christchurch earthquake 2011 vulnerability
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christchurch earthquake 2011 vulnerability

christchurch earthquake 2011 vulnerability

Government, 2011], but only three earthquakes have resulted in reported damage to buildings. Christchurch is located near the Alpine Fault which runs through the South Island of New Zealand and is about 600km long. The review is of the response from the date of the earthquake until 30 April 2011. This is largely due to the earthquake taking place in the early hours of the morning when residents were in bed, and due to the distance of the earthquake from major urban areas. In the decade since, structural engineer Peter McBean FIEAust CPEng has been working to ensure a … Disaster Medicine … A number of techniques were used to determine the fault’s position and movement. The red star shows the location where the fault rupture started. the vulnerability of hospitals and provide a resilience metric for hospitals that can be adapted. Position data from GPS stations (Fig. 36,000 water and wastewater service requests were received and addressed by Christchurch City Council (CCC), which owns and manages the city’s water and wastewater networks, in 5 months following the earthquake. The on-going aftershocks have also caused a disrupted environment in which to recover. The severest of those events were the earthquake (magnitude from 7.0 … Figure 2: Diagram showing the amount and direction of slip of the rock between the two sides of the fault. The close proximity and shallow depth of this event resulted in higher intensity shaking in Christchurch with respect to the Darfield event in September 2010 [1]. The report looks at the architectural characteristics and seismic vulnerability of … The International Rugby Board and the New Zealand Rugby World Cup organisers announced in March 2011 that the city would be unable to host the World Cup matches. An aftershock sequence was initiated, which included a catastrophic M w 6.3 earthquake on 22 February 2011 beneath the city of Christchurch, killing 185 people. / Canterbury quake We use cookies to help provide and enhance our service and tailor content and ads. Colours on the fault plane indicate the amount of slip between the two sides of the fault (see Fig. Other Maps – General information about ground conditions across Christchurch. The quarter final matches were moved to Auckland. Each colour cycle represents 1.5 centimetres of ground displacement, so the total displacement between the western edge of the image and central Christchurch is about 25 centimetres. The effectiveness of the method is tested comparing prediction with the effects observed in the city of Christchurch during the 22nd February 2011 earthquake. Christchurch was set to host five pool matches and two quarter finals of the 2011 Rugby World Cup. 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. Most of these casualties occurred as a result of the collapse of two large office buildings, with further deaths resulting from falling bricks and masonry, and rockfalls in city suburbs. A magnitude 6.3 earthquake struck the city of Christchurch at 12:51pm on Tuesday 22 February 2011. Radar images taken from satellites before and after the earthquake were analysed. The residents began the recovery process, plagued by frequent aftershocks. In September 2010, Christchurch was shaken by the magnitude 7.1 Darfield earthquake, caused by movement along faults west of the city on the Canterbury Plains. AcknowledgementsFor discussions and sharing of early results: Pierre Briole, ENS, France; Marcello de Michele, BRGM, France; Eric Fielding, JPL, USA; SARmap group, Switzerland; INGV, Italy; GSI, Japan; Shaun Levick, Caroline Holden, Bill Fry, Stephen Bannister, Martin Reyners, all at GNS. The second and more devastating earthquake occurred the following year on February 22, 2011, within the Christchurch City Centre at a depth of just 5 kilometres and a magnitude of 6.3. 2011). This earthquake produced a visible rent across the landscape that allowed scientists to directly measure the movement of the longest fault segment, the Greendale Fault. For processing of the radar data: Mahdi Motagh. This raised part of the Port Hills and part of southern Christchurch. Compare Maps – Place any two of these maps side-by-side to use the slider to compare them. This article outlines some findings from an inquiry undertaken in the aftermath of 2011 earthquake in Christchurch, New Zealand, in which positive critique was used to examine the practice accounts of twelve school social workers alongside characteristics of recovery policies. Movement of land on either side of the fault plane was mixture of vertical motion and sideways slip (Fig. The earthquake struck the city of Christchurch in New Zealand on 22 February 2011. 185 people from more than 20 countries died in the earthquake. Christchurch City lies 40 km east of Darfield, and was home to a population of approximately 370,000 at the time of the earthquake. While extensive triggering of liquefaction was observed in the September 2010, February 2011, and June 2011 earthquakes, this triggering had little-to-no consequence on the built environment in some areas where state-of-the-practice liquefaction procedures suggested severe ground failure and damaging effects should have been anticipated. The two Canterbury earthquakes of September 2010 and February 2011 illustrate this: the 7.1 magnitude earthquake of 4 September was centred near Darfield, about 40km west of Christchurch and about 11km deep. The coloured image shows an “interference pattern” derived from X-band radar images taken on 19 and 23 February 2011 by the Italian Cosmo-SkyMed satellite. Two more earthquakes measuring magnitude 6.4 and 6 respectively were centred close to the city in June Copyright © 2015 The Authors. Based on data from GPS stations, satellite radar images, seismographs and strong-motion recorders, the fault that caused the 22 February earthquake lies within about six kilometres of the city centre, along the southern edge of the city. Christchurch is located near the Alpine Fault which runs through the South Island of New Zealand and is about 600km long. Christchurch earthquakes of 2010–11, series of tremors that occurred within and near the city of Christchurch, New Zealand, and the Canterbury Plains region from early September 2010 to late December 2011. The AIR model incorporates detailed soil and groundwater The suburbs of Heathcote and Redcliffs lie above the fault, resulting in heavy damage and extensive rockfalls. Gregory Cole, Nawawi Chouw, Rajesh Dhakal, Building and bridge pounding damage observed in the 2011 Christchurch earthquake, Bulletin of the New Zealand Society for Earthquake Engineering, 10.5459/bnzsee.44.4.334-341, 44, 4, (334-341), (2011). If the student volunteer army is to engage in ongoing strong collective protest, they may yet change the direction of my community’s socioeconomic development. On 22 February 2011, Christchurch City experienced a destructive magnitude (Mw) 6.2 aftershock following the main event of magnitude (Mw) 7.1 on the 4 September 2010. The Port Hills have gone up by varying amounts, from about 5 centimetres under Lyttelton Harbour to a maximum of about 25 centimetres at the base of the hills near the Heathcote valley. vulnerability, risk On September 4, 2010 a non-fatal 7.1 magnitude earthquake struck the Canterbury region of New Zealand. 2020 Edition of the New Zealand Critical Lifelines Infrastructure National Vulnerability Assessment ... Corrective Action Plan following the Review of the Civil Defence and Emergency Management Response to the 22 February 2011 Christchurch Earthquake (.pdf 172kb) Get the latest information about our emergency status from your social media channels. Christchurch Earthquake 2011. We have conducted a survey of damage to 160 buildings from the M6.2 22 February 2011 Christchurch earthquake to estimate earthquake intensities produced by this very significant earthquake. This was followed by a fatal 6.3 earthquake centred under the city of Christchurch on February 22, 2011. The second and more devastating earthquake occurred the following year on February 22, 2011, within the Christchurch City Centre at a depth of just 5 kilometres and a magnitude of 6.3. For CSK satellite radar data: e-GEOS, an ASI/Telespazio company, especially Andrea Celentano. February, 2011, Christchurch City experienced a direct hit from a destructive magnitude (Mw) 6.2 aftershock following the main event of magnitude 7.1 on the 4 However, the violent magnitude 6.3 earthquake that devastated Christchurch on 22 February 2011 was caused by movement along a fault that does not appear to have broken the surface. A magnitude 7.1 earthquake struck the Canterbury Region of New Zealand at 4:35 am on 4 September 2010. It was a 6.3 magnitude earthquake and the focus was very shallow at 4.99 kilometres deep. The February 2011 Mw6.2 Christchurch earthquake, which occurred on a previously unknown fault, revealed silty soils vulnerable to widespread liquefaction and land damage, severely impacting the city’s central business district. / Our Science 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. Copyright © 2021 Elsevier B.V. or its licensors or contributors. Understanding liquefaction vulnerability helps guide decisions about future land use and designing infrastructure and homes to … 2). 2). The earthquake occurred on New Zealand’s South Island, 10km west of Christchurch, at 12.51pm on 22nd February 2011 and lasted just 10 seconds. Central, northern and northeastern Christchurch have also gone down, but generally by less than 5 centimetres. ... (New Zealand) shows the shaking intensity of the 22 February 2011 Christchurch earthquake. As a direct result of the fault slip, the Bexley, Aranui, Wainoni, Avondale and New Brighton areas have gone down, mostly by less than 15 centimetres. Km beneath the rural town of Darfield, and resulting in 185 deaths MM9 shaking particularly! Ground compaction and liquefaction during the 22nd February 2011 and liquefaction during the strong.! For recording strong ground shaking the human scale of earthquake shaking based Observations! Movement occurred beneath the ocean process in Christchurch following the 2010/2011 Canterbury earthquakes – Place any two of these side-by-side! Figure 3: Image indicating ground displacement christchurch earthquake 2011 vulnerability by combining satellite radar data Mahdi. 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Fault at about 6 km depth and disclose the importance of possible disregarded factors northern... The land has gone up as much as 40 centimetres around the western side of the 22 February earthquake!

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