Latest earthquake is #25940 being magnitude 2.43 ( II) at 33.12 km at 12:10am, about 23 hr 8 mins ago. Setting of the Canterbury earthquake sequence. Wellbeing recovery inequity following the 2010/2011 Canterbury earthquake sequence: repeated cross‐sectional studies. The Canterbury earthquake sequence is an on-going earthquake sequence, which started with the M7.1 Darfield earthquake on 4 September 2010. M C Gerstenberger, GNS Science (EQC funded project 12/634). To investigate how unusual late and large aftershocks are (such as those observed in the Canterbury sequence) we used two global earthquake catalogues. Therefore a new time varying earthquake hazard model, the EE model, was developed. The 2010–2011 Canterbury Earthquake Sequence (CES), including the moment magnitude (M w) 7.1 Darfield earthquake and M w 6.2, 6.0, 5.9, and 5.8 aftershocks, occurred on a suite of previously unidentified, primarily blind, active faults in the eastern South Island of New Zealand. The report is a literature review of the published material related to the recovery from the Canterbury earthquake sequence, and provides a whole of government perspective on the lessons from the Government’s recovery … EARTHQUAKE SEQUENCE A magnitude7.1 earthquake struck the Canterbury region of New Zealands South Island on September 4, 2010; the epicenter was located near the town of Darfield, approximately 35 kilometers west of Christchurch on the previously unknown Greendale fault. PLEASE ENABLE JAVASCRIPT IN YOUR INTERNET OPTIONS. He had done his Masterâs degree at Canterbury University in earthquake engineering, specifically, liquefaction potential for Christchurch. We also searched for large aftershocks within 1.1 magnitude units of the main shock that occurred at least as late and far away as the Christchurch earthquake relative to the Darfield earthquake. The Canterbury earthquake sequence is an on-going earthquake sequence, which started with the M7.1 Darfield earthquake on 4 September 2010. A Christophersen, D A Rhoades, S Hainzl, E G C Smith. Annabel Begg. The three M≥6.0 aftershocks included the devastating M6.3 Christchurch earthquake on 22 February 2011, which resulted in 185 deaths and extensive damage. The research comes from an “insider” perspective from someone who worked on these campaigns in Canterbury before the earthquakes. Between September 2010 and December 2011, NZ's second largest city (pop. EQC acknowledged several times during this period that the scale … The Canterbury earthquake sequence is an on-going earthquake sequence, which started with the M7.1 Darfield earthquake on 4 September 2010. Investigate how unusual late and large aftershocks are as observed in the Canterbury sequence. Half of Christchurch's urban roads had to be rebuilt, 30% of the sewerage system was damaged and 32 million litres of water were lost when a major crack opened up in the floor of the city's largest reservoir. âOn behalf of the Government and all New Zealanders, I would like to thank everyone from Tonkin and Taylor who pitched in and helped in the aftermath of the devastating Canterbury earthquake and continue to assist in the ongoing recovery. This confirms that while the Christchurch earthquake occurred with a time delay of 171 days and 42 km from the Darfield epicentre, this is not too unusual in global earthquake occurrences. * 10 km east of Waiau, Canterbury, New Zealand. For each catalogue we identified magnitude thresholds and time periods for which the data can be expected to be complete. The 2010-2011 Canterbury Earthquake Sequence (CES), including the moment magnitude (M w ) 7.1 Darfield earthquake and M w 6.2, 6.0, 5.9, and 5.8 aftershocks, occurred on a suite of previously unidentified, primarily blind, active faults in … Tonkin + Taylor's Operations Manager for the Christchurch Earthquake Recovery Project, Shamus Wallace and his wife Lisa had two children after the earthquake sequence began. Of these large earthquakes, around 20% had a larger relative distance than Christchurch to Darfield, and around 15% occurred later than 171 days. The expected number ranged from 0.6 to 1.1, and totalled 2.3 for all sub sequences, which is an upper bound estimate due to the dependence of the events. More than 650,000 insurance claims … The 2010–2011 Canterbury earthquake sequence includes the 4 September 2010 Mw7.1 Darfield earthquake (e.g., Gledhill et al. The memorial is a place to reflect on the 2010/2011 earthquakes that changed Greater Christchurch forever. Since the earthquake, an Engineering Advisory Group has been assembled, now working under the Department of Building and Housing. The most destructive of these was the 22 February 2011 earthquake, centered close to Christchurch, in which 185 people died. The Canterbury earthquake sequence has caused severe damage through much of the city, both in the residential areas comprising mostly the eastern suburbs, and also in the CBD. The probability for one or more M≥ 6.0 earthquakes in the 50 years starting in September 2012 ranges from 50% to 93% depending on the model. Tonkin + Taylorâs Virginie Lacrosse found people really âgot itâ when she likened geotechnical engineers to doctors. The first earthquake occurred at the beginning of the New Zealand spring in September 2010 (when building projects typically start) followed by three more As a consequence of the earthquake sequence the In summary, the probability for one or more M≥ 6.0 earthquakes in the 50 years starting in September 2012 ranges from 50% to 93% depending on the model and model parameters. In our most complete dataset and with the preferred search criteria, 2% of large earthquake fulfil these criteria. Depending on the search criteria, between 6 and 13 % of main shocks in the more complete catalogue had 3 or more aftershocks within 1.1 magnitude units as observed in the Canterbury sequence. We then searched for earthquake sequences using different search criteria. Greater Christchurch Group has released its Whole of Government report on the lessons from the Canterbury earthquake sequence. We identified further work required to understand the time frame for which aftershock models can be usefully applied. In the other dataset there were another couple of examples. How Professionals Have Helped to Prevent Recovery in Canterbury and Have Caused a Separate Disaster for Property Owners Adrian COWIE, New Zealand 1. Time-lapse visualisations of the February 22 2011 and September 4 2010 earthquakes and their aftershocks can also be viewed. As a consequence of the earthquake sequence the New Zealand National Seismic Hazard model was expected to grossly underestimate the level of ground shaking for the Canterbury region for the coming decades due to on-going aftershock activity and the possibility of other triggered moderate to large earthquakes. The earthquake Search … 2 Executive Summary The Christchurch earthquake sequence has been on-going since September 4th 2010. YOU NEED JAVASCRIPT TO RUN THIS SITE. 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