2010 canterbury earthquake facts

The 1855 Wellington and 1931 Napier earthquakes were both MM10 at their epicentres. Download. A GNS Science-led team, including personnel from Land Information New Zealand (LINZ), Otago University and Victoria University of Wellington, has been monitoring aftershock activity and collating seismic data in the Canterbury region. It was about 5 km underground. Source: Institute of Geological and Nuclear Sciences. Richter’s method worked well for small to moderate earthquakes, but the magnitudes of very large earthquakes were underestimated. Have your say and influence the laws passed by Parliament. In some places movement between the plates is happening all the time, causing frequent small or moderate earthquakes. [1] The information and tools on the site are provided to support the response to the Canterbury earthquake. GNS Science. 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? The GeoNet website provides public access to hazards information, including earthquake reports and Volcanic Alert Bulletins. The facade of the Repertory Theatre was extensively damaged. Canturbury Earthquake 2010 and Christchurch Earthquake 2011 Facts. It acts as a gateway to central and local government resources, news and services.   Strong aftershocks were reported, including ones of … The Canterbury quake caused extensive damage to certain buildings in Christchurch, in addition landslides occurred in the Rakaia Gorge and flooding where the Hororata River had burst its banks. Facts From the Christchurch NZ EarthQuake 4th Sept 2010 This post was taken from Wikipedia, the free encyclopedia. See our pages for kids on the 4 September 2010 and 22 February 2011 earthquakes. Around six months later, at 12:51 pm on 22 February 2011, a magnitude 6.3 earthquake hit south-east of Christchurch. This was a new phenomenon for most New Zealanders, yet it has been a feature during earthquakes throughout this country’s history. 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. 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. Tectonic plates are large plates of rock, about 100km in thickness, that make up the foundation of the earth's crust and the shape of the continents (like pieces of a giant jigsaw puzzle). the 2010 Canterbury earthquake late in the school year. Most (though not all) earthquakes occur at faults, which are breaks extending deep within the earth, caused by the movement of these plates. In general, aftershocks decline in magnitude and frequency, as the distance increases from the epicentre of the main quake. Mark Quigley However, earthquake shaking can cause the water pressure to increase to the point where the soil particles can readily move with respect to each other and the soil behaves as a liquid. * 10 km east of Waiau, Canterbury, New Zealand. 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. Darfield earthquake damages Canterbury. The magnitude-7.1 earthquake struck 11km beneath Darfield at 4.35am on September 4, 2010. Tourism infrastructure in Canterbury and Christchurch is operating as usual. However, there was no tsunami resulting from this earthquake as it occurred on land. Liquefaction is more likely to occur in loose to moderately saturated granular soils with poor drainage, such as silty sands or sands and gravels containing seams of impermeable sediments. Businesses in the city centre were closed the day of the quake. Canterburyearthquake.govt.nz - http://www.canterburyearthquake.govt.nz/ - is a New Zealand government website. Basic Facts Date: 4th of September 2010 Time: 4.35am Magnitude: … It was based on the Greendale fault, which is a newly discovered fault. 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. Liquefaction is a phenomenon in which the strength and stiffness of a soil is reduced by extreme shaking. The severest of those events were the earthquake (magnitude from … 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. Aftershock sequences follow predictable patterns based on seismological observations and mathematical modelling. 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. Less than 6 months later, another earthquake struck within a few kilometers of Christchurch city. However, this may be revised when a clearer picture emerges of the extent of the damage not only to buildings but infrastructure such as sewerage and water supply networks. New Zealand lies on the boundary of the Pacific and Australian tectonic plates. 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. The scale quantifies the intensity of ground-shaking and destructiveness of an earthquake from MM1 (smallest) to MM12 (cataclysmic). View of the Oxford Terrace Baptist Church after the 2010 Canterbury earthquake, with props holding the frontage up (It was later destroyed in the 22 February aftershock). Liquefaction occurs in saturated soils, that is, soils in which the space between individual particles is completely filled with water. Geotechnical Reconnaissance of the 2010 Darfield (New Zealand) Earthquake, Report 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. Media in category "Buildings damaged by the 2010 Canterbury earthquake" The following 31 files are in this category, out of 31 total. at the start of the year on january 24th there was a 7.0 magnatude earthquake with around 52 aftershocks. The 2010 Christchurch earthquake that struck the Canterbury region of New Zealand on September 4, 2010 registered 7.1 on the Richter scale and left 2 dead and 100 injured. The Canterbury earthquake has been given a MM9 rating. The Canterbury earthquakes are not the largest earthquakes in New Zealand's history, but the February quake has lead to more costly damage than for any other natural disaster in New Zealand. In 1935 the American seismologist Charles Richter invented a scale to indicate the strength of an earthquake. 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. is largely influenced by nation-wide NCEA e xaminations, it is of little surprise that the. See more ideas about earthquake, natural disasters, earthquake and tsunami. On 22 February 2011 a magnitude 6.3 earthquake caused 185 deaths and major damage to property. 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 based near Darfield but felt all over the South Island and in the lower part of the North Island. Kete Christchurch: Canterbury earthquakes 2010 - 2011 contains primary sources such as photographs, experiences, and audio. Mercalli was an Italian seismologist (and priest) who developed his scale for measuring quakes in the early 20th century. 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. 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. During the 2010 and 2011 Canterbury earthquakes, over 400 000 tonnes of silt came to the surface, covering streets and gardens in several suburbs.     At least 15,899 people died, and another 2,500 went missing. 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. A New Zealand Crown entity investing in natural disaster research, education and providing insurance to residential property owners. 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. 5 At the time of the 4 September 2010 Canterbury earthquake, EQC employed one communications manager who was assisted by a Wellington communications agency on an as-needed basi s. After th is and subsequent earthquakes, there was a large increase in the amount of information that EQC needed to communicate, the number and diversity of audiences it Accessed September 7, 2010. You can get involved by voting in elections, contacting an MP,  making a submission or petitioning Parliament. 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. At 12.51 p.m. on Tuesday 22 February 2011, a magnitude 6.3 earthquake caused severe damage in Christchurch and Lyttelton, killing 185 people and injuring several thousand. The 1855 Wellington earthquake had an estimated magnitude of 8.2, the Napier earthquake of 1931 was 7.8, and the recent Canterbury earthquake was of magnitude 7.1. 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). 2010 Canterbury earthquake is better than 2010 Christchurch Earthquake because the epicentre and most severely damaged areas were outside Christchurch. (2010, September 6). At 4:35 am on 4 September 2010, there was a magnitude 7.1 earthquake. It was relatively shallow – around 10 km deep – and produced the strongest earthquake ground-shaking ever recorded in New Zealand. GeoNet. 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. Schwede 66 02:35, 4 September 2010 (UTC) I agree. Detailed information on the Darfield earthquake is available at http://www.geonet.org.nz/news/article-sep-4-2010-christchurch-earthquake.html, Institute of Nuclear and Geological Sciences - provides complementary information to the GeoNet’s commentary on the Canterbury quake at http://www.gns.cri.nz/Home/News-and-Events/Media-Releases/Most-damaging-quake-since-1931/Canterbury-quake. Ground near the Darfield epicentre moved at up to 1.25 times the acceleration due to gravity. "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. Despite being smaller on the Richter Scale, this second earthquake caused widespread damage and loss of lives. It was centred 40 km west of Christchurch, near the town of Darfield, at a depth of 10 km. 2010 Canterbury earthquake The fault that caused the Canterbury earthquake on 4 September 2010 has been named the Greendale Fault. Every effort has been made to ensure that the content of this newsletter is accurate, but no guarantee of accuracy can be given. Other areas, where the movement is not constant, are prone to stronger quakes separated by longer periods of time. Historically, it has been responsible for tremendous amounts of damage in earthquakes around the world. GNS Science. The largest recorded earthquake was the 9.5 Chilean earthquake in 1960. Sometimes excess water will come to the surface through cracks bringing liquefied sand with it, creating what are known as sand boils or sand volcanoes. 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). Earthquakes cause waves of vibration to travel though the ground. Tourism infrastructure in Canterbury and Christchurch is operating as usual. 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. No one died, but buildings in Christchurch were damaged. 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. 2018 Earthquakes: On September 5 an earthquake struck Hokkaido, Japan which left dozens dead and caused more than $1.7 billion in damage, according to Aon. This list of information is meant to update those outside of New Zealand as to what has been going on since the After the first Canterbury earthquake the National Crisis Management Centre in the basement of the Beehive in Wellington was activated. A state of emergency was declared by Civil Defence for Christchurch and the Selwyn District. This page was last modified on 23 December 2020, at 02:10. Earthquake Commission and GNS Science. In contrast the Fiordland earthquake on 15 July 2009 of magnitude 7.8, was given an intensity measurement of MM7 because it occurred in an isolated area and there was only a small amount of damage to buildings reported in Invercargill. 1).While many older brick and masonry buildings were damaged and approximately 100 people were injured in this earthquake, there were no associated deaths. In the first eighty years of European settlement in Christchurch (1850–1930), four earthquakes caused significant damage, the last of these centred at Motunau on the North Canterbury coast in 1922. GeoNet operates a modern geological hazard monitoring system in New Zealand. (2010, September 7). 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. The quake struck the city of 350,000 people and the surrounding Canterbury region at 4:35am. This water exerts a pressure on the soil particles that influences how tightly the particles themselves are packed together. There was one important difference-this time there has been no loss of life. The solid facts on Christchurch liquefaction. Strong aftershocks were reported, including ones of magnitude 5.3. 4:35am (NZ … During the earthquake, the shaking caused liquefaction of these layers which resulted in soil being discharged to the surface. When liquefaction occurs the strength of the soil decreases and the ability to support foundations for buildings and bridges is reduced. 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 The 2010 earthquake was centred about 80–90 km to the southeast of the plate boundary through the island, probably on one of a network of smaller faults linked to the main faults that mark the plate boundary itself. After the 2010 Canterbury Earthquake, a 7.1 magnitude earthquake near Christchurch, New Zealand, the region has been hit by hundreds of aftershocks - many of them widely felt around Christchurch, and some of which have caused further damage. The science team will collect high quality data and information for emergency management and research. It was at a depth of 10km and was centred 40km west of Christchurch. 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. Geonet - http://www.geonet.org.nz/about/index.html - is a joint project between GNS and the Earthquake Commission. There have been thousands of aftershocks in Canterbury since the 2010 earthquake. The Modified Mercalli (MM) intensity scale is used for measuring the intensity of an earthquake. The main quake was felt widely across the South … Home; Starting on: 4 September 2010; 22 February 2011; 13 June 2011; 23 December 2011; Big Quakes; Largest 25; Latest 25; Today; Past week; Other … why were there so much damage in … The first sign of a quake is often the rumbling sound caused by the ‘P’ (primary or push) waves travelling at about 20,000 kilometers an hour. The second (Christchurch) earthquake (Mw = 6.2) on 22 February 2011, caused by a thrust fault, affected the same region. As well as damaging properties and the local economy, the earthquake had both physical and psychological effect… The Canterbury earthquakes are in no way related to the flooding events in Queensland or the massive earthquake in Japan. 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. Parliament's decisions affect all New Zealanders. In the South Island, these plates mainly slide past each other horizontally, producing earthquakes along fault lines such as the Alpine fault. Some damaging aftershocks followed the main event, the strongest of which was a magnitude 6.3 shock known as the … One person died from a heart attack, possibly caused by the shock of the earthquake, but there wer… 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. It was set up to collate a range of sources relating to the Canterbury earthquake. The quake caused damage to historic buildings in Lyttelton, near Christchurch, including a church and parts of a hotel. Strong aftershocks were reported, including ones of magnitude 5.3. World. The solid facts on Christchurch liquefaction. In 1995, the Japanese city of Kobe suffered extensive damage from an earthquake. This morning's magnitude 7.1 quake hit at 4.36am. Accessed September 7, 2010. Although it is impossible to predict the exact timing of the next big quake, scientists will increase their knowledge of the statistical risks and potential size of future earthquakes. There was no loss of life and few serious injuries, but many stone and masonry buildings were damaged. Giv en that such a time frame. On 4 September 2010, a magnitude Mw 7.1 earthquake struck the Canterbury region on the South Island of New Zealand. The 2010 Canterbury earthquake struck the South Island of New Zealand with a moment The earthquake's epicentre was 40 kilometres (25 mi) west of Christchurch, close to the town of Darfield. 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. (2010, September 6). 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. On June 17 another strong earthquake impacted Osaka Japan, resulting in insured losses of at least $935 million. no one died from the earthquake and 3 people got put into hospital. It is a logarithmic scale, which means that a magnitude seven earthquake is 32 times as powerful as a magnitude six quake. Earthquake christchurch today. 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 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. The other 48 MPs are selected from the party lists. These MPs represent 65 general electorate seats and seven Māori electorates. Crack in Bridge Street, South New Brighton, A structural inspection notice verifies a shop as safe for use, Police cordon in Riccarton Road during demolition of damaged buildings, 2010 Canterbury earthquake Facts for Kids, 2 seriously injured, approximately 100 total injuries. Tension builds up as they scrape over, under or past each other. (This is 23:51 21 February UTC). 1 earthquake within a radius of 150km of central Christchurch over 24 hours. The tremor caused widespread damage across the Canterbury region but no fatalities. Earthquakes. Two people were seriously injured. This is largely due to the earthquake taking place in … The fault that caused the Canterbury earthquake on 4 September 2010 has been named the Greendale Fault. Latest earthquake is #25940 being magnitude 2.43 ( II) at 33.12 km at 12:10am, about 23 hr 8 mins ago. It has been known as the Greendale, Darfield, Rolleston, September or Canterbury Earthquake. 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 Canterbury region has had six months of unexpected and extremely difficult challenges as a result of a sequence of damaging and deadly earthquakes and the associated aftershocks. Canterburyearthquake.org.nz – http://canterburyearthquake.org.nz/ - is managed by Environment Canterbury. 161-179 Victoria Street.JPG 4,000 × 3,000; 4.28 MB The epicentre was 40 km west of Christchurch city close to the town of Darfield, at a depth of 10 km. The size of an earthquake is referred to as its Magnitude (although the Richter scale is often used interchangeably by the non-scientific community). From physical injuries, international literature suggests that psychosocial recovery after a disaster can take to. That psychosocial recovery after a disaster can take five to ten years ( cataclysmic ) can. Dusky Sound earthquake what really happened at the start of the main quake was measured by earthquake! Rate following the main quake was measured by the earthquake, natural,. The Pacific and Australian tectonic plates where the movement is not constant, are 2010 canterbury earthquake facts stronger! 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