Decision making on the reinstatement of the Christchurch sewer system after the Canterbury (New Zealand) earthquake sequence in 2010–2011 relied strongly on damage data, in particular closed circuit television (CCTV). This paper documents that process and considers how data can influence decision making. Data are analyzed on 33,000 pipes and 13,000 repairs and renewals. The primary findings are that (1) there should be a threshold of damage per pipe set to make efficient use of CCTV; (2) for those who are estimating potential damage, care must be taken in direct use of repair data without an understanding of the actual damage modes; and (3) a strong correlation was found between the ratio of faults to repairs per pipe and the estimated peak ground velocity. Taken together, the results provide evidence of the extra benefit that damage data can provide over repair data for wastewater networks and may help guide others in the development of appropriate strategies for data collection and wastewater pipe decisions after disasters.
This paper presents on-going challenges in the present paradigm shift of earthquakeinduced ground motion prediction from empirical to physics-based simulation methods. The 2010-2011 Canterbury and 2016 Kaikoura earthquakes are used to illustrate the predictive potential of the different methods. On-going efforts on simulation validation and theoretical developments are then presented, as well as the demands associated with the need for explicit consideration of modelling uncertainties. Finally, discussion is also given to the tools and databases needed for the efficient utilization of simulated ground motions both in specific engineering projects as well as for near-real-time impact assessment.
On 14 November 2016 a magnitude Mw 7.8 earthquake struck the upper South Island of New Zealand with effects also being observed in the capital city, Wellington. The affected area has low population density but is the largest wine production region in New Zealand and also hosts the main national highway and railway routes connecting the country’s three largest cities of Auckland, Wellington and Christchurch, with Marlborough Port in Picton providing connection between the South and North Islands. These transport facilities sustained substantial earthquake related damage, causing major disruptions. Thousands of landslides and multiple new faults were counted in the area. The winery facilities and a large number of commercial buildings and building components (including brick masonry veneers, historic masonry construction, and chimneys), sustained damage due to the strong vertical and horizontal acceleration. Presented herein are field observations undertaken the day immediately after the earthquake, with the aim to document earthquake damage and assess access to the affected area.
Work has finally begun dismantling Lancaster Park in Christchurch, six years after it was damaged beyond repair in the February earthquake. It comes at the same time the city's leaders debate what a new stadium could look like and who will pay.
A review of the week's news including... a major health alert in Pukekohe after two and a half thousand children were exposed to contaminated water, the Prime Minister kicks off election year with a pledge to spend more than half a billion dollar on crime-fighting, is New Zealand citizenship for sale? several former employees of the Canterbury Earthquake Recovery Authority are being investigated, international Indian students to be deported, more alleged mistreatment of animals revealed at another New Zealand rodeo event, a women's sexual abuse group says the judge got it wrong when he ruled in favour of a man who posted photos of his half naked wife on Facebook, people increasingly find ways to get around petrol prices that they think are too high, should an unofficial white chair memorial to the victims of the 2011 Christchurch quake be moved? the scientific test results which reveal exactly how Havelock North's drinking water supply was contaminated, the Maori Party backs calls from a group of local councils campaigning to keep their regions free from genetic modification, a film producer is caught out by a recent law change banning anyone travelling from America from entering New Zealand with medicinal cannabis and an update on a seriously unwell albatross chick.
Six years after Christchurch's destructive 6.3 magnitude earthquake the rebuild programme is now being used to provide training for workers from the Pacific. Twenty-four workers from Fiji, Tonga and Samoa are helping rebuild the city while learning new skills and earning money they can send home.
Surface rupture and slip from the Mw 7.8 2016 Kaikōura Earthquake have been mapped in the region between the Leader and Charwell rivers using field mapping and LiDAR data. The eastern Humps, north Leader and Conway-Charwell faults ruptured the ground surface in the study area. The E-NE striking ‘The Humps’ Fault runs along the base of the Mt Stewart range front, appears to dip steeply NW and intersects the NNW-NNE Leader Fault which itself terminates northwards at the NE striking Conway-Charwell Fault. The eastern Humps Fault is up to the NW and accommodates oblique slip with reverse and right lateral displacement. Net slip on ‘The Humps’ Fault is ≤4 m and produced ≤4 m uplift of the Mt Stewart range during the earthquake. The Leader Fault strikes NNW-NNE with dips ranging from ~10° west to 80° east and accommodated ≤4 m net slip comprising left-lateral and up-to-the-west vertical displacement. Like the Humps west of the study area, surface-rupture of the Leader Fault occurred on multiple strands. The complexity of rupture on the Leader Fault is in part due to the occurrence of bedding-parallel slip within the Cretaceous-Cenozoic sequence. Although the Mt Stewart range front is bounded by ‘The Humps’ Fault, in the study area neither this fault nor the Leader Fault were known to have been active before the earthquake. Fieldwork and trenching investigations are ongoing to characterise the geometry, kinematics and paleoseismic history of the mapped active faults.
Queenstown and Christchurch are twin poles of New Zealand's landscape of risk. As the country's 'adventure capital', Queenstown is a spectacular landscape in which risk is a commodity. Christchurch's landscape is also risky, ruptured by earthquakes, tentatively rebuilding. As a far-flung group of tiny islands in a vast ocean, New Zealand is the poster-child of the sublime.
Queenstown and Christchurch tell two different, yet complementary, stories about the sublime.
Christchurch and Queenstown are vehicles for exploring the 21st-century sublime, for reflecting on its expansive influence on shaping cultural landscapes. Christchurch and Queenstown stretch and challenge the sublime's influence on the designed landscape. Circling the paradoxes of risk and safety, suffering and pleasure, the sublime feeds an infinite appetite for fear as entertainment, and at the same time calls for an empathetic caring for a broken landscape and its residents.
Anna Leask has worked for the New Zealand Herald since 2008 and is currently a senior reporter, covering crime and justice for the daily newspaper as well as for the Weekend Herald and Herald on Sunday. Notably she's reported on the re-investigation of Arthur Allan Thomas, 43 years after the double murders for which he served nine years in prison before being pardoned, and the Christchurch 'House of Horrors' murderer Jason Somerville, who killed his wife and buried her under his East Christchurch house a year after doing the same to his neighbour Tisha Lowery. Leask covered the Pike River Mine disaster in 2010, the 2011 Canterbury earthquakes, Fiji's Cyclone Winston in early 2016 and travelled to Gallipoli in 2015 to cover the centenary of the Anzac landings. She won a Canon Media Award for crime and justice reporting in 2014. Her first book, Behind Bars: Real-life stories from inside New Zealand prisons has just been released.
Six years after Christchurch's destructive 6.3 magnitude earthquake the rebuild programme is now being used to provide training for workers from the region.
Over the summer on The Weekend we've been talking to recyclers and upcyclers, people who like the Wombles, are making good use of the things that they find, things that the everyday folks leave behind.
This is true of Christchurch builder, artist and furniture maker, Tim McGurk. He says he works with whatever junk and materials he can find.
Tim crafted several items from the materials salvaged from an earthquake damaged Christchurch house, as part of the Whole House Reuse project. He also made the news when he made a Star Wars inspired X-wing sculpture/lamp out of salvaged rimu.
A 150 metre memorial wall will be unveiled on the banks of the Avon today six years after the devastating earthquake hit Christchurch. Bruce McEachen says it is an inspiring place and the wall will perform every function the families need it to.
A 150 metre memorial wall will be unveiled on the banks of the Avon today six years after the devastating earthquake hit Christchurch. Bruce McEachen says it is an inspiring place and the wall will perform every function the families need it to.
The sounds of Bruce Springsteen will ring out around Christchurch tonight, ahead of the sixth anniversary of the deadly February 2011 earthquake in the region. Long time fans join us to discuss what they're expecting from tonight's gig.
Christchurch remembers six years on from the deadly earthquake.
Christchurch remembers six years on from the deadly earthquake. What panelists Ali Jones and James Nokise have been up to. John Gray from the Home Owners and Buyers Association believes the mayor is getting advice from self interest groups looking to shift the focus from their own shortcomings. Police in Hawkes Bay discovered 300 stolen garden gnomes with a growing trend to sell them on to fund meth purchases. Pie eating goalie in the UK has resigned for taking part in the bet that he would eat a pie during his team's match.
Conservationist, forager, angler and former fisheries observer Peter Langlands talks about the many threats to our lakes and waterways. Lynn Freeman asked the Cantabrian how the earthquakes affected Christchurch birds, as there was talk that they left the city.
The Christchurch City Council is investing $156 million in 13 cycleways across the city, in a post-earthquake overhaul of the city's transport network.
There's been widespread dismay at the decision not to prosecute anyone for the deaths of 115 people in the CTV building collapse during the 2011 Canterbury earthquake. Police say it was a tough decision - they wanted to hold someone to account but there simply wasn't the evidence to warrant a prosecution.
Justice Minister Andrew Little said on Thursday that "everybody involved in this has walked away scot-free. And that's not right." Nigel Hampton QC, who was counsel for the families at the Royal Commission in to the Canterbury earthquakes, joins us to discuss the outcome.
'Is this the Brighter Future?': Rachel Graham looks at how the Government's decisions have impacted the lives of people in Christchurch.
John Key farewells Parliament by remembering the funny and the proud moments of being Prime Minister, but also the heartbreak of the Christchurch earthquakes, the Pike River disaster and the deaths of troops in Afghanistan.
The Christchurch City Council has confirmed the demolition of the earthquake-damaged Lancaster Park sports stadium will begin this year. Lancaster Park Cricket club was one of the sports ground's first tenants when it was established in 1881. An act of parliament means the ground has to be used for sport and recreation. "We're certainly looking foward to being able to get back on the ground and for it to be turned back into green space," Ric Horsfall from the cricket club says.
After the magnitude 7.1 earthquake struck Canterbury on 4 September 2010, most media reports claimed that no lives had been lost. But In fact, this first earthquake killed at least 3000 chickens, eight cows, one dog, a lemur and 150 aquarium fish. University of Canterbury associate professor Annie Potts, along with co-author Donelle Gadenne, wrote Animals in Emergencies: Learning from the Christchurch Earthquakes, revealing what happened to the animals during and after the series of quakes. Annie Potts will give a public lecture, 'Animals and natural disasters: Learning from recent earthquakes', on Thursday 16 March, 7pm at UC Ilam campus, Christchurch. Register to attend free at: www.canterbury.ac.nz/ucconnect
As a three-year-old in China, Quin Tang's mother was shot in front of her and her father taken away. After moving to Christchurch 25 years ago, she walked out of an abusive marriage with two young children, no money and speaking little English. Tang then attended Canterbury University, teaching herself to read English from the text books there. She attained four degrees with an A+ average, and began working as a psychiatrist and counsellor. Quin was working in the CTV building when it collapsed. She took two weeks off work to recover, then came back and began counselling other victims of the Christchurch earthquakes. She has written and self-published the story of her life, called Half a Walnut Tree.
A report into why Statistics House failed in the November earthquake has revealed a design flaw in the building, and the Government says all buildings nationwide like Statistics House will now need checking. Christchurch man Jeremy Teaguea wants to overturn the law making wearing a bike helment compulsory. Former cyclone Debbie will make her presence felt here over the next week. Weatherman Richard Green tells us what to expect. Going up for Labour and a downward turn in the polls for National. Is it really because of Jacinda Ardern and Bill English?
After being rocked awake by the massive 7.8 earthquake that hit North Canterbury last November, RNZ reporter Phil Pennington was among the first reporters to be sent to Kaikoura to assess the damage.
The statue of the Antarctic explorer, Robert Falcon Scott, that toppled from its plinth and snapped at its ankles in the Christchurch earthquake is being repaired. all going well it will be reinstated later this year, just in time for the Antarctic summer.
Cathederal Square has remained largely untouched by developers since the 2011 earthquake. That is about to change, with work beginning on a series of hotels.
The increase began after Christchurch's 2011 earthquakes, but the District Health Board is expecting to face even more challenges following effects of the Port Hills fires and last year's earthquake in Kaikoura.
