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Images, UC QuakeStudies

A view of an empty site that is now covered with weeds and silt from liquefaction. On the site is a digger and two shipping containers. In the background, demolition work on the Manchester Securities House can be seen.

Images, UC QuakeStudies

A view of an empty site that is now covered with weeds and silt from liquefaction. On the site is a digger and two shipping containers. In the background, demolition work on the Manchester Securities House can be seen.

Research papers, University of Canterbury Library

Recent field investigations were carried out to define the shear wave velocity (VS) profile and site periods across the Canterbury region, supplementing earlier efforts in urban Christchurch. Active source surface wave testing, ambient wave field (passive) and H/V spectral ratio methods were used to characterise the soil profile in the region. H/V spectral ratio peaks indicate site periods in the range of 5-7 seconds across much of the Canterbury Plains, broadly consistent with those based on a 1D velocity model for the region. Site periods decrease rapidly in the vicinity of the Canterbury foothills and the Banks Peninsula outcrops. In Christchurch, the Riccarton Gravels result in a significant mode of vibration that has a much shorter period than the site period of the entire soil column down to basement rock.

Images, UC QuakeStudies

A photograph captioned by BeckerFraserPhotos, "The demolition site of the Press building and Warners Hotel in Cathedral Square. The site has now been filled and compressed so that it provides a much pleasanter environment. From here, there is now a marvellous view of the Heritage Apartments building, which allows us a wider perspective of the building than was possible before".

Images, UC QuakeStudies

A photograph of the former site of a block of apartments at 440 Oxford Terrace. The apartments were demolished after the land was zoned Red. Grass has begun to grow over the site. The number 466 has been spray-painted on the footpath in front, as well as the numbers of each apartment. This number is the incorrect street number for the site.

Images, UC QuakeStudies

Plant beds made out of corrugated iron, greening the empty building sites along Colombo Street. These were placed here by Greening the Rubble, a community project in Christchurch to create temporary public parks and gardens on the sites of demolished buildings.