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Images, UC QuakeStudies

A photograph of All Right? flags in road cones on Deans Avenue. The flags include simple messages beginning with, "It's All Right if..." or "It's All Right to...", which sought to normalise Cantabrians' various emotional responses to the earthquakes. The flags were distributed at various locations around the city, enabling a 'flag hunt' for Cantabrians.

Images, UC QuakeStudies

A photograph of signs on the side of the Christchurch Art Gallery. The art gallery served as the temporary headquarters for Civil Defence after the 22 February 2011 earthquake. The signs read, "Media Info, Christchurch Earthquake Response" and "Media Briefings, every day 10:30 and 17:30 hours in auditorium". There is also a map showing access points into the central city.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office Emergency Response Team walking down Lichfield Street towards the intersection of Madras Street. There is rubble from several earthquake-damaged buildings on both sides of the road. Plastic fences and road cones have been placed on the street as cordons.

Research papers, Victoria University of Wellington

©2019. American Geophysical Union. All Rights Reserved. Earthquakes have been inferred to induce hydrological changes in aquifers on the basis of either changes to well water-levels or tidal behavior, but the relationship between these changes remains unclear. Here, changes in tidal behavior and water-levels are quantified using a hydrological network monitoring gravel aquifers in Canterbury, New Zealand, in response to nine earthquakes (of magnitudes M w 5.4 to 7.8) that occurred between 2008 and 2015. Of the 161 wells analyzed, only 35 contain water-level fluctuations associated with “Earth + Ocean” (7) or “Ocean” (28) tides. Permeability reduction manifest as changes in tidal behavior and increased water-levels in the near field of the Canterbury earthquake sequence of 2010–2011 support the hypothesis of shear-induced consolidation. However, tidal behavior and water-level changes rarely occurred simultaneously (~2%). Water-level changes that occurred with no change in tidal behavior reequilibrated at a new postseismic level more quickly (on timescales of ~50 min) than when a change in tidal behavior occurred (~240 min to 10 days). Water-level changes were more than likely to occur above a peak dynamic stress of ~50 kPa and were more than likely to not occur below ~10 kPa. The minimum peak dynamic stress required for a tidal behavior change to occur was ~0.2 to 100 kPa.

Research papers, The University of Auckland Library

The Christchurch earthquakes have highlighted the importance of low-damage structural systems for minimising the economic impacts caused by destructive earthquakes. Post-tensioned precast concrete walls have been shown to provide superior seismic resistance to conventional concrete construction by minimising structural damage and residual drifts through the use of a controlled rocking mechanism. The structural response of unbonded post-tensioned precast concrete wall systems, with and without additional energy dissipating elements, were investigated by means of pseudo-static cyclic, snap back and forced vibration testing with shake table testing to be completed. Two types of post-tensioned rocking wall system were investigated; a single unbonded post-tensioned precast concrete wall or Single Rocking Wall (SRW) and a system consisting of a Precast Wall with End Columns (PreWEC). The equivalent viscous damping (EVD) was evaluated using both the pseudo-static cyclic and snap back test data for all wall configurations. The PreWEC configurations showed an increase in EVD during the snap back tests in comparison to the cyclic test response. In contrast the SRW showed lower EVD during the snap back tests in comparison to the SRW cyclic test response. Despite residual drifts measured during the pseudo-static cyclic tests, negligible residual drift was measured following the snap back tests, highlighting the dynamic shake-down that occurs during the free vibration decay. Overall, the experimental tests provided definitive examples of the behaviour of posttensioned wall systems and validated their superior performance compared to reinforced concrete construction when subjected to large lateral drifts.

Images, UC QuakeStudies

Prime Minister John Key talking to Al Dwyer, the leader of the USAID Disaster Assistance Response Team (DART) outside the US headquarters in Latimer Square. John Key is visiting to thank DART for their efforts in the aftermath of the 22 February 2011 earthquake. Canterbury Recovery Minister Jerry Brownlee is standing behind him.

Articles, UC QuakeStudies

A PDF copy of a media release by All Right? titled 'Flower bombing shows Christchurch a little love'. The media release discusses All Right?'s 'Flower Bombing' project, including the recipients, responses, supporters of the project, and quotes from Sue Turner (All Right?) and Renee Roberts (BNZ). The release was produced in September 2013.

Images, UC QuakeStudies

A photograph of Donovan Ryan (All Right?) in front of a wall of All Right? posters and holding a handful of All Right? flags. The posters and flags include simple messages beginning with, "It's All Right if..." or "It's All Right to...", which sought to normalise Cantabrians' various emotional responses to the earthquakes. Ryan and others distributed the flags at various locations around the city, enabling a 'flag hunt' for Cantabrians.

Articles, UC QuakeStudies

A PDF copy of four Adshel poster designs. Each poster features a Christchurch resident's response to the question, "What makes us feel all right?" For instance, the first poster reads, "What makes us feel all right? Spending quality tie with my family. Nicola, Aranui." Posters like these were used in Adshel bus stops around Christchurch as part of phase 3 of the All Right? campaign.

Articles, UC QuakeStudies

A PDF copy of six poster designs. Each poster features a Christchurch resident's response to the question, "What makes us feel all right?" For instance, the first poster reads, "What makes us feel all right? Making pikelets with my children after school and hearing about their day. Sarah, Ilam." Posters like these were used in Adshel bus stops around Christchurch as part of phase 3 of the All Right? campaign.

Articles, UC QuakeStudies

A PDF copy of four Adshel poster designs. Each poster features a Christchurch resident's response to the question, "What makes us feel all right?" For instance, the first poster reads, "What makes us feel all right? Spending quality tie with my family. Nicola, Aranui." Posters like these were used in Adshel bus stops around Christchurch as part of phase 3 of the All Right? campaign.

Images, UC QuakeStudies

The On-Site Operations Coordination Centre (OSOCC) in Latimer Square. After the 22 February 2011 earthquake, emergency service agencies set up their headquarters in Latimer Square. The OSOCC is set up by the United Nations Emergency Relief Coordinator. It helps to coordinate the local emergency response as well as advocate for humanitarian issue in political bodies such as the United National Security Council.

Articles, UC QuakeStudies

A copy of a letter from Empowered Christchurch to Peter Sparrow, Director of Building Control and Rebuild at the Christchurch City Council, sent on 23 October 2014. The letter is a response to another letter sent by Peter Sparrow to Empowered Christchurch regarding existing use rights and exemptions from a building consent. In this letter, Empowered Christchurch requests furthur clarification from the Christchurch Building Consent Authority about these concepts.

Research papers, University of Canterbury Library

Welcome to the Recover newsletter Issue 5 from the Marine Ecology Research Group (MERG) of the University of Canterbury. Recover is designed to keep you updated on our MBIE-funded earthquake recovery project called RECOVER (Reef Ecology, Coastal Values & Earthquake Recovery). This 5th instalment covers the question of how much of the coast uplifted how much, recent lab work on seaweed responses to stressors, and more on our drone survey work to quantify earthquake impacts and recovery along 130 km of coastline in the intertidal zone!

Images, UC QuakeStudies

A photograph of Celia Wade-Brown, Mayor of Wellington, speaking at a graduation ceremony for more than 40 new civil defence volunteers in the Wellington Town Hall. Members of the Wellington Emergency Management Office team were presented certificates of appreciation during this event. The certificates were presented to the members to honour their involvement in the emergency response to the 22 February 2011 earthquakes in Christchurch.

Articles, UC QuakeStudies

A PDF copy of a poster created with the All Right? Poster Generator. The poster features the responses from a number of Christchurch residents about what makes them feel good, such as "Walking up Harry Ell makes everything all right. Alana, Cashmere." The posters were placed around the city at locations such as cafes, doctors surgeries and fish and chip shops. All Right? posted this poster on their Facebook Timeline on 10 May 2013 at 4:07pm.

Articles, UC QuakeStudies

A PDF copy of a poster like those created on the All Right? Poster Generator. The poster features the responses from a number of Christchurch residents about what makes them feel good, such as "Talking to my friends. Tatiana (11), Woolston." The posters were placed around the city at locations such as cafes, doctors surgeries and fish and chip shops. All Right? posted this poster on their Facebook Timeline on 10 May 2013 at 4:06pm.