12th April 2012 Demolition of Crowne Plaza/Park Royal Hotel due to damage from 22nd February 2011 earthquake and subsequent aftershocks
12th April 2012 Demolition of Crowne Plaza/Park Royal Hotel due to damage from 22nd February 2011 earthquake and subsequent aftershocks
12th April 2012 Demolition of Crowne Plaza/Park Royal Hotel due to damage from 22nd February 2011 earthquake and subsequent aftershocks
12th April 2012 Demolition of Crowne Plaza/Park Royal Hotel due to damage from 22nd February 2011 earthquake and subsequent aftershocks
12th April 2012 Demolition of Crowne Plaza/Park Royal Hotel due to damage from 22nd February 2011 earthquake and subsequent aftershocks
12th April 2012 Demolition of Crowne Plaza/Park Royal Hotel due to damage from 22nd February 2011 earthquake and subsequent aftershocks
Two days after the 22 February 2011 M6.3 earthquake in Christchurch, New Zealand, three of the authors conducted a transect of the central city, with the goal of deriving an estimate of building damage levels. Although smaller in magnitude than the M7.1 4 September 2010 Darfield earthquake, the ground accelerations, ground deformation and damage levels in Christchurch central city were more severe in February 2011, and the central city was closed down to the general public. Written and photographic notes of 295 buildings were taken, including construction type, damage level, and whether the building would likely need to be demolished. The results of the transect compared favourably to Civil Defence rapid assessments made over the following month. Now, more than one year and two major aftershocks after the February 2011 earthquake these initial estimates are compared to the current demolition status to provide an updated understanding of the state of central Christchurch.
Christchurch employers have been in Wellington today signing up tradespeople to help rebuild the earthquake damaged city.
A small wooden cross is inserted between stones laid out in the shape of a large cross. The photographer comments, "This is an Earthquake Memorial on Manchester Street, Christchurch, New Zealand. This message is on the tree next to the memorial: 'Earthquake Memorial. 185 people died as a result of the 22 February 2011 earthquake. 185 precious lives are remembered here, with 185 pieces of Halswell stone recovered from St Luke's Church, damaged beyond repair on that day. May they rest in peace. St Luke's in the City'".
A digitally manipulated image of a broken window. The photographer comments, "There is hardly anything left of Christchurch's proud heritage buildings. Most older buildings were made of brick and though they should have had improvements to make them withstand a medium earthquake most did not. They were badly damaged when hit with a series of earthquakes that were up to 2.2g at the epicentre and 1.88g in the City".
None
In the period between September 2010 and December 2011, Christchurch (New Zealand) and its surroundings were hit by a series of strong earthquakes including six significant events, all generated by local faults in proximity to the city: 4 September 2010 (Mw=7.1), 22 February 2011 (Mw=6.2), 13 June 2011 (Mw=5.3 and Mw=6.0) and 23 December 2011 (M=5.8 and (M=5.9) earthquakes. As shown in Figure 1, the causative faults of the earthquakes were very close to or within the city boundaries thus generating very strong ground motions and causing tremendous damage throughout the city. Christchurch is shown as a lighter colour area, and its Central Business District (CBD) is marked with a white square area in the figure. Note that the sequence of earthquakes started to the west of the city and then propagated to the south, south-east and east of the city through a set of separate but apparently interacting faults. Because of their strength and proximity to the city, the earthquakes caused tremendous physical damage and impacts on the people, natural and built environments of Christchurch. The 22 February 2011 earthquake was particularly devastating. The ground motions generated by this earthquake were intense and in many parts of Christchurch substantially above the ground motions used to design the buildings in Christchurch. The earthquake caused 182 fatalities, collapse of two multi-storey reinforced concrete buildings, collapse or partial collapse of many unreinforced masonry structures including the historic Christchurch Cathedral. The Central Business District (CBD) of Christchurch, which is the central heart of the city just east of Hagley Park, was practically lost with majority of its 3,000 buildings being damaged beyond repair. Widespread liquefaction in the suburbs of Christchurch, as well as rock falls and slope/cliff instabilities in the Port Hills affected tens of thousands of residential buildings and properties, and shattered the lifelines and infrastructure over approximately one third of the city area. The total economic loss caused by the 2010-2011 Christchurch earthquakes is currently estimated to be in the range between 25 and 30 billion NZ dollars (or 15% to 18% of New Zealand’s GDP). After each major earthquake, comprehensive field investigations and inspections were conducted to document the liquefaction-induced land damage, lateral spreading displacements and their impacts on buildings and infrastructure. In addition, the ground motions produced by the earthquakes were recorded by approximately 15 strong motion stations within (close to) the city boundaries providing and impressive wealth of data, records and observations of the performance of ground and various types of structures during this unusual sequence of strong local earthquakes affecting a city. This paper discusses the liquefaction in residential areas and focuses on its impacts on dwellings (residential houses) and potable water system in the Christchurch suburbs. The ground conditions of Christchurch including the depositional history of soils, their composition, age and groundwater regime are first discussed. Detailed liquefaction maps illustrating the extent and severity of liquefaction across Christchurch triggered by the sequence of earthquakes including multiple episodes of severe re-liquefaction are next presented. Characteristic liquefaction-induced damage to residential houses is then described focussing on the performance of typical house foundations in areas affected by liquefaction. Liquefaction impacts on the potable water system of Christchurch is also briefly summarized including correlation between the damage to the system, liquefaction severity, and the performance of different pipe materials. Finally, the characteristics of Christchurch liquefaction and its impacts on built environment are discussed in relation to the liquefaction-induced damage in Japan during the 11 March 2011 Great East Japan Earthquake.
Colleagues of a Christchurch man killed in February's earthquake today relived the frightening moments when the quake struck.
A photograph showing the damaged streetscape of Dallington, following the series of earthquakes in Christchurch.
A photograph showing the damaged streetscape of Dallington, following the series of earthquakes in Christchurch.
A photograph showing the damaged streetscape of Dallington, following the series of earthquakes in Christchurch.
An entry from Roz Johnson's blog for 21 April 2012 entitled, "Demolition of a high story building in Christchurch".
With earthquake damage worse than first, gallery staff are thinking laterally, and this weekend sees the beginning of the Rolling Maul Exhibition. Director Jenny Harper gives us an update.
For people in Christchurch who have to temporarily leave their earthquake damaged home, two housing villages are filling the accommodation gap.
Refers to the reopening of the Christchurch strip club 'Calendar Girls' after more than a year inside the central-city cordon. The building suffered minimal damage but was inaccessible because damage to neighbouring buildings meant the road (Hereford Street) were closed. Quantity: 1 digital cartoon(s).
A photograph showing St Paul's School's damage in Dallington, following the series of earthquakes in Christchurch.
Damaged house on the cliff on the road to Sumner, Christchurch. File reference: CCL-2012-05-12-Around-Sumner-May-2012 DSC_019.JPG From the collection of Christchurch City Libraries.
None
Park Terrace and Salisbury Street in Christchurch will be blocked off today ahead of the staged demolition of two high rise apartment blocks.
Helicopter Flight over Christchurch New Zealand
One multi-coloured softcover book titled 'Trapped' by Martin van Beynen with colour illustrations and maps. Collected experiences of some of those trapped following the 22 February earthquake. Mainstream media coverage of the 22 February 2011 earthquake understandably focussed on the devastating damage and loss of life caused by the earthquake....
The badly twisted Medway Street footbridge. The photographer comments, "The September 4th 2010 earthquake in Christchurch was so violent that the banks of the Avon River moved towards each other. This footbridge being metal had to twist sideways to release the pressure of being pushed from both river banks. It looked like it had been wrung out like a wet towel".
A Christchurch man, whose house was damaged in the earthquakes, has challenged his insurer's CEO to live in it if she truly believes it's repairable.
An entry from Deb Robertson's blog for 19 November 2012 entitled, "Christchurch: Trying to make sense of living here....".
Helicopter Flight over Christchurch New Zealand