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Images, Canterbury Museum

Semi-circular quilt made from cotton, silk and bandage material to commemorate the 22 February 2011 earthquake. The quilt references Christchurch landscape features, buildings and soil profiles and displays 185 sewn crosses, eight facial profiles and a Harakeke (flax).

Research papers, University of Canterbury Library

Hybrid broadband simulation methods typically compute high-frequency portion of ground-motions using a simplified-physics approach (commonly known as “stochastic method”) using the same 1D velocity profile, anelastic attenuation profile and site-attenuation (κ0) value for all sites. However, these parameters relating to Earth structure are known to vary spatially. In this study we modify this conventional approach for high-frequency ground-shaking by using site-specific input parameters (referred to as “site-specific”) and analyze improvements over using same parameters for all sites (referred to as “generic”). First, we theoretically understand how different 1D velocity profiles, anelastic attenuation profiles and site-attenuation (κ0) values affects the Fourier Acceleration Spectrum (FAS). Then, we apply site-specific method to simulate 10 events from the 2010-2011 Canterbury earthquake sequence to assess performance against the generic approach in predicting recorded ground-motions. Our initial results suggest that the site-specific method yields a lower simulation standard deviation than generic case.

Research papers, University of Canterbury Library

This paper presents an overview of the soil profile characteristics at strong motion station (SMS) locations in the Christchurch Central Business District (CBD) based on recently completed geotechnical site investigations. Given the variability of Christchurch soils, detailed investigations were needed in close vicinity to each SMS. In this regard, CPT, SPT and borehole data, and shear wave velocity (Vs) profiles from surface wave dispersion data in close vicinity to the SMSs have been used to develop detailed representative soil profiles at each site and to determine site classes according to the New Zealand standard NZS1170.5. A disparity between the NZS1170.5 site classes based on Vs and SPT N60 investigation techniques is highlighted, and additional studies are needed to harmonize site classification based on these techniques. The short period mode of vibration of soft deposits above gravels, which are found throughout Christchurch, are compared to the long period mode of vibration of the entire soil profile to bedrock. These two distinct modes of vibration require further investigation to determine their impact on the site response. According to current American and European approaches to seismic site classification, all SMSs were classified as problematic soil sites due to the presence of liquefiable strata, soils which are not directly accounted for by the NZS1170.5 approach.

Images, UC QuakeStudies

An image advertising the All Right? Canterbury Rollercoaster fridge magnet set, which was designed to raise awareness around emotional literacy in Canterbury. The image was used as a profile picture on the All Right? Facebook page. The image was also posted to Facebook by All Right? on 21 July 2014 at 11:00am.

Images, UC QuakeStudies

An image used as a profile picture on the All Right? Facebook page. The image reads, "Ki te kore, nga putake, e makukungia, e kore e rakau, e tupu. If the roots of the tree are not watered, the tree will never grow." All Right? posted the image on their Facebook page on 24 July 2015 at 12:20pm.

Images, UC QuakeStudies

An image used as a profile picture on the All Right? Facebook page. The image reads, "All Right Winter Photo Competition. Win dinner at Gustav's! Share a picture of what's making you feel All Right this winter and be in to win a $100 voucher to Gustav's, the Tannery's hottest new kitchen and wine bar".

Images, UC QuakeStudies

An image advertising a free writing workshop for children aged between 10 and 15. The writing workshop was part of the WORD Christchurch writers festival. The image was used as a profile picture on the All Right? Facebook page. The image was also posted to Facebook by All Right? on 15 July 2014 at 5:31pm.

Images, UC QuakeStudies

An image used as a profile picture on the All Right? Facebook page. The image reads, "Holy Hospitals Batman! What are you and the gang doing in Canterbury?!" The image was promoting the video for the Outrageous Burst of All Right: Superhero Surprise, in which people dressed in superhero costumes entertained children at Christchurch Hospital. The image was posted with a link to the video on Stuff. All Right? posted the image on their Facebook page on 29 June 2014 at 6:46pm.

Images, UC QuakeStudies

An image used as a profile picture on the All Right? Facebook page. The image reads, "Win a $50 Under the Red Veranda voucher!" The promotion was part of Outrageous Burst of All Right: Celebrities and Coffee, in which TV3 stars Hilary Barry, Mike McRoberts and Jeremy Corbett surprised customers at Under the Red Veranda cafe and spoke to them about their experiences post-quake. The event was filmed and uploaded to the All Right? Facebook page, which social media users were encouraged to share around by entering the prize draw for one of these vouchers. All Right? posted the image on their Facebook page on 1 May 2014 at 7:56am.

Images, UC QuakeStudies

An image used as a profile picture on the All Right? Facebook page. The image reads, "Warm fuzzy xmas competition. Post a photo of your Christmas tree or favourite homemade decoration on our Facebook wall and be in to win either half a leg of Hellers ham or a Christmas-inspired Cake by Anna." All Right? posted the image on their Facebook page on 6 December 2013 at 10:03pm.

Images, UC QuakeStudies

A photograph of Ciaran Fox (left), Sue Turner (right) and someone from SCIRT (centre). They are holding signs which read, "Share the love." The photograph was taken at the Outrageous Burst of All Right: Bacon Bombing event. The photograph was used as a profile picture on the All Right? Facebook page on 10 June 2014 at 6:18pm.