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Research papers, The University of Auckland Library

Terminus calving of icebergs is a common mass-loss mechanism from water-terminating glaciers globally, including the lake-calving glaciers in New Zealand’s central Southern Alps. Calving rates can increase dramatically in response to increases in ice velocity and/or retreat of the glacier margin. Here, we describe a large calving event (c. 4.5 × 106 m3) observed at Tasman Glacier, which initiated around 30 min after the MW 6.2 Christchurch earthquake of 22 February 2011. The volume of this calving event was equalled or exceeded only once in a subsequent 13-month-long study. While the temporal association with the earthquake remains intriguing, the effects of any preconditioning factors remain unclear.

Research papers, The University of Auckland Library

The region in and around Christchurch, encompassing Christchurch city and the Selwyn and Waimakariri districts, contains more than 800 road, rail, and pedestrian bridges. Most of these bridges are reinforced concrete, symmetric, and have small to moderate spans (15–25 m). The 22 February 2011 moment magnitude (Mw) 6.2 Christchurch earthquake induced high levels of localized ground shaking (Bradley and Cubrinovski 2011, page 853 of this issue; Guidotti et al. 2011, page 767 of this issue; Smyrou et al. 2011, page 882 of this issue), with damage to bridges mainly confined to the central and eastern parts of Christchurch. Liquefaction was evident over much of this part of the city, with lateral spreading affecting bridges spanning both the Avon and Heathcote rivers.

Research papers, The University of Auckland Library

The 2010 Darfield earthquake is the largest earthquake on record to have occurred within 40 km of a major city and not cause any fatalities. In this paper the authors have reflected on their experiences in Christchurch following the earthquake with a view to what worked, what didn’t, and what lessons can be learned from this for the benefit of Australian earthquake preparedness. Owing to the fact that most of the observed building damage occurred in Unreinforced Masonry (URM) construction, this paper focuses in particular on the authors’ experience conducting rapid building damage assessment during the first 72 hours following the earthquake and more detailed examination of the performance of unreinforced masonry buildings with and without seismic retrofit interventions.

Research papers, The University of Auckland Library

Perimeter Moment resisting steel frames (PMRSFs) are a commonly used seismic resisting system, placed around the perimeter of the building for maximum torsional stiffness. They are typically designed as “strong column weak beam” systems with fixed column bases. When subjected to severe earthquake demand, sufficient to push the beams into the inelastic range, it is expected that plastic hinging at the column bases will occur. However, the response of PMRSF systems to the severe 2010/2011 Christchurch earthquake series did not generate column base hinging in systems which exhibited beam yielding.

Research papers, The University of Auckland Library

Case study unreinforced masonry (URM) buildings that were seismically retrofitted prior to the 2010/11 Canterbury earthquake sequence and exhibited successful performance during these earthquakes are presented herein. Selected buildings were divided into the following categories based on size and complexity: (1) simple, single storey box type buildings (i.e. electrical substations), (2) common and simple commercial buildings, and (3) large and complex clay brick and stone URM buildings. The retrofitted case study URM buildings were evaluated based on overall structural seismic performance as well as the categories of initial seismic design, heritage preservation, architectural appeal, and cost. Detailed observations of 4 representative case study buildings and a summary of findings are reported herein. http://db.nzsee.org.nz/2017/Orals.htm

Images, Alexander Turnbull Library

The cartoon shows rubble and ruined buildings after the Canterbury earthquake of 4th September 2010. Rats representing 'looters' run over the buildings taking advantage as do cockroaches representing 'politics'. Refers to a certain amount of looting but also the high profiles during the aftermath of Mayor Bob Parker with local body elections only a few weeks away and PM John Key in particular. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A man chats over the fence with a newcomer to the area who is digging a vegetable patch. The newcomer is wearing a red and black striped jersey, his dog wears a red and black dog-coat and there are red and black curtains in the windows of the house. The passer-by wonders where the newcomer has located to the Waikato from. The colours make it obvious that he is from Christchurch. Context - People moving away from Christchurch following the earthquake of 22 February 2011. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows a family standing proudly in front of their tent which has 'No leaks!', is 'Earthquake-proof!', and 'Affordable!' An 'Optional extra' is an 'inflatable base for tsunami-prone areas'. Text below reads 'Not suitable for volcanic areas. Refers to the problems that have been experienced in the last couple of decades with leaky homes because of slack building codes (which have now been tightened), refers also to the Canterbury earthquake of 4th September with its aftermath of rebuilding for greater earthquake proofing and lastly refers to the problem of people being unable to afford houses. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Several volunteers work amongst the ruins of a building. A woman nearby weeps and the man comforting her comments 'and to think we believed sports stars were our national heroes'. Context - on 22 February 2011 a 6.3 magnitude earthquake struck in Christchurch which has probably killed more than 200 people (at this point the number is still not known) and caused very severe damage. There has been enormous praise for the efforts of many ordinary people who have shown courage in the catastrophe. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows New Zealand's flag but it has lost one of its four stars. Down in the lower right corner a group of rescue workers using cranes, a cherry picker and a long ladder have pulled the fourth star out of the rubble and are replacing it on the flag. Context - on 22 February 2011 a 6.3 magnitude earthquake struck in Christchurch which killed 185 people and caused very severe damage. Colour and black and white versions of this cartoon are available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

The title reads 'All shook up.... The cartoon shows the year '2010' shaking and dropping bits off the ends of the numbers. A second version has pupils inside the two zeros so that they look like eyes. Context - The Christchurch earthquake of 4 September 2010 and aftershocks which are continuing into 2011. 'All shook up' is the name of a song made famous by Elvis Presley. Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

A man sits at his desk with an enormous sheet of blank paper headed 'New Christchurch' before him; peering over his shoulder is a huge figure who appears to be a man from an earlier era of the history of Christchurch. Context - Christchurch earthquake of 22 February 2011 and the start of debate about how city should be rebuilt. The historic man suggests a strong pull to preserve historic Christchurch. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

Someone holds a bucket with 'Christchurch' printed on it for collecting donations. Context - People need assistance after the devastating earthquake of the 22nd February. On 22 February 2011 at 12:51 pm (NZDT), Christchurch experienced a major magnitude 6.3 earthquake, which resulted in severe damage and many casualties. A National State of Emergency has been declared. This followed on from an original magnitude 7.1 earthquake on 4 September 2010 which did far less damage and in which no-one died. Both colour and black and white versions of this cartoon are available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

Text across the top of the cartoon reads 'When the luck ran out' and shows a disintegrating building that includes two dice with a skull and crossbone on one facet. Context - On 22 February 2011 at 12:51 pm (NZDT), Christchurch experienced a major magnitude 6.3 earthquake, which resulted in severe damage and many casualties. A National State of Emergency has been declared. This followed on from an original magnitude 7.1 earthquake on 4 September 2010 which did far less damage and in which no-one died. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Finance Minister Bill English takes a chain saw to a huge tome that represents the 'NZ Government BUDGET May 2011'. Context - the Government says cutting budget spending is necessary because it is going to have to pay back money borrowed to rebuild Christchurch. The Government will face the biggest budget deficit in New Zealand's history at the end of the current financial year, Finance Minister Bill English says. (NZ Herald 31 March 2011) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text reads 'The earth takes... the world gives'. The cartoon shows an image of the globe with New Zealand in the centre - the continents seem to have formed themselves into a grieving face and arms which reach out to New Zealand. Context - on 22 February 2011 a 6.3 magnitude earthquake struck in Christchurch which has probably killed more than 200 people (at this point the number is still not known) and caused very severe damage. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Two businessmen emerge from a building wondering whether 'Bill English' has ''Made any uplifting pronouncements on the economy or budget lately?..' On the footpath outside is Finance Minister Bill English wearing a sandwich board that reads 'the end is nigh' and carrying a banner that reads 'We're doomed'. Context - the impact of an already struggling economy of the Christchurch earthquakes of 4 September 2010 and 22 February 2011. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A man has climbed an active volcano and pitched a tent in order to get away from the Canterbury earthquake and the flooding in the lower North Island. Refers to the Christchurch earthquake of 4th September 2010 as well as the heavy rain, slips, and flooding from Whanganui in the centre of the North Island down to the Rimutaka Hill Road, North of Wellington. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

MP Jim Anderton who is standing for Mayor of Christchurch in the coming local body elections (9th October) stands up to his chest in a crack in the road waving a sign that reads 'Jim Anderton for mayor' and yelling "I'm still here!' Refers to the very high profile that his rival the standing mayor Bob Parker has enjoyed in the aftermath of the Christchurch earthquake of 4th September 2010. Jim Anderton has rather faded out of the limelight by comparison. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

An arm representing the 'Citizens & Volunteers of Christchurch' offers an Oscar Award for 'True Grit'. Context - Admiration at the way the people and the volunteers have managed after the Christchurch earthquake of 22 February 2011. True Grit is a 2010 American Western film written and directed by the Coen brothers. It is the second adaptation of Charles Portis' 1968 novel of the same name, which was previously adapted for film in 1969 starring John Wayne. Colour and black and white versions of this cartoon are available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

Text at the top of the cartoon reads 'NZ city strengthening?' A whole city enclosed in a glass dome and balanced on huge springs intended to make it earthquake resistant rocks as another aftershock hits. Context - Two earthquakes and hundreds of aftershocks have hit Christchurch, the first on 4 September 2010 and a second more devastating one on 22 February 2011. There has been great emphasis on making heritage buildings that are rebuilt and all new buildings earthquake resistant. The example in the cartoon is perhaps a Springs-with-damper base isolator. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows the name in large capital letters 'Christchurch' with the 't' drawn as the Christian cross symbol. Below is text reading '"These deaths are our greatest loss. They remind us that buildings are just buildings, roads just roads, but people are irreplaceable" John Key' Context - The very severe Christchurch earthquake of 22 February 2011 in which probably more than 200 people died. Two versions of this cartoon are available Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

In the first frame is an 'Emergency kit for national disaster' which is a bin full of disaster supplies like canned food, torch etc. In the second frame there is an 'Emergency kit for economic disaster...' - a bin containing a 'One way ticket to OZ'. Context - The national distaster kit is very relevant after the two earthquakes and numerous aftershocks in Christchurch and increasingly people are moving to Australia in search of jobs and opportunities that seem scarce in New Zealand. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Two men working on the cleanup after the Christchurch earthquake of 22 February 2011 stop for a chat. One says 'Did I tell you my family was on the first ship!' and the other replies 'Blow that! - I got mine out on the first plane!' Context - the 22 February earthquake in Christchurch. The first man is talking about his ancestors coming to New Zealand in the 1940s and the second man is talking about sending his family out of Christchurch after the earthquake. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

It is night and a man and his wife are lifting their chemical toilet over the garden fence with the intention of emptying it into the neighbour's longdrop. The man confidently tells his wife to relax as the neighbour hasn't a clue they are planning to do this. The neighbour, meanwhile, sits in the outhouse holding a cricket bat at the ready. Context - toilet problems in Christchurch post earthquake 22 February 2011. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

A newspaper lying on the boardroom table has a headline reading 'Top NZ companies planning contributions to earthquake relief'. A group of CEOs at a high level meeting almost have cardiac arrests when the chair reports that 'Some comedian suggested we CEOs donate our salary increases and bonuses... But now, moving on to serious matters... Context - Some big companies like Fletcher Building, General Motors and others have pledged substantial money to the Christchurch earthquake relief funds. The Christchurch earthquake happened 22 February 2011. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A woman chats over her garden wall to a passerby who is curious about a huge container-like structure labeled 'emergency kit' that has been built beside the house. She says that in the event of a natural disaster Harold wants to ensure that they will have enough provisions to see them through the Rugby World Cup. Refers to the Christchurch earthquake that occurred 4th September 2010. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text reads '150 great reasons to live in Christchurch'. Someone quotes 'It's only 250 metres to empty your chemical toilet'. An elderly woman trudges through the rain pushing a trolley on which is balanced her chemical toilet. Context - Following the Christchurch earthquake of 22 February 2011 when a great deal of damage was done to the sewage system because of broken pipes thousands of chemical toilets have been distributed but now there seems to be confusion over whether it is safe to use flushing toilets when the sewage system cannot support it or whether residents should still be using chemical toilets. Quantity: 1 digital cartoon(s).

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).