During the 2010 and 2011 Canterbury earthquakes, over 400 000 tonnes of silt came to the surface, covering streets and gardens in several suburbs. Understanding what causes earthquakes, where and why they happen, is essential in being prepared for further emergencies. This list of information is meant to update those outside of New Zealand as to what has been going on since the There have been thousands of aftershocks in Canterbury since the 2010 earthquake. Source: Institute of Geological and Nuclear Sciences. It has been known as the Greendale, Darfield, Rolleston, September or Canterbury Earthquake. The main quake was felt widely across the South … A state of emergency was declared by Civil Defence for Christchurch and the Selwyn District. Strong aftershocks were reported, including ones of magnitude 5.3. This is largely due to the earthquake taking place in … The main quake was felt widely across the South Island, and in the North Island as far north as New Plymouth. Less than 6 months later, another earthquake struck within a few kilometers of Christchurch city. Aftershocks are not included, unless they were of great significance or contributed to a death toll, such as the M 6.3 2011 Christchurch earthquake and the M 7.3 aftershock to the 1931 Hawke's Bay earthquake. There are ten major plates and many more minor ones. See more ideas about earthquake, natural disasters, earthquake and tsunami. Learn 2010 Canterbury earthquake facts for kids. Accessed September 7, 2010. Accessed September 7, 2010. The ‘S’ (secondary or shear) waves follow along at about 10,000 kilometers an hour, and cause the main rolling and shaking effects of an earthquake. The 2010 Canterbury earthquake (also known as the Darfield earthquake) struck the South Island of New Zealand with a moment magnitude of 7.1 at 4:35 a.m. local time on 4 September, and had a maximum perceived intensity of X (Extreme) on the Mercalli intensity scale. 2010 Canterbury earthquake is better than 2010 Christchurch Earthquake because the epicentre and most severely damaged areas were outside Christchurch. Schwede 66 02:35, 4 September 2010 (UTC) I agree. Liquefaction is a phenomenon in which the strength and stiffness of a soil is reduced by extreme shaking. The 2010 Canterbury earthquake measured 7.1 on the Richter Scale and struck the South Island of New Zealand at 4:35 am on the 4th of September 2010. 161-179 Victoria Street.JPG 4,000 × 3,000; 4.28 MB The 2010 Canterbury earthquake (also known as the Darfield earthquake) struck the South Island of New Zealand with a moment magnitude of 7.1 at 4:35 a.m. local time on 4 September, and had a maximum perceived intensity of X (Extreme) on the Mercalli intensity scale. It was at a depth of 10km and was centred 40km west of Christchurch. To date there have been more than 2,700 aftershocks in the Canterbury region. GNS had not ruled out an aftershock as large as magnitude 6, which was previously expected, but they now believe the largest aftershock has already occurred (a 5.6 magnitude quake 20 minutes after the main one). Sampling included organisations proximal and distal to the fault trace, organisations located within central business districts, and organisations from seven diverse industry sectors. why were there so much damage in … The GeoNet website provides public access to hazards information, including earthquake reports and Volcanic Alert Bulletins. This paper presents the preliminary findings of a study on the resilience and recovery of organisations following the Darfield earthquake in New Zealand on 4 September 2010. At 4:35 am on 4 September 2010, there was a magnitude 7.1 earthquake. The Modified Mercalli (MM) intensity scale is used for measuring the intensity of an earthquake. In the United States, a magnitude 7.0 tremor struck near Anchorage, Alaska on November 30. losses totaled more … Earthquake Commission and GNS Science. The epicentre was 40 km west of Christchurch city close to the town of Darfield, at a depth of 10 km. Download. 2). For more information about tours and visiting Parliament, click here. The epicentre of the Canterbury earthquake was near the town of Darfield, and felt throughout the South Island and as far north as New Plymouth. Most (though not all) earthquakes occur at faults, which are breaks extending deep within the earth, caused by the movement of these plates. Businesses in the city centre were closed the day of the quake. no one died from the earthquake and 3 people got put into hospital. 2010 Canterbury earthquake is an appropriate article name, and I thus disagree with the proposed name change, too. This article has been written by Molly Mcintosh. GNS Science. Major fault zones in New Zealand, with the plate boundary and relative motion of the Pacific Plate shown, Building damage in Worcester Street, corner Manchester Street, with Christchurch Cathedral in the background. World. One person died from a heart attack, possibly caused by the shock of the earthquake, but there wer… The magnitude is a measure of the amount of energy released by the earthquake. Apart from physical injuries, international literature suggests that psychosocial recovery after a disaster can take five to ten years. (2010, September 6). The science team will collect high quality data and information for emergency management and research. Other areas, where the movement is not constant, are prone to stronger quakes separated by longer periods of time. It is a previously unknown fault under the Canterbury Plains. The scale quantifies the intensity of ground-shaking and destructiveness of an earthquake from MM1 (smallest) to MM12 (cataclysmic). The severest of those events were the earthquake (magnitude from … Email: Charles.Feltham@parliament.govt.nz, Parliamentary LibraryPrivate Bag 18041Parliament BuildingsWellington 6160T: +64 4 817 9647 The 4 September 2010 earthquake was the largest to affect a major urban area since the 7.8-magnitude shock that struck the Hawke’s Bay region on 3 February 1931. During the Canterbury earthquake liquefaction and lateral spreading (sideways movement of the ground) occurred in the Kaiapoi area and some of Christchurch's eastern suburbs. During the Canterbury earthquakes of September 2010 and February 2011, liquefaction caused silt and fine sand to boil up and bury streets and gardens and caused buildings and vehicles to sink. Feb 4, 2014 - Explore Angela Turra's board "Earthquake", followed by 898 people on Pinterest. On 4 September 2010 a moment magnitude (M w) 7.1 earthquake occurred near the small town of Darfield in the Canterbury Plains of the South Island of New Zealand (; Fig. However, there was no tsunami resulting from this earthquake as it occurred on land. As well as damaging properties and the local economy, the earthquake had both physical and psychological effect… In the early hours of Saturday morning on 4 September 2010, people in Christchurch and the surrounding Canterbury region were jolted awake by the most damaging earthquake in New Zealand since the deadly magnitude 7.8 Hawke's Bay (Napier) earthquake in 1931.There was one important difference-this time there has been no loss of life. This page was last modified on 23 December 2020, at 02:10. Liquefaction is not just a New Zealand problem. Prior to an earthquake, the water pressure is relatively low. Geotechnical Reconnaissance of the 2010 Darfield (New Zealand) Earthquake, Report. This was a new phenomenon for most New Zealanders, yet it has been a feature during earthquakes throughout this country’s history. There was one important difference-this time there has been no loss of life. Canterburyearthquake.govt.nz - http://www.canterburyearthquake.govt.nz/ - is a New Zealand government website. "The 2011 Mineral, Virginia Earthquake and Its Significance for Seismic Hazards in Eastern North America-Overview and Synthesis," The 2011Mineral, Virginia, Earthquake, and Its Significance for Seismic Hazards in Eastern North America, GSA Special Paper 509, Geological Society of America, Boulder, CO. 1-25. Media in category "Buildings damaged by the 2010 Canterbury earthquake" The following 31 files are in this category, out of 31 total. These plates are in constant motion, travelling at a few centimetres per year. The website provides free access to a wide range of resources. The earthquake occurred more than five months after the September 4, 2010 earthquake of a 7.1 magnitude (in which no one died), and is considered to be an aftershock. For the severe aftershock of 22 February 2011, see 2011 Christchurch earthquake. It was centred 40 km west of Christchurch, near the town of Darfield, at a depth of 10 km. On 22 February 2011 a magnitude 6.3 earthquake caused 185 deaths and major damage to property. Mark Quigley Earthquake Commission and GNS Science. Canterbury fault had not ruptured for at least 16,000 years. Luck played a part-the quake occurred at … It acts as a gateway to central and local government resources, news and services. The Darfield earthquake At 4.35 a.m. on Saturday 4 September 2010, Canterbury was rocked by a magnitude 7.1 earthquake centred near Darfield.     At least 15,899 people died, and another 2,500 went missing. Environment Canterbury. It struck the Canterbury region of the island and caused a lot of damage and many deaths in Christchurch, New Zealand's second largest city. Earthquakes in Christchurch today and historic (Canterbury, Christchurch City, , New Zealand) Map of the most recent 25 earthquakes in Christchurch and Canterbury, New Zealand.Christchurch Quake Map. Latest earthquake is #25940 being magnitude 2.43 ( II) at 33.12 km at 12:10am, about 23 hr 8 mins ago. The fault that caused the Canterbury earthquake on 4 September 2010 has been named the Greendale Fault. It is believed that the Christchurch area was first settled in 1250 by tribes hunting the now-extinct … The epicentre of the Canterbury earthquake was near the town of Darfield, and felt throughout the South Island and as far north as New Plymouth. Canterburyearthquake.org.nz – http://canterburyearthquake.org.nz/ - is managed by Environment Canterbury. Basic Facts Date: 4th of September 2010 Time: 4.35am Magnitude: … Tension builds up as they scrape over, under or past each other. In the South Island, these plates mainly slide past each other horizontally, producing earthquakes along fault lines such as the Alpine fault. GeoNet. The 2010 Canterbury earthquake was a powerful 7.1 magnitude earthquake, which struck the South Island of New Zealand at 4:35 am September 4, 2010 local time (16:35 3 September UTC).It was centred 40 km west of Christchurch, near the town of Darfield, at a depth of 10 km. Canterbury fault had not ruptured for at least 16,000 years. This is a list of large earthquakes that have occurred in New Zealand.Only earthquakes with a magnitude of 6.0 or greater are listed, except for a few that had a moderate impact. Facts Why was the magnitude 6.3 earthquake able to cause so much more destruction in the CBD and Christchurch suburbs than the magnitude 7.1 quake last September? 2010 Canterbury Earthquake 2003 Fiordland Earthquake 2009 Dusky Sound Earthquake What really happened at the 2010 Canterbury earthquake. Aftershocks are caused by movement along a fault, and at the tips of the fault, in areas that did not rupture during the main earthquake. 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. Earthquakes cause waves of vibration to travel though the ground. In 1935 the American seismologist Charles Richter invented a scale to indicate the strength of an earthquake. Public servants and special interest groups, http://www.geonet.org.nz/about/index.html, http://www.geonet.org.nz/news/article-sep-4-2010-christchurch-earthquake.html, http://www.gns.cri.nz/Home/News-and-Events/Media-Releases/Most-damaging-quake-since-1931/Canterbury-quake, http://creativecommons.org/licenses/by/3.0/nz/, http://www.gns.cri.nz/Home/News-and-Events/Media-Releases/Text-book-aftershock, Parliamentary.Information@parliament.govt.nz. The fronts of some Christchurch city buildings collapsed during the first September Tourism infrastructure in Canterbury and Christchurch is operating as usual. Since then, thousands of quakes have rattled the region, the most damaging a magnitude-6.3 on February 22 last year, which claimed 185 lives. These MPs represent 65 general electorate seats and seven Māori electorates. Accessed September 7, 2010. Kete Christchurch: Canterbury earthquakes 2010 - 2011 contains primary sources such as photographs, experiences, and audio. The total cost of damages may be as high as NZ$2 billion. The fault that caused the Canterbury earthquake on 4 September 2010 has been named the Greendale Fault. Despite being smaller on the Richter Scale, this second earthquake caused widespread damage and loss of lives. GeoNet. The Darfield earthquake At 4.35 a.m. on Saturday 4 September 2010, Canterbury was rocked by a magnitude 7.1 earthquake centred near Darfield. The 2010-2011 Canterbury earthquake sequence The Darfield earthquake occurred at 4:35 am (New Zealand Standard Time, NZST) on 4 September 2010, causing no fatalities and few injuries. GNS Science. The Canterbury earthquakes are in no way related to the flooding events in Queensland or the massive earthquake in Japan. It was centred 40 km west of Christchurch, near the town of Darfield, at a depth of 10 km. The Darfield earthquake (Mw 7.1; ML 7.2) occurred along a previously unknown strike-slip fault in Canterbury Province, New Zealand on 4 September 2010. The Canterbury earthquake has been given a MM9 rating. It was based on the Greendale fault, which is a newly discovered fault. The ‘S’ (secondary or shear) waves follow along at about 10,000 kilometers an hour, and cause the main rolling and shaking effects of an earthquake. They may also occur in the broader area around the fault, as the surrounding rock mass adjusts to stresses created by the main earthquake. Thousands of people were made homeless. Elisabeth Bowman. 1 earthquake within a radius of 150km of central Christchurch over 24 hours. The largest of these, the "Boxing Day aftershock", with a magnitude of 4.9, at a depth of 12 km below Opawa was felt very Earthquakes. Some damaging aftershocks followed the main event, the strongest of which was a magnitude 6.3 shock known as the … is largely influenced by nation-wide NCEA e xaminations, it is of little surprise that the. The quake struck the city of 350,000 people and the surrounding Canterbury region at 4:35am. The 2010 Canterbury earthquake (also known as the Christchurch earthquake ) was a 7.1 magnitude earthquake , which struck the South Island of New Zealand at 4:35 am on 4 September 2010 local time (16:35 3 September UTC ). Christchurch is built on the edge of the Canterbury Plains, which are made up of deep layers of sediments deposited by rivers draining from the Southern Alps. During the earthquake, the shaking caused liquefaction of these layers which resulted in soil being discharged to the surface. It is a previously unknown fault under the Canterbury Plains. New Zealand lies on the boundary of the Pacific and Australian tectonic plates. The point under the ground where the earthquake actually begins is called the hypocentre or focus, while the place directly above it on the surface is known as the epicentre. It was set up to collate a range of sources relating to the Canterbury earthquake. (This is 23:51 21 February UTC). It was relatively shallow – around 10 km deep – and produced the strongest earthquake ground-shaking ever recorded in New Zealand. It is a previously unknown fault under the Canterbury Plains. No lives were lost, but buildings were damaged and deemed unsafe leading to a state of emergency being pronounced in the city of Christchurch. Learn 2010 Canterbury earthquake facts for kids. Historically, it has been responsible for tremendous amounts of damage in earthquakes around the world. * 10 km east of Waiau, Canterbury, New Zealand. The Richter scale has been superseded by the moment magnitude scale, which is calibrated to give generally similar values for medium-sized earthquakes (magnitudes between 3 and 7 on the Richter scale) but measures larger earthquakes with greater accuracy. Parliamentary.Information@parliament.govt.nz. Aftershock sequences follow predictable patterns based on seismological observations and mathematical modelling. The fault that caused the Canterbury earthquake on 4 September 2010 has been named the Greendale Fault. GeoNet operates a modern geological hazard monitoring system in New Zealand. Liquefaction occurs in saturated soils, that is, soils in which the space between individual particles is completely filled with water. It was centred 9 km southeast of the town of Darfield, 40 km west of Christchurch (all locations mentioned in the text are in Fig. You can get involved by voting in elections, contacting an MP,  making a submission or petitioning Parliament. The 2010 Canterbury earthquake was a powerful 7.1 magnitude earthquake, which struck the South Island of New Zealand at 4:35 am September 4, 2010 local time (16:35 3 September UTC). The 2010 Canterbury earthquake was a powerful 7.1 magnitude earthquake, which struck the South Island of New Zealand at 4:35 am September 4, 2010 local time (16:35 3 September UTC). Every effort has been made to ensure that the content of this newsletter is accurate, but no guarantee of accuracy can be given. The Richter scale was based on the largest amplitude recorded on a seismograph. The second (Christchurch) earthquake (Mw = 6.2) on 22 February 2011, caused by a thrust fault, affected the same region. On the 4th of September 2010 at 4.35 am the people of Christchurch, the Canterbury area and many other parts of New Zealand were jolted awake by a 7.1 magnitude earthquake. 2010 Canterbury earthquake This water exerts a pressure on the soil particles that influences how tightly the particles themselves are packed together. 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