A photograph of an earthquake-damaged house on Major Hornbrook Road. Some of the cladding has been replaced with plywood sheets.
Volunteers from the Wellington Regional Emergent Management Office standing on a pile of bricks from an earthquake damaged building in Christchurch.
A photograph of a flowchart outlining the steps emergency management personnel took to inspect buildings after the 22 February 2011 earthquake.
A photograph of members of the Red Cross in a Recovery Assistance Centre set up after the 22 February 2011 earthquake.
People enjoying coffee outside the temporary location of the CIRA Coffee & Wares Café set up after the 22 February 2011 earthquake.
A photograph of a sign on a painted piano. The photograph is captioned by Paul Corliss, "Gap Fillers, post earthquake. Woolston".
A photograph of street art at the Addington Saleyards, taken before the Canterbury earthquakes. The artwork is signed by "ZM Clan".
A photograph of street art at the Addington Saleyards, taken before the Canterbury earthquakes. The artwork is signed by "ZM Clan".
A photograph of street art at the Addington Saleyards, taken before the Canterbury earthquakes. The artwork is signed by "ZM Clan".
A photograph of street art at the Addington Saleyards, taken before the Canterbury earthquakes. The photographer attributes the work to Font.
A photograph of a car parked off Montreal Street which has been crushed by bricks falling from an earthquake-damaged building.
A photograph of a car parked off Montreal Street which has been crushed by bricks falling from an earthquake-damaged building.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
A photograph of members of the Wellington Emergency Management Office in a van. Out the window is an earthquake-damaged building.
Tree trunks lying on the grass in Hagley Park. The trees were cut down after they suffered damage in the earthquake.
A photograph of an earthquake-damaged house on Major Hornbrook Road. Some of the cladding has been replaced with plywood sheets.
A house on Main Road in Redcliffs. The tiles on the house's roof have warped during the 22 February 2011 earthquake.
A computer tipped over and files fallen on the floor in the English department office after the 23 December 2011 earthquake.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
Sightseers inspect the damage to a road which buckled during the earthquake, leaving a series of large cracks across the tarmac.
Damage to a brick building. Earthquake-strengthening ties have prevented the gable end from collapsing, but large cracks are still visible.
A photograph captioned by BeckerFraserPhotos, "Earthquake damage to the gateway to the Catholic Convent on Exeter Street in Lyttelton".
This thesis presents the application of data science techniques, especially machine learning, for the development of seismic damage and loss prediction models for residential buildings. Current post-earthquake building damage evaluation forms are developed for a particular country in mind. The lack of consistency hinders the comparison of building damage between different regions. A new paper form has been developed to address the need for a global universal methodology for post-earthquake building damage assessment. The form was successfully trialled in the street ‘La Morena’ in Mexico City following the 2017 Puebla earthquake. Aside from developing a framework for better input data for performance based earthquake engineering, this project also extended current techniques to derive insights from post-earthquake observations. Machine learning (ML) was applied to seismic damage data of residential buildings in Mexico City following the 2017 Puebla earthquake and in Christchurch following the 2010-2011 Canterbury earthquake sequence (CES). The experience showcased that it is readily possible to develop empirical data only driven models that can successfully identify key damage drivers and hidden underlying correlations without prior engineering knowledge. With adequate maintenance, such models have the potential to be rapidly and easily updated to allow improved damage and loss prediction accuracy and greater ability for models to be generalised. For ML models developed for the key events of the CES, the model trained using data from the 22 February 2011 event generalised the best for loss prediction. This is thought to be because of the large number of instances available for this event and the relatively limited class imbalance between the categories of the target attribute. For the CES, ML highlighted the importance of peak ground acceleration (PGA), building age, building size, liquefaction occurrence, and soil conditions as main factors which affected the losses in residential buildings in Christchurch. ML also highlighted the influence of liquefaction on the buildings losses related to the 22 February 2011 event. Further to the ML model development, the application of post-hoc methodologies was shown to be an effective way to derive insights for ML algorithms that are not intrinsically interpretable. Overall, these provide a basis for the development of ‘greybox’ ML models.
A photograph of the earthquake damage to St Paul's-Trinity-Pacific Church on the corner of Cashel and Madras Streets. Large sections of the church have collapsed and the bricks and other rubble have spilled onto the footpath and street in front. Sections of the scaffolding, constructed up the side of the building before the earthquake, have also collapsed.
Canterbury Earthquakes Symposium - Social Recovery 101 – Waimakariri District Council's social recovery framework and lessons learnt from the Greater Christchurch earthquakes This panel discussion was presented by Sandra James, Director (Connecting People) The Canterbury Earthquakes Symposium, jointly hosted by the Department of the Prime Minister and Cabinet and the Christchurch City Council, was held on 29-30 November 2018 at the University of Canterbury in Christchurch. The purpose of the event was to share lessons from the Canterbury earthquakes so that New Zealand as a whole can be better prepared in future for any similar natural disasters. Speakers and presenters included Greater Christchurch Regeneration Minister, Hon Dr Megan Woods, Christchurch Mayor, Lianne Dalziel, Ngāi Tahu chief executive, Arihia Bennett, head of the public inquiry into EQC, Dame Sylvia Cartwright, urban planner specialising in disaster recovery and castrophe risk management, Dr Laurie Johnson; Christchurch NZ chief executive and former Press editor, Joanna Norris; academic researcher and designer, Barnaby Bennett; and filmmaker, Gerard Smyth. About 300 local and national participants from the public, private, voluntary sectors and academia attended the Symposium. They represented those involved in the Canterbury recovery effort, and also leaders of organisations that may be impacted by future disasters or involved in recovery efforts. The focus of the Symposium was on ensuring that we learn from the Canterbury experience and that we can apply those learnings.