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Research papers, University of Canterbury Library

This paper provides an overview of the salient aspects of the dense array of ground motions observed in the 4 September 2010 Darfield and 22 February 2011 Christchurch earthquakes. Particular attention is given to inferred physical reasons for the observed ground motions, which include: (i) source features such as forward directivity effects; (ii) The effects of the Canterbury Plains sedimentary basin on basin-generated surface waves, and waveguide effects through the region; and (iii) the importance of local site response as evidenced by observations of large long period amplification and liquefaction. The significance of vertical ground motion intensity is also examined.

Research papers, University of Canterbury Library

The objective of this study is to examine the influence of near-fault motions on liquefaction triggering in Christchurch and neighboring towns during the 2010-2011 Canterbury earthquake sequence (CES). The CES began with the 4 September 2010, Mw7.1 Darfield earthquake and included up to ten events that triggered liquefaction. However, most notably, widespread liquefaction was induced by the Darfield earthquake and the Mw6.2, 22 February 2011 Christchurch earthquake. Of particular relevance to this study is the forward directivity effects that were prevalent in the motions recorded during the Darfield earthquake, and to a much lesser extent, during the Christchurch earthquake. A 2D variant of the Richart-Newmark fatigue theory was used to compute the equivalent number of cycles (neq) for the ground motions, where volumetric strain was used as the damage metric. This study is unique because it considers the contribution and phasing of both the fault-normal and fault-parallel components of motion on neq and the magnitude scaling factor (MSF). It was found that when the fault-normal and fault-parallel motions were treated individually, the former yielded a lower neq than the latter. Additionally, when the combined effects of fault-normal and fault-parallel components were considered, it was found that the MSF were higher than those commonly used. This implies that motions containing near-fault effects are less demanding on the soil than motions that do not. This may be one of several factors that resulted in less severe liquefaction occurring during the Darfield earthquake than the Christchurch earthquake.

Images, Alexander Turnbull Library

The cartoon shows a house for sale in Christchurch after the earthquakes; there is a jagged rip through the house and the road outside that looks like a seismic graph after a lot of activity. The 'For Sale' sign says 'Open Plan living, open home, Seismologist's dream!'. Context - A house wrecked by the Christchurch earthquakes of September 4th 2010, February 22 2011 and June 13 2011. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A man with his arm around his wife and baby stands on a heap of rubble with a spade in his other hand. In the background are the Christchurch Cathedral and several other badly damaged buildings and a signpost reading 'Christchurch' lies on top of the rubble. Text reads 'Buildings may fall but the Kiwi spirit and compassion for our neighbours will never be crushed...' There are two versions of the cartoon, one in colour and one black and white. Refers to the Christchurch earthquake of 4th September 2010. Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows a daffodil blooming in an earthquake fissure with the wrecked buildings of Christchurch in the background. Context: September 4th is the anniversary of the first quake. Many people in Christchurch are still living in houses that may yet be red stickered (condemned) and many city buildings are still out of bounds, either condemned to destruction or rebuilt after the earthquakes of September 4th 2010 and February 22nd and June 13th 2011. But the return of spring maybe brings a sense of encouragement and hope. Title provided by librarian Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text at top left reads 'Earthquake... aftershock... or "new event"... one thing remains constant...' Below is a snail with 'EQC payments' printed on its shell. Context - This is a reference to the problems that Christchurch people are having in getting payments from the EQC (Earthquake Commission) Disgruntled tradespeople who are owed hundreds of thousands of dollars by EQC are considering legal action. Remaining unpaid can mean that companies may have to consider laying people off. The Amalgamated Workers Union says delays in EQC payments for housing repair work in quake-hit Christchurch are building to a crisis point. Two versions of this cartoon are available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows a part of Christchurch with a great earthquake fissure running through it. In the fissure are dozens of eyes shining in the dark and people struggle to clamber out. A sign reads 'The Orange Zone. No fun - no parties - Come in and wait for nothing to happen!' Context: The 'Orange Zone' makes a wordplay on 'fanzone' the play spaces for Rugby World Cup revellers. The Orange Zone in Christchurch is the area where as yet decisions still have not been made about the fate of the houses in it. These people feel as though they are in limbo, unable to make decisions about their lives and homes. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The title reads 'Greener square for Christchurch?..' The cartoon depicts the city centre in Christchurch entirely covered with green and there are cows wandering by the stream as well as grazing on the tops of buildings. A man at the top of the green cathedral says 'I can see it really growing on me!' Context: This is a reference to the draft Central City plan under which the Central City will be greener and more attractive. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text across the top of the cartoon reads 'Greener pastures for red zone residents?... A new subdivision named 'Quakehaven' has streets named 'Wobble Way', 'Poopong Parade', 'Turd Tce.', 'Liquefaction Lane' etc. One of a couple visiting the new area says 'I've got a bad feeling about this new subdivision!' Context - Housing after the Christchurch earthquakes. After the first Land Report was delivered on 23rd June people whose houses were in the Red Zone had their properties bought up by the government and now have to move to new subdivisions. The suggestion in the cartoon is that the subdivisions may not be on safe ground. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

In the top frame a man reads a newspaper report that says 'Govt to buy up red stickered homes' and shouts 'That's it - I'm out!' His mate comments that he thought it was his neighbour's house that was munted and that his house was ok. In the lower frame the first man says 'That's right... and I don't want to live next door to a politician?!' Context - A report released 23 June 2011 has divided quake-hit Canterbury into four zones with those in the worst affected residential red zone offered cash to move out. The man in the cartoon thinks that the government is buying up the houses so that politicians can live in them. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

A chimpanzee paints with a palette of colours. Context: After the earthquakes in Christchurch buildings and areas were designated green, blue, red or white depending on the degree of damage. Buildings in the 'red' zone were then examined to ascertain whether they should be demolished or restored and sometimes the land itself was deemed unsafe. There have been many controversial decisions made which is the point the cartoon makes. Quantity: 1 digital cartoon(s).

Images, Canterbury Museum

One section of power cable with cut ends, covered in rubber and black electrical tape; two smaller cables branching off the main section; damaged and twisted in the 22 February 2011 earthquake. One of the most noticeable effects of the earthquakes in Canterbury was the loss of basic infrastructure such as power, water and sewerage. The earthqu...

Images, Alexander Turnbull Library

Passengers use the baggage carousel at the Christchurch Airport to sleep on as they are swept around. 'Such a unique concept... a revolving motel!' Shortage of accommodation in Christchurch, because of earthquake-damaged hotels and motels and workers coming in for the Rebuild, was a serious problem for travellers to Christchurch, leading many to sleep in the airport overnight. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

The Resilient Organisations Research Programme and the University of Canterbury are undertaking a longitudinal study to examine the resilience and recovery of organisations within the Canterbury region following the 4 September Canterbury earthquake. The preliminary data suggest the physical, economic and social effects of the earthquake were varied across industry sectors within Canterbury. These preliminary results catalogue organisations’ perceptions of the: - disruptions to their ability to do business - challenges faced in the aftermath of the earthquake - factors that have helped mitigate the effects of the earthquake - revenue changes and projections for the duration of this change - financing options for recovery

Images, Alexander Turnbull Library

The title is 'Gerry BrownLie?' and the cartoon shows the Minister for Earthquake recovery, Gerry Brownlee, saying 'It was NOT a lie. It was a false promise'. Context: Earthquake Minister Gerry Brownlee has apologised for falsely promising red zone homeowners they would be paid out for improvements to their house. Brownlee promised in June that, in some cases, home improvements like new kitchens would be included in the government settlement offer for red zone houses. But the offer is only valid if the improvement has added to the footprint of the house. (Press - 4 September 2011) Alternate version of DCDL-0018758 Quantity: 1 digital cartoon(s).

Audio, Radio New Zealand

Tourist operators in Akaroa on the Banks Peninsula hit hard by the effects of the Christchurch earthquake are making a desperate push to lure back the tourists.

Images, Alexander Turnbull Library

The cartoon shows the word 'Christchurch' with 'church' crossed out and replaced with 'mess'. A second version has the word 'scary' added. A third version has the word 'church' replaced by 'mas'. A fourth version has the words 'early' and 'presence' included and 'church' is replaced by 'mess'. Context: concern about continuing trials and tribulations of Christchurch with unremitting earthquakes and aftershocks. Four versions of this cartoon are available Quantity: 4 digital cartoon(s).

Images, Alexander Turnbull Library

A rat in a business suit representing 'insurance companies' carries a briefcase labelled 'Total replacement policies' and follows a fellow rat into a large hole 'loop holes' that leads into a collapsed building. The rat says 'Woo-hoo! Home sweet home!' Context - Problems for people whose houses were damaged in the Christchurch earthquakes. One of the options presented to residents in the red zone, ideal for people with replacement policies, was the government bought your land, and you dealt directly with your insurers about your house. However they got a shock when insurers told them they won't replace their homes, they'll only repair them, even though they're earmarked for certain demolition. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text reads 'The earth moved...... and so did the government's infrastructure spending estimate'. Centre cartoon is the text '$17 billion' set against the backdrop of a seismic graph. Context - Auckland and Christchurch have been given top priority in the Government's latest national infrastructure plan, with more than seven billion dollars of its $17 billion budget going to the two cities. NZ Council for Infrastructure chief executive Stephen Selwood says hes not surprised at the large amount of funding going to Auckland and Christchurch, saying its clear the Christchurch rebuild will require a major commitment and Aucklands continued growth also requires significant funding. (Source: www.3news.co.nz, 5 July 2011) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text reads 'Refugees told they're not welcome in NZ...' The cartoon shows a boat full of refugees, which has tattered sails, one bearing the words 'We need a home'. A helicopter flies by and someone says 'False alarm! They're Christchurch residents trying to get out!' Context - A boat full of Sri Lanken Tamils supposedly want to come to New Zealand as refugees has been told by Prime Minister John Key that they are 'not welcome'. The pm has been accused of 'scaremongering' and that he 'has misjudged his response'. (Nelson Mail 13 July 2011). Also a reference to the plight of many people in Christchurch whose houses have been condemned by the earthquakes of 2010 and 2011. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

This study explored the effects of the Canterbury earthquakes of 2010 and 2011 on different areas of quality of life (QOL) for children and adolescents with disabilities. Using a survey developed from the Quality of Life Instrument for People with Developmental Disabilities – Short Version (QOL-PDD-SV) (Brown, Raphael & Renwick, 1997) and The World Health Organisation Quality of Life - (WHOQOL)-BREF, parents or caregivers were asked to identify what level of importance and satisfaction their child or adolescent placed on areas of QOL including physical health, psychological health - stress levels and coping ability, attachment to their neighbourhood, friends, family, leisure activities, community access and schooling. They were also asked to determine what level of impact the earthquakes had had on each area of their child or adolescent’s life and overall quality of life in the aftermath of the earthquakes. A total of 31 parents of 22 males and 9 females between the ages of 2.5 years to 19 years of age (mean age: 12.6 years) responded. The results were collated and analysis was run to measure for the effect of age, gender and geographical location. The results found that the earthquakes affected nearly every area of QOL for the children and adolescents. The biggest impact on the children’s psychological health and their ability to cope It was observed that younger children (<13) were more likely to record improved or lessened effects from the earthquakes in psychological health areas. However, the areas of social belonging and friendships were the least affected by the earthquakes. Female children were more likely to indicate higher scores for social belonging after the earthquakes. Many parents observed that their children developed improved coping skills over the earthquake period. The findings in this study offer a better understanding of how earthquakes can affect the quality of life children and adolescents with disabilities.

Images, Alexander Turnbull Library

Text above reads 'Cathedral rebuild?... The cartoon shows the Christchurch Cathedral as a bouncy cathedral full of jumping children. Context - Debate about the rebuilding of the cathedral after it was severely damaged in the Christchurch earthquakes of 2010 and 2011. There is a strong view that it needs to remain an icon at the heart of the city. It may have to be brought down completely as engineers consider the future for the iconic building. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows a desperate man representing 'Christchurch' who is clutching the end of a broken plank that protrudes from a crumbling cliff-face. He says 'Who said we're living ON the edge?!' Context - the man is suggesting that they are not On the edge but OVER it. Refers to the continuing hardships facing many Christchurch residents as earthquakes and aftershocks continue and many face large financial losses because of insurance problems. Quantity: 1 digital cartoon(s).