An entry from Deb Robertson's blog for 1 June 2012 entitled, "The Annual Sister-In-Law Quilt....".
In 2013 Becca Wood, Spatial Performance Practitioner, and Molly Mullen, Applied Theatre Practitioner, collaborated to create a short ambulatory performance with audio score for a group of drama educators attending a conference workshop on the possibilities of walking as performance. The performance was created remotely from the intended site: Rangi Ruru Girls’ School, in Christchurch, New Zealand. Following the destruction of the 2012 earthquake, this site was in a state of transformation and recovery. The performance walk attended to the histories, geographies and politics of this place, somatically, architecturally and socially. This paper engages with three critical questions: How might mediated listening and walking activate the coming together of bodies and place? What performative shifts occurred for the participants in the walk and workshop? How might we come to our senses? Through a performative practice of mediated site-based listening and walking, this paper is a reflection on the creative process and performance. We consider the potential for technologically mediated performance to offer new modes for learning and creative practice through interdisciplinary and evolving intermedial practices. http://www.tandfonline.com/toc/crde20/current AM - Accepted Manuscript
Having a quick but reliable insight into the likelihood of damage to bridges immediately after an earthquake is an important concern especially in the earthquake prone countries such as New Zealand for ensuring emergency transportation network operations. A set of primary indicators necessary to perform damage likelihood assessment are ground motion parameters such as peak ground acceleration (PGA) at each bridge site. Organizations, such as GNS in New Zealand, record these parameters using distributed arrays of sensors. The challenge is that those sensors are not installed at, or close to, bridge sites and so bridge site specific data are not readily available. This study proposes a method to predict ground motion parameters for each bridge site based on remote seismic array recordings. Because of the existing abundant source of data related to two recent strong earthquakes that occurred in 2010 and 2011 and their aftershocks, the city of Christchurch is considered to develop and examine the method. Artificial neural networks have been considered for this research. Accelerations recorded by the GeoNet seismic array were considered to develop a functional relationship enabling the prediction of PGAs. http://www.nzsee.org.nz/db/2013/Posters.htm
We present ground motion simulations of the Porters Pass (PP) fault in the Canterbury region of New Zealand; a major active source near Christchurch city. The active segment of the PP fault has an inferred length of 82 km and a mostly strike-slip sense of movement. The PP fault slip makes up approximately 10% of the total 37 mm/yr margin-parallel plate motion and also comprises a significant proportion of the total strain budget in regional tectonics. Given that the closest segment of the fault is less than 45 km from Christchurch city, the PP fault is crucial for accurate earthquake hazard assessment for this major population centre. We have employed the hybrid simulation methodology of Graves and Pitarka (2010, 2015), which combines low (f<1 Hz) and high (f>1 Hz) frequencies into a broadband spectrum. We have used validations from three moderate magnitude events (𝑀𝑤4.6 Sept 04, 2010; 𝑀𝑤4.6 Nov 06, 2010; 𝑀𝑤4.9 Apr 29, 2011) to build confidence for the 𝑀𝑤 > 7 PP simulations. Thus far, our simulations include multiple rupture scenarios which test the impacts of hypocentre location and the finite-fault stochastic rupture representation of the source itself. In particular, we have identified the need to use location-specific 1D 𝑉𝑠/𝑉𝑝 models for the high frequency part of the simulations to better match observations.
The operation of telecommunication networks is critical during business as usual times, and becomes most vital in post-disaster scenarios, when the services are most needed for restoring other critical lifelines, due to inherent interdependencies, and for supporting emergency and relief management tasks. In spite of the recognized critical importance, the assessment of the seismic performance for the telecommunication infrastructure appears to be underrepresented in the literature. The FP6 QuakeCoRE project “Performance of the Telecommunication Network during the Canterbury Earthquake Sequence” will provide a critical contribution to bridge this gap. Thanks to an unprecedented collaboration between national and international researchers and highly experienced asset managers from Chorus, data and evidences on the physical and functional performance of the telecommunication network after the Canterbury Earthquakes 2010-2011 have been collected and collated. The data will be processed and interpreted aiming to reveal fragilities and resilience of the telecommunication networks to seismic events
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.
A side view of the large screen used for a memorial service in Latimer Square on the anniversary of the 22 February 2011 earthquake.
Vehicles drive through a flooded road in New Brighton. A sign advertising the stronger Christchurch website reads, 'Rebuilding for our future'.
A photograph of a sign for the Ellerslie International Flower Show in Hagley Park. The show was cancelled following the 22 February 2011 earthquake.
A photograph of a sign for the Ellerslie International Flower Show in Hagley Park. The show was cancelled following the 22 February 2011 earthquake.
A photograph of the Atmosphere project being set up for LUXCITY.
A photograph of the Atmosphere project being set up for LUXCITY.
A photograph of the Atmosphere project being set up for LUXCITY.
Aerial image of Lyttelton taken by the Royal New Zealand Air Force for the Earthquake Commission.
Aerial image of Lyttelton taken by the Royal New Zealand Air Force for the Earthquake Commission.
Aerial image of Lyttelton taken by the Royal New Zealand Air Force for the Earthquake Commission.
Aerial image of Cathedral Square taken by the Royal New Zealand Air Force for the Earthquake Commission.
Aerial image of the Port Hills taken by the Royal New Zealand Air Force for the Earthquake Commission.
Aerial image of the Port Hills taken by the Royal New Zealand Air Force for the Earthquake Commission.
Cars parked outside two new buildings on Norwich Quay in Lyttelton. Advertisements for fencing companies hang on security fences that surround the buildings.
Emergency personnel searching the wreckage of the collapsed Pyne Gould Corporation building for people trapped during the 22 February 2011 earthquake.
Emergency personnel searching the wreckage of the collapsed Pyne Gould Corporation building for people trapped during the 22 February 2011 earthquake.
Aerial image of the Port Hills taken by the Royal New Zealand Air Force for the Earthquake Commission.
A photograph of the Atmosphere project being set up for LUXCITY.
A photograph of an installation titled Halo being constructed for LUXCITY.
A photograph of an installation titled Halo being constructed for LUXCITY.
A photograph of an installation titled Halo being constructed for LUXCITY.
A photograph of an installation titled Halo being constructed for LUXCITY.
A photograph of an installation titled Halo being constructed for LUXCITY.
A photograph of a black tie auction for the Whittaker's Big Egg Hunt, held at the Auckland Museum.