It was lunchtime and many people were on the city streets. Although not as powerful as the magnitude 7.1 earthquake on 4 September 2010, this earthquake occurred on a fault line that was shallow and close to the city, so the shaking was particularly destructive. The earthquake occurred more than five months after the 4 September 2010 earthquake, but is considered to be an aftershock of the earlier quake. In the ten minutes after it hit, there were 10 aftershocks of magnitude 4 or more. Download: Ogg Vorbis, MP3, Link to the September 2010 earthquake pages. On the 22nd of February 2011, 12:51 pm a catastrophic earthquake hit Christchurch, New Zealand. It has treated over 220 serious injuries so far, even though sometimes they were working by torchlight. GNS seismologist Bill Fry explains the February 2011 aftershocks in Christchurch. Several aftershocks were reported, some registering at a 5.6 magnitude. The February 22 2011 earthquake was in fact an aftershock of the M 7. There was one important difference-this time there has been no loss of life. Among the modern buildings damaged, and eventually demolished, was Christchurch’s tallest building, the Hotel Grand Chancellor. Liquefaction happens when underground water in the soil comes to the surfac… Christchurch Hospital was evacuated due to damage in some areas, but soon reopened to treat the injured. The earthquake caused widespread damage across Christchurch, killing 185 people in the nation's fifth-deadliest disaster. All text licensed under the Creative Commons Attribution-NonCommercial 3.0 New Zealand Licence unless otherwise stated. Disaster researchers in CanterburyGNS Science disaster researcher Julia Becker blogs about her experiences in Canterbury. / Our Science The earthquake was caused by the rupture of a 15-kilometre-long fault along the southern edge of the city, from Cashmere to the Avon–Heathcote estuary. 6.3 magnitude earthquake part of aftershock sequence February the 22nd's devastating magnitude 6.3 earthquake centred southeast of Christchurch was part of the aftershock sequence that has been occurring since the September magnitude 7.1 quake near Darfield, 40km west of the city, an earthquake geologist said today. We now have 200 of them installed in Christchurch homes collecting valuable information.Thankyou. As had happened after the 4 September 2010quake, there was a lot of liquefaction. A documentary with interviews from some of our scientists talking about the earthquake. GeoNet Data Centre Manager explains seismic waves and what's been observed in Christchurch. Timaru’s population swelled by 20% and thousands of pupils registered at schools in other cities and towns. (A complete list of the deceased can be found on the New Zealand Police website.). Personal stories of the 2010–11 Canterbury earthquakes, Creative Commons Attribution-NonCommercial 3.0 New Zealand Licence. Read more about the 2011 Christchurch earthquake on NZHistory. / Recent Events / Canterbury quake. Build your own animated earthquake mapIf you have Google Earth, download our KML file. Feb 23, 2011. Christchurch Earthquake Case Study. Buildings have collapsed around Cathedral Square in downtown Christchurch. Learn more about the shaking, liquefaction, aftershocks and how the fault was found - here. Thanks for your help. GNS seismologist Matt Gerstenberger describes earthquake probabilities and forecasting on Youtube. Faultlines, National Radio's special feature. On Tuesday 22 February 2011 at 12.51 p.m. Christchurch was badly damaged by a magnitude 6.3 earthquake, which killed 185 people and injured several thousand. 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. Hamish Campbell: earthquake geology (Streaming link) (GNS Science Geologist and paleontologist Hamish Campbell talks to Kim Hill on National radio. 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. 2011 Christchurch earthquake facts for kids Buildings damaged. / Natural Hazards and Risks © Crown Copyright. (More details here). On 22 February 2011, a 6.3 magnitude earthquake struck Christchurch shortly before 12:50pm at a shallow depth of four kilometres. 1 September 2010 earthquake. GNS Science disaster researcher Julia Becker blogs about her experiences in Canterbury. Many returned to Christchurch as conditions improved. A Mw6.2 (ML6.3) earthquake occurred in Christchurch on Tuesday 22 February 2011 at 12:51 p.m. local time (23:51 UTC, 21 February). 12/07/2011. Christchurch’s central business district remained cordoned off for more than two years after the earthquake. All non-text content is subject to specific conditions. On Tuesday 22 February 2011 at 12.51 p.m. Christchurch was badly damaged by a magnitude 6.3 earthquake, which killed 185 people and injured several thousand. More GNS Science audio from National Radio here. Basic facts about the Christchurch earthquake. The earthquake was caused by the two plates being forced together for a long time. Home Liquefaction was much more extensive than in the September 2010 earthquake. Despite the damage to homes, there were few serious injuries in residential houses in liquefaction areas. 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. Properties and streets were buried in thick layers of silt, and water and sewage from broken pipes flooded streets. Photo: NZ Defence Force. Hydrogeologic effects of the earthquakeHelp us collect information about the effect of the earthquake on Canterbury groundwater and irrigation supply. G. Dellow et al., ‘Landslides caused by the 22 February 2011 Christchurch earthquake and management of landslide risk in the immediate aftermath’, Bulletin of the New Zealand Society for Earthquake Engineering, vol. Help us collect information about the effect of the earthquake on Canterbury groundwater and irrigation supply, Youtube montage flyover of Canterbury fault trace, GNS Science seismologist Matt Gerstenberger talks to Radio New Zealand about Canterbury's earthquake risk: download the. In the weeks following the earthquake about 70,000 people were believed to have left the city due to uninhabitable homes, lack of basic services and continuing aftershocks. However, the lack of casualties was mainly due to New Zealand's strict building codes, which aim to ensure that buildings do not become deathtraps in a major quake. Over a quarter of the buildings in the central business district were demolished. On 22 February 2011, a 6.3 magnitude earthquake struck Christchurch shortly before 12:50pm at a shallow depth of four kilometres. On 22 February 2011, at 12:51 pm, Christchurch was struck by a magnitude 6.3 earthquake. Water pipes, roads, bridges, power lines, cell phone towers and ordinary phone lines were broken or damaged. [Editor’s note: This post was originally posted on Marie’s blog here.] The earthquake epicentre was near Lyttelton, just 10 kilometres south-east of Christchurch’s central business district. Scientists find rare mix of factors exacerbated Christchurch quake. A new video with Martin Reyners talking about the "Slap-down" effect with the Christchurch earthquake. Christchurch has been hit by hundreds of aftershocks since that earthquake, causing extensive damage and a handful of injuries, but no deaths. However, several thousand homes had to be demolished, and a large area of eastern Christchurch will probably never be reoccupied. Several aftershocks were reported, some registering at a 5.6 magnitude. Buildings have collapsed around Cathedral Square in downtown Christchurch. One hundred and eighty five people died as a result of the 22 February earthquake. The government activated its National Crisis Management Centre immediately and declared a national state of emergency the day after the quake. Marie Szamborski. Eileen McSaveney, 'Historic earthquakes - The 2011 Christchurch earthquake', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/historic-earthquakes/page-13 (accessed 20 October 2020), Story by Eileen McSaveney, published 12 Jun 2006, reviewed & revised 28 Mar 2011, updated 1 Nov 2017. Beyond Christchurch and Lyttelton. Image from Richard Jongens, Christchurch quake map link, from Paul Nicholls - University of Canterbury, GNS site - learning about earthquakes info. Electricity was restored to 75% of the city within three days, but water supplies and sewerage systems took several years to restore in some areas affected by liquefaction. Youtube - 70mins, Graphic shows two main Christchurch fault ruptures - 06/09/2011. The earthquake epicentre was near Lyttelton, just 10 kilometres south-east of Christchurch’s central business district. The 1929 Arthur’s Pass and Murchison earthquakes, The 2010 Canterbury (Darfield) earthquake, Personal stories of the 2010–11 Canterbury earthquakes, Personal stories of earthquakes since 1942, more about the 2011 Christchurch earthquake on NZHistory, Next: Page 14. GNS Science has started issuing a daily graphic showing the probability of strong earthquake shaking in the mid part of the South Island between Cheviot and Timaru and across to the west coast. The Chief Coroner determined that another four deaths were directly associated with the earthquake. Eastern sections of the city were built on a former swamp. The hidden fault that caused the February 2011 Christchurch earthquake - more information. Lives have been lost, people have been injured and properties have collapsed and been heavily damaged. The earthquake brought down many buildings previously damaged in the September 2010 earthquake, especially older brick and mortar buildings. Due to the shallow depth and the nearby metropolitan city of Christchurch, this earthquake became a tragedy for a lot of people. News Christchurch, New Zealand. We have been overwhelmed with responses from people willing to house our miniature seismometers. Satellite radar resultsSee the latest satellite radar results for the Darfield quake. GeoNet's rapid response seismic team respondsA short pictorial account of what happens when GeoNet's Rapid Response Seismic team go into the field. In the city centre ground accelerations were three to four times greater than those produced by the September 2010 earthquake. 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.

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