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Audio, Radio New Zealand

After the devastating effects on Christchurch, we are all aware of the damage earthquakes can cause. But in New Zealand, a tsunami could be just as damaging. University of Auckland engineers Asaad Shamseldin and PhD student Reza Shafiei are creating waves in the lab to work out how safe our buildings are, if a tsunami hits. Ruth Beran goes to visit them.

Images, UC QuakeStudies

A view down Gloucester Street in the aftermath of the February 2011 earthquake, showing damage to Wave House (formerly the Trade Union building). In the sky above a helicopter can be seen carrying a monsoon bucket that was used to put out flames in the Canterbury Television building.

Images, UC QuakeStudies

A car which was crushed by falling masonry from Wave House (Winnie Bagoes Pizza Bar) on Gloucester Street during the 22 February 2011 earthquake. Emergency personnel have spray painted the car with the word "Clear" to indicate it has been checked for trapped or injured people.

Images, UC QuakeStudies

Several vehicles on Gloucester Street which have been crushed by falling masonry from Wave House (Winnie Bagoes Gourmet Pizza Bar). Emergency personnel have spray painted two of the cars with the word "Clear" to indicate they have been checked for trapped or injured people. The scene has been cordoned off by New Zealand Fire Service tape.

Images, UC QuakeStudies

Damage to Wave House on Gloucester Street (Winnie Bagoes Pizza Bar). The roof and left side of the building have collapsed and crumbled into the street, crushing several cars. Emergency personnel have spray painted two of the cars with the word "Clear" to indicate they have been checked for trapped or injured people. The scene has been cordoned off by New Zealand Fire Service tape.

Research papers, University of Canterbury Library

Blended learning plays an important role in many tertiary institutions but little has been written about the implementation of blended learning in times of adversity, natural disaster or crisis. This paper describes how, in the wake of the 22 February Canterbury earthquake, five teacher educators responded to crisis-driven changing demands and changing directions. Our narratives describe how blended learning provided students in initial teacher education programmes with some certainty and continuity during a time of civil emergency. The professional learning generated from our experiences provides valuable insights for designing and preparing for blended learning in times of crisis, as well as developing resilient blended learning programmes for the future.

Images, UC QuakeStudies

A view down Colombo Street of a team of Fire Service and Search and Rescue personnel using a crane to check the Forsyth Barr building for people trapped by the 22 February 2011 earthquake. Behind them the broken tower of the Christ Church Cathedral can be seen.

Research papers, University of Canterbury Library

This manuscript provides a critical examination of the ground motions recorded in the near-source region resulting from the 22 February 2011 Christchurch earthquake. Particular attention is given to reconciling the observed spatial distribution of ground motions in terms of physical phenomena related to source, path and site effects. The large number of near-source observed strong ground motions show clear evidence of: forward-directivity, basin generated surface waves, liquefaction and other significant nonlinear site response. The pseudo-acceleration response spectra (SA) amplitudes and significant duration of strong motions agree well with empirical prediction models, except at long vibration periods where the influence of basin-generated surface waves and nonlinear site response are significant and not adequately accounted for in empirical SA models. Pseudo-acceleration response spectra are also compared with those observed in the 4 September 2010 Darfield earthquake and routine design response spectra used in order to emphasise the amplitude of ground shaking and elucidate the importance of local geotechnical characteristics on surface ground motions. The characteristics of the observed vertical component accelerations are shown to be strongly dependent on source-to-site distance and are comparable with those from the 4 September 2010 Darfield earthquake, implying the large amplitudes observed are simply a result of many observations at close distances rather than a peculiar source effect.

Images, UC QuakeStudies

A tribute taped to a window of a house on Tasman Place. The tribute reads, "Our red zoned house. When we bought you years ago, you looked a bit tired and sad, but overall you weren't too bad. We spruced you up with paint and love and asked for a blessing from above. The years went by, family and friends celebrations under your roof, your 'veggie' garden gave us kai. We felt safe within your wall, then one dreadful September night, the shaking earth made you fall. You tried with all your groaning might to keep us from harm. Because you were strongly built we held onto the door, while a wave of terror buckled the floor and outside the garden flooded with silt. Now you are near the end, sunken walls and windows bend. We say goodbye today and let you go, Our spirit and heart feels low. You are more than just mortar and brick. For us you were a gift, a safe haven where we once lived".