on Māori by presenting an analysis of a survey carried out 18 months after the most destructive event, on 22 February 2011. Using a set-theoretic approach, pathways to Māori resilience are identified, emphasising the combination of whānau connectivity and high incomes in those who have maintained or increased their wellbeing post-disaster. However, the results show that if resilience is used to describe a “bounce back” in wellbeing, Māori are primarily enduring the post-disaster environment. This endurance phase is a precursor to any resilience and will be of much longer duration than first thought. With continued uncertainty in the city and wider New Zealand economy, this endurance may not necessarily lead to a more secure environment for Māori in the city.

Research papers, University of Canterbury Library

This paper presents the ongoing development of a new 3D seismic velocity model of Canterbury, New Zealand. The model explicitly represents the Canterbury sedimentary basin, and other significant geologic horizons, which are expected to have important implications on observed ground motions. The model utilizes numerous sources of data, including 3D regional tomography with a variable-depth inferred Moho, seismic reflection survey lines, geotechnical boreholes and well logs, spectral analysis of surface waves, and CPT logs which provide velocity constraints over their respective ranges of application. The model provides P- and S-wave velocity and density (i.e. Vp, Vs and p) over a grid of input points, and is presently being utilized in broadband ground motion simulations of the 2010-2011 Canterbury earthquakes. Comparison of simulated ground motions with those observed in the 2010-2011 Canterbury earthquakes will help provide a better understanding of the salient physical processes which characterized the unique set of strong ground motions recorded in this sequence of earthquake events.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, looking through the lens of the Townsend Telescope. The lens is the most crucial component of the telescope. It was found unscratched and unbroken in the rubble of the Observatory tower, after 22 February 2011 earthquake. This means that the telescope can be restored. Other parts of the earthquake-damaged telescope are in the background of the photograph.

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, looking through the lens of the Townsend Telescope. The lens is the most crucial component of the telescope. It was found unscratched and unbroken in the rubble of the Observatory tower, after 22 February 2011 earthquake. This means that the telescope can be restored. Other parts of the earthquake-damaged telescope are in the background of the photograph.

Audio, Radio New Zealand

Gerry Brownlee is the Canterbury Earthquake Recovery Minister. Hugo Kristinsson is a South Brighton resident who stood for mayor last year on the issue of flood risk and land damage. David Stringer is the spokesperson for the community lobby group Insurance Watch - which has been seeking answers from the council since 2011 about the flood risk to the city. Nine to Noon speaks with all three about the recent flooding in Christchurch.

Audio, Radio New Zealand

Topics - A Christchurch resident says he just wants to get on with his life after his house was flooded for the ninth time since the 2011 earthquake. Fairfax newspapers today feature the story of an elderly gentleman who has been burgled so many times he's afraid to sleep in his own home. In Southland - A 72-year old woman has had her 30-year church membership revoked because she is living in a de facto relationship.

Research papers, University of Canterbury Library

This presentation discusses recent empirical ground motion modelling efforts in New Zealand. Firstly, the active shallow crustal and subduction interface and slab ground motion prediction equations (GMPEs) which are employed in the 2010 update of the national seismic hazard model (NSHM) are discussed. Other NZ-specific GMPEs developed, but not incorporated in the 2010 update are then discussed, in particular, the active shallow crustal model of Bradley (2010). A brief comparison of the NZ-specific GMPEs with the near-source ground motions recorded in the Canterbury earthquakes is then presented, given that these recordings collectively provide a significant increase in observed strong motions in the NZ catalogue. The ground motion prediction expert elicitation process that was undertaken following the Canterbury earthquakes for active shallow crustal earthquakes is then discussed. Finally, ongoing GMPE-related activities are discussed including: ground motion and metadata database refinement, improved site characterization of strong motion station, and predictions for subduction zone earthquakes.

Research papers, University of Canterbury Library

This report to RCP Ltd and University of Canterbury summarises the findings of a 5 month secondment to the CERA Port Hills Land Clearance Team. Improvement strategies were initiated and observed. The Port Hills Land Clearance Programme is the undertaking of the demolition of all built structures from the Crown’s compulsory acquired 714 residential red zoned properties. These properties are zoned red due to an elevated life risk as a result of geotechnical land uncertainty following the 2011 Canterbury Earthquakes.

Research papers, University of Canterbury Library

Case study analysis of the 2010-2011 Canterbury Earthquake Sequence (CES), which particularly impacted Christchurch City, New Zealand, has highlighted the value of practical, standardised and coordinated post-earthquake geotechnical response guidelines for earthquake-induced landslides in urban areas. The 22nd February 2011 earthquake, the second largest magnitude event in the CES, initiated a series of rockfall, cliff collapse and loess failures around the Port Hills which severely impacted the south-eastern part of Christchurch. The extensive slope failure induced by the 22nd February 200 earthquake was unprecedented; and ground motions experienced significantly exceeded the probabilistic seismic hazard model for Canterbury. Earthquake-induced landslides initiated by the 22nd February 2011 earthquake posed risk to life safety, and caused widespread damage to dwellings and critical infrastructure. In the immediate aftermath of the 22nd February 2011 earthquake, the geotechnical community responded by deploying into the Port Hills to conduct assessment of slope failure hazards and life safety risk. Coordination within the voluntary geotechnical response group evolved rapidly within the first week post-earthquake. The lack of pre-event planning to guide coordinated geotechnical response hindered the execution of timely and transparent management of life safety risk from coseismic landslides in the initial week after the earthquake. Semi-structured interviews were conducted with municipal, management and operational organisations involved in the geotechnical response during the CES. Analysis of interview dialogue highlighted the temporal evolution of priorities and tasks during emergency response to coseismic slope failure, which was further developed into a phased conceptual model to inform future geotechnical response. Review of geotechnical responses to selected historical earthquakes (Northridge, 1994; Chi-Chi, 1999; Wenchuan, 2008) has enabled comparison between international practice and local response strategies, and has emphasised the value of pre-earthquake preparation, indicating the importance of integration of geotechnical response within national emergency management plans. Furthermore, analysis of the CES and international earthquakes has informed pragmatic recommendations for future response to coseismic slope failure. Recommendations for future response to earthquake-induced landslides presented in this thesis include: the integration of post-earthquake geotechnical response with national Civil Defence and Emergency Management; pre-earthquake development of an adaptive management structure and standard slope assessment format for geotechnical response; and emergency management training for geotechnical professionals. Post-earthquake response recommendations include the development of geographic sectors within the area impacted by coseismic slope failure, and the development of a GIS database for analysis and management of data collected during ground reconnaissance. Recommendations provided in this thesis aim to inform development of national guidelines for geotechnical response to earthquake-induced landslides in New Zealand, and prompt debate concerning international best practice.

Research papers, The University of Auckland Library

The Catholic Cathedral is classified as a category 1 listed heritage building constructed largely of unreinforced stone masonry, and was significantly damaged in the recent Canterbury earthquakes of 2010 and 2011. In the 2010 event the building presented slight to moderta damage, meanwhile in the 2011 one experienced ground shaking in excess of its capacity leading to block failures and partial collapse of parts of the building, which left the building standing but still posing a significant hazard. In this paper we discuss the approach to develop the earthquake analysis of the building by 3D numerical simulations, and the results are compared/calibrated with the observed damage of the 2010 earthquake. Very accurate records were obtained during both earthquakes due to a record station located least than 80 m of distance from the building and used in the simulations. Moreover it is included in the model the soil structure interaction because it was observed that the ground and foundation played an important role on the seismic behavior of the structure. A very good agreement was found between the real observed damage and the nonlinear dynamic simulations described trough inelastic deformation (cracking) and building´s performance.

Research papers, University of Canterbury Library

Active faults capable of generating highly damaging earthquakes may not cause surface rupture (i.e., blind faults) or cause surface ruptures that evade detection due to subsequent burial or erosion by surface processes. Fault populations and earthquake frequency-­‐magnitude distributions adhere to power laws, implying that faults too small to cause surface rupture but large enough to cause localized strong ground shaking densely populate continental crust. The rupture of blind, previously undetected faults beneath Christchurch, New Zealand in a suite of earthquakes in 2010 and 2011, including the fatal 22 February 2011 moment magnitude (Mw) 6.2 Christchurch earthquake and other large aftershocks, caused a variety of environmental impacts, including major rockfall, severe liquefaction, and differential surface uplift and subsidence. All of these effects occurred where geologic evidence for penultimate effects of the same nature existed. To what extent could the geologic record have been used to infer the presence of proximal, blind and / or unidentified faults near Christchurch? In this instance, we argue that phenomena induced by high intensity shaking, such as rock fragmentation and rockfall, revealed the presence of proximal active faults in the Christchurch area prior to the recent earthquake sequence. Development of robust earthquake shaking proxy datasets should become a higher scientific priority, particularly in populated regions.

Research papers, Lincoln University

As a result of the Christchurch Earthquake that occurred on 22nd February 2011 and the resultant loss of life and widespread damage, a Royal Commission of Enquiry was convened in April 2011. The Royal Commission recommended a number of significant changes to the regulation of earthquake prone building in New Zealand. Earthquake prone buildings are buildings that are deemed to be of insufficient strength to perform adequately in a moderate earthquake. In response to the Royal Commission recommendations the New Zealand Government carried out a consultative process before announcing proposed changes to the building regulations in August 2013. One of the most significant changes is the imposition of mandatory strengthening requirements for earthquake prone buildings on a national basis. This will have a significant impact on the urban fabric of most New Zealand towns and cities. The type of traditional cost benefit study carried out to date fails to measure these impacts and this paper proposes an alternative methodology based on the analysis of land use data and rating valuations. This methodology was developed and applied to a small provincial town in the form of a case study. The results of this case study and the methodology used are discussed in this paper.

Videos, UC QuakeStudies

A video of an interview with New Zealand Fire Service Chief Executive and National Commander Paul Baxter, about the findings of the coronial inquest into the CTV building deaths. Coroner Gordon Matenga found that failures by the Fire Service and Urban Search and Rescue did not contribute to the deaths of eight students at the CTV site in the aftermath of the 22 February 2011 earthquake. Baxter talks about the importance of acknowledging the families of the deceased, and the changes and improvements that have been made by the New Zealand Fire Service since the collapse of the CTV building.

Images, eqnz.chch.2010

Of what many in Christchurch know as the Millers building, but for many recent years was the home to the Christchurch City Council, till just a week or two before the first earthquake of 2010. Now, in mid-2014 it is finally being demolished after nearly 45 months empty. A bus is leaving the new (temporary) bus exchange onto Tuam Street. But n...

Images, UC QuakeStudies

A photograph of Graeme Kershaw, Technician at the University of Canterbury Department of Physics and Astronomy, sitting among the damaged parts of the Townsend Telescope. The telescope was damaged during the 22 February 2011 earthquake, when the Observatory tower at the Christchurch Arts Centre collapsed. Kershaw has been given the task of restoring the telescope. In this photograph he is holding the telescope's clock drive. In the foreground there is a plaque reading, "The equatorial telescope and accessories in this observatory were presented to Canterbury College by James Townsend Esq. 1891. A large contribution towards the erection of the tower was made by the Canterbury Astronomical Society".