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Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Landmark Kaiapoi store, Blackwell's department store, is pulled down after the earthquake - the store was deemed too dangerous and the delicate demolition started immediately".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Marsha Witehira had the bricks from the wall of her house fall onto her bed where she was sleeping. Both sides of her house have collapsed".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Landmark Kaiapoi store, Blackwell's department store, is pulled down after the earthquake - the store was deemed too dangerous and the delicate demolition started immediately".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Aftermath of the earthquake in Christchurch where the cleanup has begun. Shoreham Courts, City Council owned flats on Admirals Way in New Brighton are an island of isolation with no water or sewerage although all around them have. Lorraine Burrows, centre left, her son, Jamie, 8, left, Charllisa Sutton-Taylor and Oceana Rawiri at right".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Members of the Blackwells family watch as their Kaiapoi landmark store is pulled down after the earthquake - the store was deemed too dangerous and demolition started immediately".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Landmark Kaiapoi store, Blackwell's department store, is pulled down after the earthquake - the store was deemed too dangerous and the delicate demolition started immediately".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Marsha Witehira had the bricks from the wall of her house fall onto her bed where she was sleeping. Both sides of her house have collapsed".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Anna Lipsham begins the clean up at Ashton, Wheelans and Hegan in Kaiapoi. Lipsham empties dirt from the building into a large fissure in the road".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Anna Lipsham begins the clean up at Ashton, Wheelans and Hegan in Kaiapoi. Lipsham empties dirt from the building into a large fissure in the road".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Warren Lipsham begins the clean up at Ashton, Wheelans and Hegan in Kaiapoi. Lipsham empties dirt from the building into a large fissure in the road".

Research papers, Lincoln University

This research provides an investigation into the impact on the North Island freight infrastructure, in the event of a disruption of the Ports of Auckland (POAL). This research is important to New Zealand, especially having experienced the Canterbury earthquake disaster in 2010/2011 and the current 2012 industrial action plaguing the POAL. New Zealand is a net exporter of a combination of manufactured high value goods, commodity products and raw materials. New Zealand’s main challenge lies in the fact of its geographical distances to major markets. Currently New Zealand handles approximately 2 million containers per annum, with a minimum of ~40% of those containers being shipped through POAL. It needs to be highlighted that POAL is classified as an import port in comparison to Port of Tauranga (POT) that has traditionally had an export focus. This last fact is of great importance, as in a case of a disruption of the POAL, any import consigned to the Auckland and northern region will need to be redirected through POT in a quick and efficient way to reach Auckland and the northern regions. This may mean a major impact on existing infrastructure and supply chain systems that are currently in place. This study is critical as an element of risk management, looking at how to mitigate the risk to the greater Auckland region. With the new Super City taking hold, the POAL is a fundamental link in the supply chain to the largest metropolitan area within New Zealand.

Images, Alexander Turnbull Library

Shows Property Investor Bob Jones with a shotgun on top of Christchurch cathedral on an island surrounded by ducks. The lake is labelled 'Lake Bob Parker'. Context: Bob Jones suggested the Christchurch CBD be replaced with a lake (The Listener 12-18 May 2012). Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Clinton Gooch was awake when the quake hit and was running downstairs to get outside when the wall of his flat collapsed causing the windows to shatter in the shop below".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Marsha Witehira had the bricks from the wall of her house fall onto her bed where she was sleeping. Both sides of her house have collapsed. Witehira (L) is comforted by a friend".

Images, UC QuakeStudies

A digitally manipulated image of a high-reach excavator demolishing a building. The photographer comments, "After the earthquakes in Christchurch, New Zealand the demolition of most of the City Centre began. After two years the government thought that the progress was far too slow, so began the start of the automatic demolition. Luckily when the solar powered demolition machines started to cause indiscriminate death and destruction they were isolated to the South Island and unable to cross the seas".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. A massive 7.4 magnitude earthquake has hit Christchurch and the wider South Island, causing widespread damage, two serious injuries and power cuts to most of the city. Marsha Witehira had the bricks from the wall of her house fall onto her bed where she was sleeping. Both sides of her house have collapsed. Witehira (R) is comforted by a friend".

Research papers, University of Canterbury Library

Elevated levels of trace elements in the environment are of great concern because of their persistence, and their high potential to harm living organisms. The exposure of aquatic biota to trace elements can lead to bioaccumulation, and toxicity can result. Furthermore, the transfer of these elements through food chains can result in exposure to human consumers. Sea-fill or coastal fill sites are among the major anthropogenic sources of trace elements to the surrounding marine environment. For example, in the Maldives, Thilafushi Island is a sea-fill site consisting of assorted municipal solid waste, with multiple potential sources of trace elements. However, there is limited data on environmental trace element levels in the Maldives, and although seafood is harvested from close to this site, there is no existing data regarding trace element levels in Maldivian diets. Following the Christchurch earthquakes of 2011,

Audio, Radio New Zealand

Highlights from Radio New Zealand National's programmes for the week ending Friday 7 December. This week ...... not everyone was keen on The Hobbit world premiere party, measuring and assessing innovation, expecting excellence of all students in education no matter what race they are, a world wide gathering of "Dobson's" tour ancestral South Island locations, The Christchurch Fiasco - what is going on with insurance companies post earthquakes, getting touchy feely with art and reggae star Jimmy Cliff on his spiritual life and learnings

Images, eqnz.chch.2010

20130704_7677_EOS M-22 Another one on the way out (Day 185/365) A suburban "red zone" house from Velsheda Street (#11), Pacific Park, is finally cut in half and loaded ready for transport out and a future life somewhere else in the South Island, whether it be close by or way down south in Gore or Clinton (where a few have gone already). The hou...

Images, eqnz.chch.2010

Rolleston/Burnham, South Island, NZ It's been a busy few weeks! Was away on geology fieldtrips all the previous two weeks, then on Saturday morning 4th September 2010 at 4.35 am we got woken in Westport to a reasonable but very long earthquake. My husband was back in Christchurch at the time and texted me saying "are you ok?". I replied, "yes!"...

Research papers, The University of Auckland Library

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.

Audio, Radio New Zealand

A Waikato iwi authority says it's struggling to supply the Government with a list of sites of cultural significance; The Government says it is committed to boosting Maori literacy achievement from early childhood and primary school level so that the education system isn't having to catch up all the time; A Ngai Tahu owned South Island whale watching operation say it's excited to be named a finalist in an international tourism award; A multicultural marae has been recognised for its community work, including caring for refugees during the Christchurch earthquake.

Audio, Radio New Zealand

A Waikato iwi authority says it's struggling to supply the Government with a list of sites of cultural significance; The Government says it is committed to boosting Maori literacy achievement from early childhood and primary school level so that the education system isn't having to catch up all the time; A multicultural marae has been recognised for its community work, including caring for refugees during the Christchurch earthquake; A Ngai Tahu owned South Island whale watching operation say it's excited to be named a finalist in an international tourism award.

Audio, Radio New Zealand

Ngai Tahu's property portfolio has taken a direct hit from the Christchurch earthquake - losing value and suffering damage; A Northland iwi says a decade long battle to protect a large ancient burial cave on Karikari peninsular north east of Kaitaia, has taken its toll on several hapu; A lecturer specialising in Maori criminal law is question the timing of a Maori Party co-leader's attack on the justice system; The Housing Minister, Phil Heatley, says a project to build three three bedroomed houses and two kaumatua flats on the Chatham Islands, will go some way to easing a housing issue for Maori residents.

Audio, Radio New Zealand

A Northland iwi chair says a decade long battle against American owned Carrington Farms and the Far North District Council, has been financially and mentally taxing; A lecturer specialising in Maori criminal law is question the timing of a Maori Party co-leader's attack on the justice system; Ngai Tahu's property portfolio has taken a direct hit from the Christchurch earthquake - losing value and suffering damage; The Housing Minister says a project to build three three bedroomed houses and two kaumatua flats on the Chatham Islands, is a great example of iwi wanting to meet the needs of its people.

Audio, Radio New Zealand

The Prime Minister Chris Hipkins today announced an additional three hundred and one million dollar boost for the rebuild of earthquake damaged Christchurch schools, and said the programme in Christchurch may be a template for repairing flood damaged schools in the North Island. Some schools are still waiting to be repaired more than a decade after the devastating quakes. On his first visit to Christchurch since becoming Prime Minister, Chris Hipkins visited one of the schools still in the midst of its rebuild process, and to celebrate the progress being made. Our reporter Rachel Graham and videographer Nate McKinnon went along. 

Research papers, University of Canterbury Library

The Mw 7.8 Kaikōura earthquake ruptured ~200 km at the ground surface across the New Zealand plate boundary zone in the northern South Island. This study was conducted in an area of ~600 km2 in the epicentral region where the faults comprise two main non-coplanar sets that strike E-NE and NNE-NW with mainly steep dips (60о-80°). Analysis of the surface rupture using field and LiDAR data provides new information on the dimensions, geometries and kinematics of these faults which was not previously available from pre-earthquake active faults or bedrock structure. The more northerly striking fault set are sub-parallel to basement bedding and accommodated predominantly left-lateral reverse slip with net slips of ~1 and ~5 m for the Stone Jug and Leader faults, respectively. The E-NE striking Conway-Charwell and The Humps faults accrued right-lateral to oblique reverse with net slips of ~2 and ~3 m, respectively. The faults form a hard-linked system dominated by kinematics consistent with the ~260° trend of the relative plate motion vector and the transpressional structures recorded across the plate boundary in the NE South Island. Interaction and intersection of the main fault sets facilitated propagation of the earthquake and transfer of slip northwards across the plate boundary zone.

Research papers, University of Canterbury Library

Documenting earthquake-induced ground deformation is significant to assess the characteristics of past and contemporary earthquakes and provide insight into seismic hazard. This study uses airborne light detection and ranging (LiDAR) and conducts multi-disciplinary field techniques to document the surface rupture morphology and evaluate the paleoseismicity and seismic hazard parameters of the Hurunui segment of the Hope Fault in the northern South Island of New Zealand. It also documents and evaluates seismically induced features and ground motion characteristics of the 2010 Darfield and 2011 Christchurch earthquakes in the Port Hills, south of Christchurch. These two studies are linked in that they investigate the near-field coseismic features of large (Mw ~7.1) earthquakes in New Zealand and produce data for evaluating seismic hazards of future earthquakes. In the northern South Island of New Zealand, the Australian-Pacific plate boundary is characterised by strike-slip deformation across the Marlborough Fault System (MFS). The ENE-striking Hope Fault (length: ~230 km) is the youngest and southernmost fault in the MFS, and the second fastest slipping fault in New Zealand. The Hope Fault is a major source of seismic hazard in New Zealand and has ruptured (in-part) historically in the Mw 7.1 1888 Amuri earthquake. In the west, the Hurunui segment of the Hope Fault is covered by beech forest. Hence, its seismic hazard parameters and paleoearthquake chronology were poorly constrained and it was unknown whether the 1888 earthquake ruptured this segment or not and if so, to what extent. Utilising LiDAR and field data, a 29 km-long section of the Hurunui segment of the Hope Fault is mapped. LiDAR-mapping clearly reveals the principal slip zone (PSZ) of the fault and a suite of previously unrecognised structures that form the fault deformation zone (FDZ). FDZ width measurements from 415 locations reveal a spatially-variable, active FDZ up to ~500 m wide with an average width of 200 m. Kinematic analysis of the fault structures shows that the Hurunui segment strikes between 070° and 075° and is optimally oriented for dextral strike-slip within the regional stress field. This implies that the wide FDZ observed is unlikely to result from large-scale fault mis-orientation with respect to regional stresses. The analysis of FDZ width indicates that it increases with increased hanging wall topography and increased topographic relief suggesting that along-strike topographic perturbations to fault geometry and stress states increase fault zone complexity and width. FDZ width also increases where the tips of adjacent PSZ strands locally vary in strike, and where the thickness of alluvial deposits overlying bedrock increases. LiDAR- and photogrammetrically-derived topographic mapping indicates that the boundary between the Hurunui and Hope River segments is characterised by a ~850-m-wide right stepover and a 9º-14° fault bend. Paleoseismic trenching at Hope Shelter site reveals that 6 earthquakes occurred at A.D. 1888, 1740-1840, 1479-1623, 819-1092, 439-551, and 373- 419. These rupture events have a mean recurrence interval of ~298 ± 88 yr and inter-event times ranging from 98 to 595 yrs. The variation in the inter-event times is explained by (1) coalescing rupture overlap from the adjacent Hope River segment on to the Hurunui segment at the study site, (2) temporal clustering of large earthquakes on the Hurunui segment, and/or (3) ‘missing’ rupture events. It appears that the first two options are more plausible to explain the earthquake chronologies and rupture behaviour on the Hurunui segment, given the detailed nature of the geologic and chronologic investigations. This study provides first evidence for coseismic multi-segment ruptures on the Hope Fault by identifying a rupture length of 44-70 km for the 1888 earthquake, which was not confined to the Hope River segment (primary source for the 1888 earthquake). LiDAR data is also used to identify and measure dextral displacements and scarp heights from the PSZ and structures within the FDZ along the Hurunui segment. Reconstruction of large dextrally-offset geomorphic features shows that the vertical component of slip accounts for only ~1% of the horizontal displacements and confirms that the fault is predominantly strike-slip. A strong correlation exists between the dextral displacements and elevations of geomorphic features suggesting the possibility of age correlation between the geomorphic features. A mean single event displacement (SED) of 3.6 ± 0.7 m is determined from interpretation of sets of dextral displacements of ≤ 25 m. Using the available surface age data and the cumulative dextral displacements from Matagouri Flat, McKenzie Fan, Macs Knob and Hope River sites, and the mean SED, a mean slip rate of 12.2 ± 2.4 mm/yr, and a mean recurrence interval of ~320 ± 120 yr, and a potential earthquake magnitude of Mw 7.2 are determined for the Hurunui segment. This study suggests that the fault slip rate has been constant over the last ~15000 yr. Strong ground motions from the 2010 Darfield (Canterbury) earthquake displaced boulders and caused ground damage on some ridge crests in the Port Hills. However, the 2011 Christchurch earthquake neither displaced boulders nor caused ground damage at the same ridge crests. Documentation of locations (~400 m a.s.l.), lateral displacements (8-970 cm), displacement direction (250° ± 20°) of displaced boulders, in addition to their hosting socket geometries (< 1 cm to 50 cm depth), the orientation of the ridges (000°-015°) indicate that boulders have been displaced in the direction of instrumentally recorded transient peak ground horizontal displacements nearby and that the seismic waves have been amplified at the study sites. The co-existence of displaced and non-displaced boulders at proximal sites suggests small-scale ground motion variability and/or varying boulder-ground dynamic interactions relating to shallow phenomena such as variability in soil depth, bedrock fracture density and/or microtopography on the bedrock-soil interface. Shorter shaking duration of the 2011 Christchurch event, differing frequency contents and different source characteristics were all factors that may have contributed to generating circumstances less favourable to boulder displacement in this earthquake. Investigating seismically induced features, fault behaviour, site effects on the rupture behaviour, and site response to the seismic waves provides insights into fault rupture hazards.