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Images for Earthquake Damage; more images...

Images, Alexander Turnbull Library

The cartoon is a spoof of Rodin's famous sculpture 'The thinker' and shows it with a globe for its head. It holds a newspaper that reads 'Massive 'quake in Japan - ChCh. 'quake, China 'quake, Aus. Floods fires etc. etc.' The thinker ponders 'What's with all these disasters?..' Context - The massive earthquake in Japan that led to a devastating tsunami and now threats from several damaged nuclear power stations, the earthquakes in Christchurch on 4 September 2010 and 22 February 2011, the 5.8-magnitude earthquake in Yingjiang County, southwest China's Yunnan Province on March 15, 2011, and the January floods in Queensland, Australia, as well as bush fires on the outskirts of the Western Australia capital Perth. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

Major earthquakes, such as the Canterbury and Kaikoura events recorded in New Zealand in 2010 and 2016 respectively, highlighted that floor systems can be heavily damaged. At a reduced or full scale, quasi-static experimental tests on structural sub-assemblies can help to establish the seismic performance of structural systems. However, the experimental performance obtained with such tests is likely to be dependent on the drift protocol adopted. This paper provides an overview of the drift protocols which have been assumed in previous relevant experimental activities, with emphasis on those adopted for testing floor systems. The paper also describes the procedure used to define the loading protocol applied in the testing of a large precast concrete floor diaphragm as part of the Recast floor project at the University of Canterbury. Finally, major limits of current loading protocols, and areas of future research, are identified.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Loyal Benevolent Lodge on Canon Street. Bricks at the top of the façade have crumbled and fallen to the ground, bringing the awning with them. Large cracks can be seen in the remaining brick wall.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Asko Design building on Victoria Street. The front facade and side wall have crumpled, exposing the inside of the buildings. The awnings over the windows have been twisted and ripped off by the falling bricks.

Images, UC QuakeStudies

A photograph looking north up Colombo Street across the intersection of Kilmore Street. The buildings on either side of the street have been severely damaged by the earthquakes. The rubble and other debris has since been cleared from the street and footpaths.

Images, UC QuakeStudies

A photograph of the second storey of the partially-demolished Westende Jewellers Building on the corner of Manchester and Worcester Streets, which housed Alva Rados Mexican restaurant. The building was severely damage during the 4 September 2010 earthquake and had to be demolished.

Images, UC QuakeStudies

A photograph of the earthquake damage to a Stonehurst Accommodation building on Gloucester. The bottom storey of the building has collapsed and the top two storeys are resting on the rubble. One wall of the building has also collapsed, exposing the rooms inside.

Images, UC QuakeStudies

A photograph of the earthquake damage to a house on Woodham Road. The house has come off its foundations as the bricks wall have crumbled, spilling onto the footpath in front. Road cones have been placed along the street to warn road users.

Images, UC QuakeStudies

A damaged concrete tilt-slab building. The slabs have separated and tilted, and are supported by steel bracing. The photographer comments, "This house in Christchurch was made by bolting 4 slabs of concrete together. A fantastic idea in a country prone to earthquakes".

Research papers, University of Canterbury Library

This study analyses the Earthquake Commission’s (EQC) insurance claims database to investigate the influence of seismic intensity and property damage resulting from the Canterbury Earthquake Sequence (CES) on the repair costs and claim settlement duration for residential buildings. Firstly, the ratio of building repair cost to its replacement cost was expressed as a Building Loss Ratio (BLR), which was further extended to Regional Loss Ratio (RLR) for greater Christchurch by multiplying the average of all building loss ratios with the proportion of building stock that lodged an insurance claim. Secondly, the total time required to settle the claim and the time taken to complete each phase of the claim settlement process were obtained. Based on the database, the regional loss ratio for greater Christchurch for three events producing shakings of intensities 6, 7, and 8 on the modified Mercalli intensity scale were 0.013, 0.066, and 0.171, respectively. Furthermore, small (less than NZD15,000), medium (between NZD15,000 and NZD100,000), and large (more than NZD100,000) claims took 0.35-0.55, 1.95-2.45, and 3.35-3.85 years to settle regardless of the building’s construction period and earthquake intensities. The number of claims was also disaggregated by various building characteristics to evaluate their relative contribution to the damage and repair costs.

Images, Canterbury Museum

One landscape colour digital photograph taken on 25 February 2011 showing damage to the Lyttelton Police Station on Sumner Road and London Street. Photograph taken looking west from St Davids Street. In December 2011, the New Zealand Police decided that the Lyttelton Police Station would be demolished. The building, which opened in 1882 was re...

Research papers, University of Canterbury Library

Case study analysis of the 2010-2011 Canterbury Earthquake Sequence (CES), which particularly impacted Christchurch City, New Zealand, has highlighted the value of practical, standardised and coordinated post-earthquake geotechnical response guidelines for earthquake-induced landslides in urban areas. The 22nd February 2011 earthquake, the second largest magnitude event in the CES, initiated a series of rockfall, cliff collapse and loess failures around the Port Hills which severely impacted the south-eastern part of Christchurch. The extensive slope failure induced by the 22nd February 200 earthquake was unprecedented; and ground motions experienced significantly exceeded the probabilistic seismic hazard model for Canterbury. Earthquake-induced landslides initiated by the 22nd February 2011 earthquake posed risk to life safety, and caused widespread damage to dwellings and critical infrastructure. In the immediate aftermath of the 22nd February 2011 earthquake, the geotechnical community responded by deploying into the Port Hills to conduct assessment of slope failure hazards and life safety risk. Coordination within the voluntary geotechnical response group evolved rapidly within the first week post-earthquake. The lack of pre-event planning to guide coordinated geotechnical response hindered the execution of timely and transparent management of life safety risk from coseismic landslides in the initial week after the earthquake. Semi-structured interviews were conducted with municipal, management and operational organisations involved in the geotechnical response during the CES. Analysis of interview dialogue highlighted the temporal evolution of priorities and tasks during emergency response to coseismic slope failure, which was further developed into a phased conceptual model to inform future geotechnical response. Review of geotechnical responses to selected historical earthquakes (Northridge, 1994; Chi-Chi, 1999; Wenchuan, 2008) has enabled comparison between international practice and local response strategies, and has emphasised the value of pre-earthquake preparation, indicating the importance of integration of geotechnical response within national emergency management plans. Furthermore, analysis of the CES and international earthquakes has informed pragmatic recommendations for future response to coseismic slope failure. Recommendations for future response to earthquake-induced landslides presented in this thesis include: the integration of post-earthquake geotechnical response with national Civil Defence and Emergency Management; pre-earthquake development of an adaptive management structure and standard slope assessment format for geotechnical response; and emergency management training for geotechnical professionals. Post-earthquake response recommendations include the development of geographic sectors within the area impacted by coseismic slope failure, and the development of a GIS database for analysis and management of data collected during ground reconnaissance. Recommendations provided in this thesis aim to inform development of national guidelines for geotechnical response to earthquake-induced landslides in New Zealand, and prompt debate concerning international best practice.

Images, UC QuakeStudies

A digitally manipulated photograph of a letterbox lying on the ground in front of a red-stickered house. The photographer comments, "An abandoned red stickered house just outside the four avenues that surround Christchurch CBD. The letterbox came down when the wall it was attached to collapsed. The occupants would have had strict instructions to stay out as the property is too dangerous to enter in case there is another earthquake or big aftershock".