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Images, UC QuakeStudies

Members of the emergency management teams conferring outside of the Christchurch Art Gallery after an aftershock has hit. The Christchurch Art Gallery served as the headquarters for Civil Defence after the 22 February 2011 earthquake.

Images, UC QuakeStudies

Mitchell Brown from the USAR National Management Team farewelling the Taiwanese Search and Rescue Team at the Christchurch International Airport. The team is heading home after helping with the emergency response to the Canterbury Earthquake.

Images, UC QuakeStudies

Mitchell Brown from the USAR National Management Team farewelling the Taiwanese Search and Rescue Team at the Christchurch International Airport. The team is heading home after helping with the emergency response to the Canterbury Earthquake.

Research papers, The University of Auckland Library

This thesis investigates life-safety risk in earthquakes. The first component of the thesis utilises a dataset of earthquake injuries and deaths from recent earthquakes in New Zealand to identify cause, context, and risk factors of injury and death in the 2011 MW6.3 Christchurch earthquake and 2016 MW7.8 Kaikōura earthquake. Results show that nearly all deaths occurred from being hit by structural elements from buildings, while most injuries were caused by falls, strains and being hit by contents or non-structural elements. Statistical analysis of injured cases compared to an uninjured control group found that age, gender, building damage, shaking intensity, and behaviour during shaking were the most significant risk factors for injury during these earthquakes. The second part of the thesis uses the empirical findings from the first section to develop two tools for managing life-safety risk in earthquakes. The first tool is a casualty estimation model for health system and emergency response planning. An existing casualty model used in New Zealand was validated against observed data from the 2011 Christchurch earthquake and found to underestimate moderate and severe injuries by an order of magnitude. The model was then updated to include human behaviour such as protective actions, falls and strain type injuries that are dependent on shaking intensity, as well as injuries and deaths outside buildings. These improvements resulted in a closer fit to observed casualties for the 2011 Christchurch earthquake. The second tool that was developed is a framework to set seismic loading standards for design based on fatality risk targets. The proposed framework extends the risk-targeted hazard method, by moving beyond collapse risk targets, to fatality risk targets for individuals in buildings and societal risk in cities. The framework also includes treatment of epistemic uncertainty in seismic hazard to allow this uncertainty to be used in risk-based decision making. The framework is demonstrated by showing how the current New Zealand loading standards could be revised to achieve uniform life-safety risk across the country and how the introduction of a new loading factor can reduce risk aggregation in cities. Not on Alma, moved and emailed. 1/02/2023 ce

Images, UC QuakeStudies

Al Dwyer, and members of the Disaster Assistance Response Team (DART) outside their headquarters in Latimer Square. Latimer Square was set up as a temporary headquarters for emergency management personnel after the 22 February 2011 earthquake.

Images, UC QuakeStudies

Deputy Administrator for Protection and National Preparedness at the Federal Emergency Management Agency, Tim Manning, briefing members of the Disaster Assistance Response Team (DART) upon their arrival in Christchurch to assist with search and rescue efforts.

Images, UC QuakeStudies

Deputy Administrator for Protection and National Preparedness at the Federal Emergency Management Agency, Tim Manning, briefing members of the Disaster Assistance Response Team (DART) upon their arrival in Christchurch to assist with search and rescue efforts.

Images, UC QuakeStudies

Large cracks in a road in Avonside. Road cones have been placed near the cracks to warn road users. In the distance, piles of liquefaction are on the sides of the road. These have been dug out of residents' properties and placed there for there for the City Council to pick up.

Images, UC QuakeStudies

The damaged Cranmer Centre on the corner of Montreal and Armagh Streets shortly after the 22 February 2011 earthquake. The east wall of the building has crumbled onto the street and a man in a hard hat and high-visibility vest is directing people around it. There is scaffolding on the south side of the building from repair works after the 4 September 2010 earthquake. The gable in the background has also collapsed.