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Images, eqnz.chch.2010

Part of the parapet fell off from this Burger King outlet on Bealey Ave during the magnitude 7.1 earthquake that struck Christchurch on Saturday 4 September 2010.

Images, eqnz.chch.2010

Can't believe how much of this rock fell off! Its looks totally different - no longer a castle. Sad but very glad that the huge rock did not hit anything on the way down!

Images, UC QuakeStudies

A fallen branch caught in weeds in the River Styx. The photographer comments, "This branch was broken off during one of the recent Christchurch earthquakes and fell into the River Styx. Now one side has sprouted roots and the other new buds".

Images, UC QuakeStudies

A van partially submerged in liquefaction. The photographer comments, "A van that unluckily drove into a hole caused by the terrible liquefaction on Beach Road, North New Brighton during the Christchurch earthquake".

Images, UC QuakeStudies

A photograph of the John Robert Godley statue on display in the Canterbury Quakes exhibition at the Canterbury Museum. The statue fell off its plinth in Cathedral Square during the 22 February 2011 earthquake, exposing two time capsules.

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Gunyah homestead was badly damaged during the September 4th 2010 earthquake, but the Cottrell family are picking up the pieces and rebuilding. What remains of the master bedroom bed where a large brick chimney fell through the roof crushing the bed where William and Simonetta Cottrell had been sleeping moments before".

Audio, Radio New Zealand

Johanna McCord moved to Christchurch just before the first earthquake in September nearly four years ago. But she fell in love with the city, regardless of its tectonic troubles. Johanna has just set up a blog called 'We Built This City' which is designed to showcase some of Christchurch's businesses and events. More than an information hub, it takes a personal look at some of the people who are really making a difference in the quake struck city.

Audio, Radio New Zealand

A woman badly injured in the Christchurch earthquake is astonished a new building in the city has been found to have serious seismic flaws. The empty new office building at 230 High Street has multiple problems in its earthquake design that the city council was warned about almost two years ago. Construction of the seven-storey building continued even after those warnings in December 2017. Susie Ferguson speaks to University of Canterbury lecturer Ann Brower, who was crushed after falling masonry fell on her bus during the February twenty-second 2011 earthquake.

Audio, Radio New Zealand

When the 6.3 magnitude earthquake struck Christchurch at 2:20 on Monday afternoon Barry Ross was outside his home at Godley Head on the Port Hills, where is he is the Department of Conservation caretaker. Barry's house is thought to be the closest to the epicentre that day and such was the force of the quake he was thrown to the ground and some of the cliff nearby fell away. He lost power and water for a few days but now he's back home, clearing up and determined to get on with life.

Research papers, University of Canterbury Library

A major hazard accompanying earthquake shaking in areas of steep topography is the detachment of rocks from bedrock outcrops that subsequently slide, roll, or bounce downslope (i.e. rockfalls). The 2010-2011 Canterbury earthquake sequence caused recurrent and severe rockfall in parts of southern Christchurch. Coseismic rockfall caused five fatalities and significant infrastructural damage during the 2011 Mw 6.2 Christchurch earthquake. Here we examine a rockfall site in southern Christchurch in detail using geomorphic mapping, lidar analysis, geochronology (cosmogenic 3He dating, radiocarbon dating, optically stimulated luminescence (OSL) from quartz, infrared stimulated luminescence from K-feldspar), numerical modeling of rockfall boulder trajectories, and ground motion prediction equations (GMPEs). Rocks fell from the source cliff only in earthquakes with interpolated peak ground velocities exceeding ~10 cm/s; hundreds of smaller earthquakes did not produce rockfall. On the basis of empirical observations, GMPEs and age chronologies we attribute paleo-rockfalls to strong shaking in prehistoric earthquakes. We conclude that earthquake shaking of comparable intensity to the strongest contemporary earthquakes in Christchurch last occurred at this site approximately 5000 to 7000 years ago, and that in some settings, rockfall deposits provide useful proxies for past strong ground motions.

Research papers, University of Canterbury Library

The 2010-2011 Canterbury Earthquakes brought devastation to the city of Christchurch and has irrevocably affected the lives of the city’s residents. Years after the conclusion of these earthquakes, Christchurch and its residents are well on the path to recovery. Crime has proven an ongoing topic of discussion throughout this period, with news reports of increased burglary and arson in areas left largely abandoned by earthquake damage, and a rise in violent crime in suburban areas of Christchurch. Following the body of research that has considered the reaction of crime to natural disasters, this research has sought to comprehensively examine and understand the effects that the Canterbury Earthquakes had on crime. Examining Christchurch-wide offending, crime rates fell over the study period (July 2008 to June 2013), with the exception of domestic violence. Aside from a momentary increase in burglary in the days immediately following the Christchurch Earthquake, crime rates (as of 2013) have remained largely below pre-earthquake levels. Using Dual Kernel Density Estimation Analysis, a distinct spatial change in pre-earthquake crime hotspots was observed. These changes included an enormous decrease in central city offences, a rise in burglary in the eastern suburbs, and an increase in assault in areas outside of the central city. Logistic regression analysis, using a time-compensated dependent variable, identified a number of statistically-significant relationships between per CAU crime rate change and factors measuring socio-demographic characteristics, community cohesion, and the severity of disaster effects. The significance of these findings was discussed using elements of Social Disorganisation Theory, Routine Activity Theory, and Strain Theory. Consistent with past findings, social order was largely maintained following the Canterbury Earthquakes, with suggestion that increased collective efficacy and therapeutic communities had a negative influence on crime in the post-earthquake period. Areas of increased burglary and assault were associated with large population decreases, suggesting a link with the dissolution of communities and the removal of their inherent informal guardianship. Though observed, the increase in domestic violence was not associated with most neighbourhood-level variables. Trends in crime after the Canterbury Earthquakes were largely consistent with past research, and the media’s portrayal.

Audio, Radio New Zealand

Dr JIAN YANG to the Minister of Finance: What changes has the Government made in recent years to make the tax system fairer and to help families and businesses get ahead? Rt Hon WINSTON PETERS to the Minister of Internal Affairs: On what basis was the recall and cancellation of New Zealand Passport LN138690 undertaken? Hon DAVID PARKER to the Associate Minister of Finance: Does he still believe that a 33 cent top marginal income tax rate is the reason for fewer departures to Australia in 2014? CATHERINE DELAHUNTY to the Minister of Education: Did she write a new preference factor for Partnership School applicants on the 14 November education report "Confirming Round Two of Applications to Operate Partnership Schools"; if so, on what advice? CHRIS AUCHINVOLE to the Minister of Conservation: What reports has he received on the extent of the damage to West Coast forests from Cyclone Ita and what estimates are there of the area affected and the volume of wood felled? PHIL TWYFORD to the Minister of Housing: How many homes out of the 5,000 earthquake damaged Housing New Zealand homes have completed repairs as part of its Repair 5000 programme? TIM MACINDOE to the Minister of Education: What recent announcements has she made to celebrate and recognise highly effective and innovative practice happening across the education system? Hon PHIL GOFF to the Minister of Defence: Has there been a reduction in the capacity of the Army in the last three years to sustain an overseas deployment; if so, why? MELISSA LEE to the Minister for Social Development and Employment: What support is the Ministry of Social Development providing to people in Christchurch still dealing with the impact of the earthquakes? GARETH HUGHES to the Minister of Conservation: Does he agree with the statement given on behalf of the Minister of Energy and Resources that "there has not been a single observation of a Māui's dolphin in the block offer area"? CAROL BEAUMONT to the Minister of Justice: Given the magnitude of the problem of family violence, is it acceptable to her that none of the Family Violence Death Review Committee's recommendations from their last annual report have been completed, and no action has been taken on a number of recommendations around funding family violence training for professionals, and addressing the need for better multi-agency practice addressing family violence? KANWALJIT SINGH BAKSHI to the Minister of Statistics: What is the Government doing to modernise the next census?