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Images, UC QuakeStudies

Large cracks in a road in Avonside. Road cones have been placed near the cracks to warn road users. In the distance, piles of liquefaction are on the sides of the road. These have been dug out of residents' properties and placed there for there for the City Council to pick up.

Audio, Radio New Zealand

Residents will find out today if they can remain, or if they'll have to leave their homes. With guests Pam Harrison, a Dallington resident who expects she'll have to abandon her home; Leanne Curtis, CanCERN spokesperson and Avonside resident; and David Middleton, former Chief Executive of the Earthquake Commission for 17 years.

Images, eqnz.chch.2010

A few older Christchurch Earthquake Pics from after the 6.3 last Feb (2011). And yes the aftershocks are still happening.. Twitter | Facebook |

Audio, Radio New Zealand

Canadian-born Mark Quigley is a senior lecturer in Active Tectonics and Geomorphology at the Department of Geological Sciences at the University of Canterbury. He's become an unwitting star as the go-to scientific voice throughout the Canterbury earthquakes, using plain language to help people understand what's behind the earthquake sequence. He's also had his own personal quake story - his Avonside home was badly damaged and is in the red zone.

Images, UC QuakeStudies

An aerial photograph captioned by BeckerFraserPhotos, "The Avon River windings its way through densely pupulated housing. The Gayhurst Road bridge can be seen. The piece of land circumscribed by the loop of the river is all zoned red, as is the land to the left of the photo. On the right, most of the land is zoned green or orange".

Images, UC QuakeStudies

An aerial photograph of the Horseshoe Lake district. The photograph has been captioned by BeckerFraserPhotos, "The area circumscribed by a loop of the River Avon is all zoned red, except for the park at the upper left. On the other side of the river, most of the land is also red-zoned apart from the piece in the upper left".

Images, UC QuakeStudies

A sign on a fence on Marine Parade in North New Brighton reads "We need your support. We say yes to a new local high school. Northeast Secondary Education Committee." The photographer comments, "A bike ride to New Brighton and the beach 3 weeks after the Feb 22 quake. Roads were still very rough and under reconstruction. I think this issue may be shelved for a while. Unless Shirley Boys High and Avonside Girls High can't be rebuilt, of course".

Videos, UC QuakeStudies

A video of the removal of the earthquake-damaged Medway Street bridge from the banks of the Avon River. The video shows members of the Stronger Christchurch Infrastructure Rebuild Team removing the bridge and preparing it for transport to the Ferrymead Heritage Park. It will remain at the park until a permanent home can be found for it as an earthquake memorial.

Images, UC QuakeStudies

A sewage pumping station on Avonside Drive has been lifted out of the ground by liquefaction. In the background, the damaged Snell Place footbridge over the Avon River is closed off with cordon fencing. The photographer comments, "A Sunday afternoon ride to New Brighton, then back via Aranui, Wainoni, Dallington, and Richmond. Not a cheerful experience. Dallington footbridge. The two pieces of this foot bridge have moved towards each other, so the bridge has developed quite a peak. The sewage pumping station has been heaved out of the ground by hydraulic pressure during quakes".

Images, UC QuakeStudies

A badly damaged house in Burwood. Parts of the house have moved in different directions, leaving walls and doors misaligned. The photographer comments, "Although this looks like an extreme wide angle shot it is actually a house tilted in every direction at the same time. The earthquake caused the ground to vibrate and compress so much that the sandy soil liquefied and caused the ground to collapse under this modern home".

Images, Alexander Turnbull Library

The small crane on the back of a rubbish truck has picked up a whole portaloo and dumped its contents (a man with his pants around his ankles) into the rubbish. The driver tells the crane operator that he should have emptied 'the bin! ... Not the portaloo!'. A streetsign reads 'Avonside'. Refers to the use of portaloos in parts of Christchurch since the earthquake of 4th September because of damage to plumbing infrastructure. Quantity: 1 digital cartoon(s).

Videos, UC QuakeStudies

Aerial footage of Christchurch after the 4 September 2010 earthquake. The footage shows the earthquake damage to Wizard Home Loans & Cartridge World on Riccarton Road, Harding's Chemist and Angus Donaldson Copy Service on Colombo Street, Para Rubber and Westende Jewellers on Manchester Street, The Loaded Hog on Cashel Street, St Mary & St Athanasios Church on Edgeware Road, The Daily Bagel on Victoria Street, the Laxmi Foodstore on Barbadoes Street, Television Services on Westminster Street, The Hat Shop on High Street, St Paul's Parish Church on Gayhurst Road, Sullivan Park on Galbraith Road, and Avonside Drive.

Images, UC QuakeStudies

Two images of a house, taken before and after the earthquakes. In the after photograph the chimneys are gone, a column supporting the car port has partly collapsed, windows are broken, and the previously neat lawn and driveway are overgrown. The photographer comments, "This was a house that I was selling up to the September 2010 earthquake in Christchurch. It was on Avonside Drive, which was an area that has been badly hit in every earthquake that has hit the area. In the September quake parts of the house moved in different directions and one of the upstairs doors had to be smashed open to release one of the sons from his bedroom. This occurred in the dark with numerous aftershocks shaking the house. Liquefaction poured up through the floor and flowed down the drive. Everyone got out OK, but soon after the house was red stickered meaning it was dangerous to enter. The house was looted many times even though there was constant police patrols. When the most violent earthquake occurred on 22 February 2012 both the tall heavy chimneys came crashing through into the living areas. Subsequent earthquakes and aftershocks have caused one of the brick fence pillars to fall and the front garage pillar to break up and twist. The family's troubles did not end there. They moved into the home of one of their parents and this mansion of a home was so badly affected by the February earthquake that no one could enter to collect any of their or their parents' belongings. They now own a new home, which they are fond of except when the ground shakes yet again. There has been to date 10,712 earthquakes and aftershocks since 4 September 2010".

Research papers, Victoria University of Wellington

This project looks at how destroyed architecture, although physically lost, fundamentally continues to exist within human memories as a non-physical entity. The site chosen is Avonside Girls’ High School in Christchurch, New Zealand, a school heavily damaged during the February 22nd earthquake in 2011. The project focuses on the Main Block, a 1930s masonry building which had always been a symbol for the school and its alumni.  The key theories relevant to this are studies on non-material architecture and memory as these subjects investigate the relationship between conceptual idea and the triggering of it. This research aims to study how to fortify a thought-based architecture against neglect, similar to the retrofitting of physical structures.  In doing so, the importance of the emotive realm of architecture and the idea behind a building (as opposed to the built component itself) is further validated, promoting more broadminded stances regarding the significance of the idea over the object. A new method for disaster recovery and addressing trauma from lost architecture is also acquired. Factors regarding advanced structural systems and programmes are not covered within the scope of this research because the project instead explores issues regarding the boundaries between the immaterial and material.  The project methodology involves communicating a narrative derived from the memories alumni and staff members have of the old school block. The approach for portraying the narrative is based on a list of strategies obtained from case studies.  The final product of the research is a new design for the high school, conveyed through a set of atmospheric drawings that cross-examines the boundaries between the physical and non-physical realms by representing the version of the school that exists solely within memories.

Research papers, University of Canterbury Library

Liquefaction during the 4th September 2010 Mw 7.1 Darfield earthquake and large aftershocks in 2011 (Canterbury earthquake sequence, CES) caused severe damage to land and infrastructure within Christchurch, New Zealand. Approximately one third of the total CES-induced financial losses were directly attributable to liq- uefaction and thus highlights the need for local and regional authorities to assess liquefaction hazards for present and future developments. This thesis is the first to conduct paleo-liquefaction studies in eastern Christchurch for the purpose of de- termining approximate return times of liquefaction-inducing earthquakes within the region. The research uncovered evidence for pre-CES liquefaction dated by radiocarbon and cross-cutting relationships as post-1660 to pre-1905. Additional paleo-liquefaction investigations within the eastern Christchurch suburb of Avon- dale, and the northern township of Kaiapoi, revealed further evidence for pre-CES liquefaction. Pre-CES liquefaction in Avondale is dated as post-1321 and pre-1901, while the Kaiapoi features likely formed during three distinct episodes: post-1458 and possibly during the 1901 Cheviot earthquake, post-1297 to pre-1901, and pre-1458. Evaluation of the liquefaction potential of active faults within the Can- terbury region indicates that many faults have the potential to cause widespread liquefaction within Avondale and Kaiapoi. The identification of pre-CES liquefac- tion confirms that these areas have previously liquefied, and indicates that residen- tial development in eastern Christchurch between 1860 and 2005 occurred in areas containing geologic evidence for pre-CES liquefaction. Additionally, on the basis of detailed field and GIS-based mapping and geospatial-statistical analysis, the distribution and severity of liquefaction and lateral spreading within the eastern Christchurch suburb of Avonside is shown in this study to be strongly in uenced by geomorphic and topographic variability. This variability is not currently ac- counted for in site-specific liquefaction assessments nor the simplified horizontal displacement models, and accounts for some of the variability between the pre- dicted horizontal displacements and those observed during the CES. This thesis highlights the potential applications of paleo-liquefaction investigations and ge- omorphic mapping to seismic and liquefaction hazard assessments and may aid future land-use planning decisions.