Five years on, what insight can we glean from the fallout? The plates themselves are estimated to be around 2900 km thick. The most violent quake, on 22 February 2011, killed 181 people. We intend to provide a platform for discussion and scientific exchange. This was the second major earthquake to hit the city; the previous quake occurred on 4 September 2010 and registered at a 7.1 magnitude. The Christchurch, New Zealand earthquake on 22 February 2011 resulted in a severely modified soil environment for vast areas of the city. About $2 billion worth of damage has been done, much of this damage will impede economic activity. The Christchurch earthquake of 2011 had widespread mental health effects on the population. The Commons, a Gap Filler project providing public space and activities in the central city. A glossary is included. The Christchurch earthquake of February 2011 . And 59% believed the recovery to be a convenient excuse to push the government’s own agendas. In early 2010, the government had removed the democratically elected officials of the regional council Environment Canterbury. Write an article and join a growing community of more than 119,900 academics and researchers from 3,852 institutions. Volume 14, Part 1, Pages 1-104 (December 2015) Download full issue. Street art protests the powers of the minister for earthquake recovery. But the magnitude 9, mega thrust Tohuku earthquake that struck Japan in 2011 was 80 times stronger again and the equivalent of … To get some sense of scale, the Christchurch 2011 quake at a 6.3 involved a release of energy equivalent to four Hiroshima atomic bombs. People needing elective surgery are unable to get it. Impacts on the natural environment The Canterbury earthquakes caused a significant change to the natural environment, including liquefaction, lateral spread near waterways, land level changes, and numerous rockfalls and landslides. As the result, there were 185 people killed, 7500 injured and 60,000 people displaced. Cultural Effects Christchurch Earthquake 12.51pm 22 February 2011 Social Impact. People are in shock and are shaken after massive 7.1 magnitude earthquake hit Christchurch, and the city is still being rocked by aftershocks. Two people have seriously injured - one by a falling chimney and the other by shattered glass, and one man died of a heart attack, but this doesn't count as a fatality. Air and water quality were also impacted, with water-based recreational activities halted until November 2011. This, in turn, has contributed to feelings of disenfranchisement and disillusion. By Staff Writer Last Updated Mar 27, 2020 6:15:01 AM ET. The latest events are most likely aftershocks of the M6.3 earthquake that devastated Christchurch and left more than 180 people dead at 22 February, 2011 and of the M7.0 event in September last year. Interested in joining as an author? One month on from the magnitude 6.3 earthquake that hit Christchurch on February 23, the physical and psycholigical effects are still being felt. Figure 1 below shows the daily concentrations of PM 10 in Christchurch each year and the number of days the guideline was breached in the Christchurch airshed. The current study examines the impact that the Canterbury Earthquakes have had on the temporal and spatial patterning of crime in Christchurch. The M w 6.0 (M L 6.4) Christchurch earthquake on 13 June 2011 was preceded 1 h 20 min earlier by a M L 5.6 earthquake; these events and related aftershocks were located primarily in southeast Christchurch along a NNW-trending alignment, although some large aftershocks (e.g., 21 June 2011 M L 5.4; Table 1) continued to occur in the gap between the … The plates themselves are estimated to be around 2900 km thick. Initiatives such as Greening the Rubble, Gap Filler and Agropolis have demonstrated the possibilities for citizen-led recovery. 255-269. Soil Liquefaction. The 22 February 2011 earthquake (Christchurch 1 . The combined effects of the earthquake and tsunami (known as the Tohoku event) devastated the area of northeast Japan, resulting in widespread infrastructure destruction, loss of life, and environmental contamination. On 22 February 2011, Canterbury and its largest city Christchurch experienced its second major earthquake within six months. … Approximately 25% of all buildings in the Christchurch CBD have been “red tagged” or deemed unsafe to enter. Shelley McMurtrie Alex James Mark Taylor Zoe Dewson Mike Bourke Alastair Suren Neale Hudson Kit Rutherford The 22 February 2011 earthquake affected Christchurch’s waterways following liquefaction sand/silt, bank slumping, uplift of streambeds, and input of raw wastewater. Photograph: David Wethey/EPA. Christchurch's Catholic cathedral damaged after the earthquake, in 2011. To carry out more democratic and community-focused recovery, authorities need to actively appreciate and collaborate with residents, organisations and communities. Background . These earthquakes have caused deaths and considerable destruction in Christchurch and the surrounding area. Earthquake debris from the Lyttelton Harbour reclamation has been washing up on nearby beaches, leading residents to question its environmental impact. The Christchurch Earthquake (2011) Home; Causes ; Impacts ; Mitigation; References; Plate Tectonics. Then, more than five months after the mainshock, on 22 February 2011, a M6.3 aftershock occurred 5 km south-east of Christchurch at a depth of only 5 km. How Do Earthquakes Affect the Environment? Christchurch is finally starting to enter a phase of sustained construction. New Zealand Journal of Geology and Geophysics: Vol. The earthquake struck the city of Christchurch in New Zealand on 22 February 2011. A glossary is included. The 22 February 2011 earthquake (Christchurch 1 . It was the middle of a working day and many people were at school or work, having lunch or running errands. Initial effects: The economic heart of Christchurch is shut down. Of particular concern are those that challenge the democratic right to local participation and representation. 3 Ministry for the Environment. tē ] These are highly regarded for their community-driven approach. Select all / Deselect all. The EM strategy, model and practice in New Zealand were also discussed. The community organisations that sprang up from the rubble have provided hope, social services and public spaces for those living through their own personal recovery alongside that of the city. Existing alongside these higher-level politics during the disaster recovery period is a thriving network of community and grassroots groups. Martin Luff/CC-BY-SA 2.0. Research following the Christchurch earthquakes has shown that increasing exposure to the damage and trauma of a natural disaster is correlated with an increase in depression, anxiety, and … The 2011 Christchurch earthquake was a powerful natural event that severely damaged the second largest city in New Zealand. This article is more than 9 years old. Identifying the economic impact is difficult. Lateral spreading and its impacts in urban areas in the 2010–2011 Christchurch earthquakes. Impacts of Christchurch Earthquake In total, the 'rehabilitation' costs $15.1 billion dollars worth of damage, Many businesses needed to fire employees due to the heavy re-building fee. The Kaikoura earthquake at 7.8 was 180 times more powerful and the equivalent of 800 Hiroshima bombs. Though the government supplied money for those who were fired, businesses that needed re-building and injured employees. ... Earthquake environmental effects (EEE), especially liquefaction, were intense and widespread. Their successes had brought joy to their lives and restored hope for the future of the city. Perhaps the longest-lasting impact of the Tohoku event will result from the damage to the nuclear power plants along the coast and the subsequent release of … Similarly, it is asked, what was the impact of the Christchurch earthquake 2011? Thousands more were made homeless, and an area more than four times the size of London's Hyde Park was deemed uninhabitable. 55, The 2010–2011 Canterbury earthquake sequence, pp. One month on from the magnitude 6.3 earthquake that hit Christchurch on February 23, the physical and psycholigical effects are still being felt. All together there are 12 large plates and 8 smaller plates; these plates move around in different directions at a pace of 2 cm once a year. Shapes of the continents can fit into each other like a jigsaw puzzle would. If nothing else, she says, the psycho-social impacts of the Canterbury earthquakes are being incredibly well studied. The Canterbury earthquakes of 2010-11 required a momentous recovery undertaking by the City of Christchurch in New Zealand. A study in Christchurch found that more socially deprived neighbourhoods and areas with a greater proportion of low income households had significantly higher levels of traffic-related pollution than high income areas.6 These areas have greater proportions of Maori, Pacific peoples and other migrant groups. It has been five years since a major earthquake hit the New Zealand city of Christchurch, but thousands of residents are still waiting for their homes to be repaired or rebuilt, writes Michael Ertl. Copyright © 2010–2021, The Conversation US, Inc. Apart from physical injuries, international literature suggests that psychosocial recovery after a disaster can take five to ten years. Most Cantabrians were away from their homes when the 6.3-magnitude earthquake struck at 12.51 p.m. on 22 February 2011. It is hard to disentangle the effects of the earthquakes from other The question then is: why can’t Christchurch lead its own recovery? Liquefaction is a phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading. In late 2010 and in 2011, Canterbury endured a series of major earthquakes. The Appendices to this report provide visual explanations of land damage types and suburb specific information. All together there are 12 large plates and 8 smaller plates; these plates move around in different directions at a pace of 2 cm once a year. Environmental impacts: Economic impacts: Social impacts: Powered by Create your own unique website with customizable templates. The Canterbury earthquakes of 2010-11 required a momentous recovery undertaking by the City of Christchurch in New Zealand. Overall, the Canterbury economy has been reasonably resilient to the impact of the earthquakes, and the spillover to other regions in New Zealand has been limited. While this upset many in the community, research conducted just before the earthquakes found existing legislation may not have been sufficient to manage some aspects of recovery from such a large disaster. They say they felt dismissed and excluded – even deliberately left out of consultation and engagement. Apart from physical injuries, international literature suggests that psychosocial recovery after a disaster can take five to ten years. These may have adversely affected aquatic ecosystems in the Avon/O To understand these perspectives and why people are dissatisfied, it is necessary to explore what the government did. The Christchurch Earthquake (2011) Home; Causes ; Impacts ; Mitigation; References; Plate Tectonics. The 2010-2011 Canterbury Earthquake Sequence: Personal, Social, Governance and Environmental Consequences . The primary provision for community engagement in the act is a 20-person committee appointed by the minister. In February most of the city was without power. The keenly awaited Margaret Mahy children’s playground has opened. The Christchurch earthquake of 2011 had widespread mental health effects on the population. The September earthquake happened at night, when most people were at home asleep. The stories I have collected suggest that establishing such a powerful government department created a hierarchy which has emphasised a top-down, command-and-control approach. The lessons from Christchurch show the importance of social and political dynamics in shaping the experience of cities and their citizens in long-term disaster recovery. LIQUEFACTION IMPACTS IN RESIDENTIAL AREAS IN THE 2010-2011 CHRISTCHURCH EARTHQUAKES ... 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). 2011 earthquake were reviewed including: ... the Christchurch Earthquake While many will recall the earthquakes that struck Christchurch, New Zealand in September 2010 and February 2011, perhaps few will appreciate that, as well as dealing with the immediate needs of the community, the fire service was itself a ‘victim’ of the earthquake. A strong feeling exists in the city that the community can undertake this task. Liquefaction can cause significant damage to land, buildings and infrastructure, through sediment being ejected to the ground surface, and subsequent ground settlement, ground cracking and … It resulted in massive loss of life, environmental devastation and infrastructural damage. Note: The glossary is at the end of the main body of the report. Edited by Douglas Paton, David Johnston. ... Earthquake environmental effects (EEE), especially liquefaction, were intense and widespread. the land change effects of the earthquakes. Media report on environmental effects like liquefaction, landslides and rockfalls. This paper focuses on the performance of potable water system of Christchurch during the 2010-2011 earthquakes and particularly examines the impacts of liquefaction on this pipe network during My current research reveals this dissatisfaction is particularly with the actions of central government. Two large 1980s buildings, including the six-storey Canterbury Television Building, collapsed in the earthquake. This move was met with concern. Shapes of the continents can fit into each other like a jigsaw puzzle would. These were the seeds of what Smith … In some cases, it took over projects managed by local authorities. Citation Cubrinovski, M., Henderson, D., Bradley, B.A. Over half of the deaths occurred in the 6-storey Canterbury Television (CTV) Building, which collapsed and caught fire … Most households had power within two to three days, but some regions took much longer. Outside of New Zealand, the earthquake became known as the "Christchurch Earthquake", and it resulted in the deaths of 185 people and injuries of several thousand. Despite the signs of progress, the government’s approach has caused simmering discontent in the local community. The earthquake occurred on New Zealand’s South Island 10km to the West of Christchurch, Canterbury. Several buildings caught fire after the earthquake. The removal of elected officials, along with the CERA legislation, are indicative of an approach to post-disaster politics that favours central government intervention and control. 16000 people migrate from Christchurch due to earthquake People unable to work as many businesses are damaged and destroyed. Earthquakes can cause trees to fall, cliffs to crumble and caves to collapse, which can have trickle-down effects … The region is facing major economic and organisational challenges in the aftermath of these events. A key reason for this is that a double blow often occurs. The latest events are most likely aftershocks of the M6.3 earthquake that devastated Christchurch and left more than 180 people dead at 22 February, 2011 and of the M7.0 event in September last year. Liquefaction is a natural process where earthquake shaking increases the water pressure in the ground causing some soils to behave like a fluid, resulting in temporary loss of soil strength. The Christchurch earthquake caused extensive damage to infrastructure and buildings. the land change effects of the earthquakes. You can also find Personal stories of the 2010–11 Canterbury earthquakes. The government later extended this arrangement until 2016, citing the earthquakes as one justification. The Impacts of the Christchurch Earthquake. Many people expressed displeasure at the treatment of residents in official processes. Even though the February 2011 earthquake was smaller in magnitude than the September 2010 earthquake, its impact was much greater. The Christchurch soil type is mainly loose to moderately saturated granular soils with poor drainage.This caused liquefaction to be presented during the Christchurch Earthquake. It was a 6.3 magnitude earthquake and the focus was very shallow at 4.99 kilometres deep… falling from 50 in 1999 to 19 in 2012.4 The earthquakes have had an impact on air quality as discussed further below. These issues are relevant elsewhere too as climate-related disasters become more frequent. Please contact us! Download PDFs Export citations. Scope of Project Following the major earthquake on 22nd February 2011, Christchurch was in a State of Emergency, with urgent works required throughout the city. Work has begun on government-led precincts and anchor projects in the central city. In this seminar, Dr Prasanna looked at the geography and natural disaster risk profile of New Zealand followed by a discussion on the NZ’s emergency and service management hierarchies. Previous vol/issue. That approach has excluded many individuals and community organisations. This time it was often colleagues, classmates or complet… Christchurch earthquake: 10,000 homes face demolition . 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