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.. It was about 5 km underground. [53] Chief executives from the Commonwealth Bank sponsored an exclusive dinner in Sydney to raise money for rebuilding costs; an initial A$700,000 (US$660,000) was allocated prior to the event, with entry costs of A$10,000 (US$9,500) per ticket. This will show photo's from our earthquakes and to remember how Christchurch used to be and never forget those we lost. 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. The 6.3 magnitude earthquake - an aftershock of the 7.1 magnitude quake on September 4 - struck 20km southeast of Christchurch at around 1pm local time, with initial reports suggesting damage and fatalities far exceeding the initial quake. The Christchurch event occurred during the daytime, which increased the number of fatalities, and the buildings weren't designed for the level of shaking that occurred. The study reported high levels of psychological distress but … The damaged tower of the historic Lyttelton Timeball Station collapsed before dismantling work could be completed. “I thought we’d dodged a bullet with the Darfield earthquake,” says Bill. The June 2011 Christchurch earthquake was a shallow magnitude 6.0 M w earthquake that occurred on 13 June 2011 at 14:20 NZST (02:20 UTC).It was centred at a depth of 7 km (4.3 mi), about 5 km (3 mi) south-east of Christchurch, which had previously been devastated by a magnitude 6.2 M W earthquake in February 2011. [7] Owing to the interaction of the major Pacific and Australia Plates, much of the regional plate boundary along central South Island is characterised by land deformation. Browse more videos. [20] Despite significant energy release, the earthquakes were believed to have increased the risk of an additional aftershock of similar magnitude; calculations from GNS Science indicated a 23 percent probability of a magnitude 6.0–6.9 ML earthquake occurring in the Canterbury aftershock zone within the 12 months following the event. [21], Focused only several kilometres below the surface, the earthquake resulted in significant shaking over a large portion of central-eastern South Island. The magnitude 6.3 earthquake, that devastated Christchurch on 21 February 2011, is seen late in the sequence and occurred on a fault segment slightly further to the east. 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. The magnitude 6.2 earthquake was so devastating to Christchurch on Feb. 22, 2011, because it ruptured on a fault directly underneath the city, … [23] It caused damage to buildings and infrastructure alike, collapsing or otherwise destroying several homes. [42], Despite earlier renovation attempts, authorities were considering the complete demolition of the 130-year-old Christchurch Cathedral. Reports indicate that at least 154 people have been killed and many are still trapped under rubble as a result of buildings collapsing during the earthquake. A… The New Zealand defence forces have been called in to help move people out of the central business district.Fires were reported at the Canterbury Television (CTV… At least 65 people have died after a 6.3-magnitude earthquake struck Christchurch on New Zealand's South Island, Prime Minister John Key says, with fears that the toll will rise. Lives have been lost, people have been injured and properties have collapsed and been heavily damaged. The second (Christchurch) earthquake (Mw = 6.2) on 22 February 2011, caused by a thrust fault, affected the same region. [34] Following a dramatic decline in event numbers, Vbase, a venue management company, disemployed 151 of its full-time staff. South Island earthquakes: 3.4 magnitude near Christchurch, 5.0 magnitude in Fiordland 18 Apr, 2020 06:05 PM 4 minutes to read As of 3.40pm today, 6172 people had registered as feeling the earthquake. The earthquake was a direct result of strike-slip faulting at the eastern end of the rupture zone of a strong magnitude 6.2 MW earthquake, which occurred on 22 February 2011 along the Port Hills Fault. [18][19], Seismologists reported that the earthquakes were part of a prolonged aftershock sequence associated with the major magnitude 7.1 earthquake of September 2010, which includes the February 2011 event. Search and rescue went on for a long time. Many parts of Christchurch lost water pressure, and residents were urged to be conservative in their water use. near Christchurch, South Island, New Zealand. Data from GNS Science, New Zealand. On 22 February 2011, a 6.3 magnitude earthquake struck Christchurch shortly before 12:50pm at a shallow depth of four kilometres. Here is a … Nearly 200 people died. Outcome measurement was mostly undertaken between 19 and 26 days after the September earthquake. Another tremor 5.0 ML struck the region two days later. The magnitude 6.3 earthquake, that devastated Christchurch on 21 February 2011, is seen late in the sequence and occurred on a fault segment slightly further to the east. The magnitude 7.1 Mw event of 4 September 2010 produced by far the strongest ground motions ever recorded in the Canterbury region,[13] triggering a large number of aftershocks. It was the middle of a working day and many people were at school or work, having lunch or running errands. Kaiapoi is a town in the Waimakariri District of the Canterbury region, in the South Island of New Zealand. The magnitude 6.3 earthquake, that devastated Christchurch on 21 February 2011, is seen late in the sequence and occurred on a fault segment slightly further to the east. The severest of those events were the earthquake (magnitude from … [11] Another destructive magnitude 7.8 ML earthquake struck the region near Hawke's Bay on 3 February 1931; it is the deadliest earthquake recorded on the island to date, greatly affecting much of Napier and Hastings. [44] The tower of the historic Lyttelton Timeball Station, which endured damage from the February 2011 earthquake, collapsed before dismantling work on the building could be completed. Before the Darfield earthquake there was little indication that this fault system existed and could result in large earthquakes. GeoNet staff deployed portable earthquake recorders to collect information on the rich aftershock sequence of the earthquake. Christchurch Earthquake 2011. Since the European settlement, the largest on record was a magnitude 8.2 ML major earthquake that occurred on 23 January 1855 near the Wairarapa plains of the North Island. There was extensive damage as a result of … A three-month reconstruction project was scheduled to start in October 2011, with an estimated total cost of NZ$30 million (US$24 million). 185 people died as a result of the magnitude 6.3 earthquake that struck the Canterbury region on 22 February, 2011. Aftershocks since the magnitude 7.1 earthquake of 3 September 2010 until the magnitude 6.3 earthquake of 21 February 2011, Aftershocks since magnitude 6.3 earthquake of 21 February 2011 until 25 February 2011. 3 000 buildings in total were inspected, of that total 45% were deemed unsafe and were given a yellow or red sticker. 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 2011 Christchurch earthquake was a 6.3 magnitude earthquake which struck the South Island of New Zealand at 12:51 pm on 22 February 2011 NZT. Civil defence declared a category 3 emergency, … Essential organisations in the area were evacuated as a safety precaution, including the police headquarters and offices of the Canterbury Earthquake Recovery Authority. Most Cantabrians were away from their homes when the 6.3-magnitude earthquake struck at 12.51 p.m. on 22 February 2011. The June quake was preceded by a magnitude 5.9 ML tremor that struck the region at a slightly deeper 8.9 km (5.5 mi). Several smaller aftershocks followed. [37], Though the exact extent of the losses was unclear, the earthquake caused additional damage to many previously affected structures in Christchurch; around half of the buildings in the city centre had already damaged or destroyed by previous earthquakes. The eastern … [52] At Westpac Bank, a public donation account was opened in order to provide financial assistance for earthquake victims. In the North Island the displacement is mainly taken up along the Kermadec subduction zone, although the remaining dextral strike-slip component of the relative plate motion is accommodated by the North Island Fault System (NIFS). It was centred at a depth of 7 km (4.3 mi),[1] about 5 km (3 mi) south-east of Christchurch,[7] which had previously been devastated by a magnitude 6.2 MW earthquake in February 2011. The BGS detected a 6.3 Mw earthquake at 23:51 UTC on 21 February 2011 located This map shows the earthquakes that occurred near Christchurch since September 3, 2010. [47] Artifacts from the Canterbury Museum collection were thrown into disorder by the aftershocks, several days after reordering work following the February 2011 earthquake had been completed. On Tuesday 22nd of February 2011 there was a 6.3 magnitude earthquake at 12:51pm. The earthquake struck the city of Christchurch in New Zealand on 22 February 2011. [15] They were succeeded by multiple lighter aftershocks; the strongest, a moderate magnitude 5.1 ML struck a minute after the event. [29], Strong ground motions caused many secondary effects, including gas leaks and widespread soil liquefaction. [6] In the city centre, two workers were brought to hospital after being rescued from a collapsed church. Over half of the deaths occurred in the six-storey Canterbury Television (CTV) Building, which collapsed and caught fire in the earthquake. It was a 6.3 magnitude earthquake and the focus was very shallow at 4.99 kilometres deep. 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. At 12:51 p.m. local time on February 22, 2011 (11:51 p.m. February 21 UTC), a 6.3-magnitude earthquake struck the South Island of New Zealand, the U.S. Geological Survey (USGS) reported. [27] Dozens of dissatisfied residents were expected to move out of the city, and many others sought professional help for anxiety and depression-related issues. The city had been comparatively lucky with both the location and timing of the earlier magnitude 7.1 Darfield (Canterbury) earthquake; the location of this one however - within 10 km of the city and at a shallow depth of 5 km - during the middle of a working day resulted in destruction, injuries and deaths.. The Christchurch Earthquake (2011) Home; Causes ; Impacts ; Mitigation; References ; Casualties, Damages and Other Effects. Both earthquakes caused extensive liquefaction, associated ground deformation and severe damage to residential … Is earthquake activity related to the Moon or Sun? M 6.2 Christchurch Tue, Feb 22 2011. The earthquake in February 2011 occurred at 12:51 p.m. and just 10 kilometers (6 miles) from the center of Christchurch. At 12.51pm on Tuesday 22 February 2011, an earthquake (an aftershock following a large earthquake in September 2010) of Richter scale magnitude 6.3 (energy magnitude 6.7) struck the Christchurch region (depth 5km with its epicentre Lyttleton). [50][51], In the immediate aftermath of the earthquakes, the National Crisis Management Centre was activated through The Ministry of Civil Defence and Emergency Management to manage public response to the disaster;[49] hundreds of police officers were accordingly dispatched to patrol the city streets. It has treated over 220 serious injuries so far, even though sometimes they were working by torchlight. As had happened after the 4 September 2010quake, there was a lot of liquefaction. [GNS Science] Aftershock detection. The sequence of many thousands of aftershocks that followed the magnitude 7.1 Darfield earthquake of 3 September 2010. BGS seismologist Alice Walker and Dr David Kerridge discuss the aftershocks that followed the 7.1 Mw earthquake of 3 September 2010 that preceded the smaller, but more devastating, 6.3 Mw event of 21 February 2011. 185 people died as a result of the magnitude 6.3 earthquake that struck the Canterbury region on 22 February, 2011. Earthquake aftermath footage - Christchurch Earthquake 23 December 2011 Disastrous Earthquakes. Magnitude: M L 6.3 Casualties: 185 deaths Magnitude Range ≥ 3.0 ANSS Comcat ; Tectonic Summary The map shows the seismicity in the vicinity of Christchurch, New Zealand following the September 3, 2010, M7.0, Darfield earthquake (yellow circles) and the February 21, 2011, M6.3, Christchurch earthquake (orange circles). The earthquake downed phone lines and cut off power to 54,000 households. Playing next. Forty-six people suffered injuries, two of which critical, and one elderly man died after being knocked unconscious. Before the Darfield earthquake there was little indication that this fault system existed and could result in large earthquakes. The June quake was preceded by a magnitude 5.9 ML tremor that struck the region at a slightly deeper 8.9 km (5.5 mi). The February 22 2011 earthquake was in fact an aftershock of the M 7. The earthquake was felt as far away as New Plymouth and Invercargill. A devastating earthquake with a 6.3 magnitude Richter scale reading struck the city of Christchurch in February 2011, a sprawling metropolis and one of the more densely populated cities in New Zealand. In the South Island most of the relative displacement between these plates is taken up along a single dextral (right lateral) strike-slip fault with a major reverse component, the Alpine Fault. 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. Christchurch earthquake. [48], In light of the possibility of aftershocks, police evacuated shopping malls and office buildings around the city. Magnitude: M L 6.3; Casualties: 185 deaths; Damage to buildings in the central city, Christchurch. This time it was often colleagues, classmates or complete strangers who comforted and help… The 2011 Christchurch earthquake was a 6.3 magnitude earthquake which struck the South Island of New Zealand at 12:51 pm on 22 February 2011 NZT. Buildings have collapsed around Cathedral Square in downtown Christchurch. It was centred 11 km beneath the rural town of Darfield, on the Greendale fault, which was previously unidentified. The earthquake epicentre was near Lyttelton, just 10 kilometres south-east of Christchurch’s central business district. The eastern … Water pipes, roads, bridges, power lines, cell phone towers and ordinary phone lines were broken or damaged. Follow. [46] The multi-story HSBC Tower shook considerably during the quake, but damage was limited to cracks and broken roof tiles. | Sept 2010, Creating 'Virtual Seismometers' deep inside the Earth, Seismic interpretation of the Haiti earthquake, Near Christchurch, South Island, New Zealand. [27] Several days after the tremor, dislodged electrical wiring from the ongoing aftershocks sparked a small fire in a control panel at Christchurch Hospital. Emergency services remove a body from the destroyed CTV building in Christchurch, New Zealand, Thursday, February 24, 2011, after the city was hit by a 6.3 magnitude earthquake Tuesday. [39][40] Despite its moderate magnitude, the preceding magnitude 5.6 ML tremor caused several two-story buildings at a road intersection to collapse. It was centred at a depth of 7 km (4.3 mi), about 5 km (3 mi) south-east of Christchurch, which had previously been devastated by a magnitude 6.2 MW earthquake in February 2011. [52] A total of NZ$285,000 (US$230,000) was allocated for donations to nine charities, including NZ$40,000 (US$32,000) to both the Red Cross Christchurch earthquake appeal and the Canterbury Earthquake Appeal Salvation Army funds. (This is 23:51 21 February UTC). [5][25], In the wake of the earthquake, multiple phone lines were down, and scattered power outages affected about 54,000 households. [27] Consequently, sand boils emerged from asphalt roads, toppling a few cars and sinking another. [27] Officials ordered the precautionary closure of bridges in the area,[28] as one bridge had already succumbed to the strong shaking. M 6.2 Christchurch Tue, Feb 22 2011. Christchurch, the country’s second largest city, suffered widespread damage, particularly in the central city and eastern suburbs. The effects of the earthquake on the region's population and … 1:33. On 22 February 2011, at 12:51 pm, Christchurch was struck by a magnitude 6.3 earthquake. Christchurch Earthquake 2011. [38] Preliminary assessments found that over 100 additional buildings had been rendered beyond repair. The spire of ChristChurch Cathedral has completely collapsed. Contact Brian Baptie for further information. [32], The NZX 50 Index fell by 0.4 percent to its lowest level since 20 April. New Zealand lies along the boundary between the Australian and Pacific Plates. The earthquake … [41] Multiple hospitals and residential care facilities in Christchurch were left without essential services, and some even reported considerable infrastructural damage. Due to the shallow depth and the nearby metropolitan city of Christchurch, this earthquake became a tragedy for a lot of people. The United States Geological Survey reported a magnitude of 6.0 Mwan… The city’s central business district was severely hit with widespread building and infrastructural damage. [43] The Christchurch Arts Centre sustained similar damage, though it had been in a precarious state prior. Mon 21 Feb 2011 19.52 EST A strong 6.3-magnitude earthquake has struck the city of Christchurch on New Zealand's South Island, seriously injuring people and damaging buildings throughout the city. Beneath the northern and eastern Canterbury Plains, a series of active SW-NE trending thrust faults have been recognised, linked by W-E trending strike-slip faults that at least in part reactivate Cretaceous age extensional faults. 1 September 2010 earthquake. The damage in Christchurch was far more substantial than the damage caused in the 7.1 earthquake only 5 months before. It destroyed several structures and caused additional damage to many others which had been affected by previous earthquakes. 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.. Seismologists began to record the biggest tremor, a magnitude 6.3, on their equipment at 12:51 and 43 seconds local time (23:51:43 GMT) - right in the middle of Christchurch's day. [54], Mouslopoulou, V., Nicol, A., Little, T.A. The aftershocks line up along a 100 kilometre fault zone that runs from west to east and extends into Christchurch itself. The June 2011 Christchurch earthquake was a shallow magnitude 6.0 Mw earthquake that occurred on 13 June 2011 at 14:20 NZST (02:20 UTC). It had a magnitude of 6.3, though was officially classified—scientifically speaking—as an aftershock of the 2010 quake. [17] Weeks later, a magnitude 5.4 ML tremor jolted Christchurch overnight on 22 June, causing additional damage and prompting evacuations. Maximum ground motions registered at VIII (severe) on the Mercalli intensity scale in Christchurch, while strong shaking (MM VI) was felt in adjacent populated areas such as Rolleston and Lincoln. The quake occurred near the city of Christchurch, a community of some 400,000 residents on the east coast. [31] In some parts of the Heathcote Valley, previously dormant or non-existent natural springs surfaced because of a sudden rise in the water table, flooding some properties. Christchurch Hospital was evacuated due to damage in some areas, but soon reopened to treat the injured. [10], New Zealand has a history of earthquakes. The 10th anniversary of the February 2011 earthquake will be marked with a civic memorial service and a free concert featuring Bic Runga. Although similar aftershock sequences have historically occurred around the world, such occurrences were extremely unusual in the region, which had shown low levels of seismic activity for thousands of years. See more » Kaiapoi. Christchurch Earthquake 2011. The earthquake in February 2011 occurred at 12:51 p.m. and just 10 kilometers (6 miles) from the center of Christchurch. © UKRI document.write(new Date().getFullYear()), BGS geologist caught up in Christchurch earthquake, Environmental Baseline Monitoring in the Vale of Pickering, A Comparison of the Folkestone and Market Rasen Earthquakes, Seismogenesis and State of Stress in the UK, Monitoring Volcanic Eruptions Using Interferometry. Liquefaction happens when underground water in the soil comes to the s… [35] Nationwide, building consents tumbled considerably, further dropping by 4.5% in the wake of the aftershock. The reason why many scientists suggest that the 2011 Christchurch was an earthquake on its own is that it occurred on a different fault line to the 2010 Christchurch earthquake. The June quake was preceded by a magnitude 5.9 M L tremor that … (This is 23:51 21 February UTC). [31] Months before the event, a severe magnitude 6.2 earthquake occurred in a similar area adjacent to Christchurch, causing widespread destruction and fatalities in the city. 02/22/2011 10:16 am ET Updated May 25, 2011 New Zealand Earthquake 2011: Christchurch In Ruins After 6.3-Magnitude Temblor At least 65 people have died after a massive earthquake toppled churches and tall buildings in one of New Zealand's biggest cities. New Zealand earthquake: Depth and location key | BBC News, The unknown fault that caught out Christchurch | New Scientist, Analysis: Latest aftershock was made worse by its shallow depth | Scotsman, Seismologists blame Christchurch disaster on new fault On that day a magnitude 7.1 quake struck to the west of Christchurch. The June 2011 Christchurch earthquake was a shallow magnitude 6.0 Mw earthquake that occurred on 13 June 2011 at 14:20 NZST (02:20 UTC). Many aftershocks have been reported; the largest at 5.5 Mw. A moment magnitude (M w) 6.2 earthquake struck beneath the outer suburbs of Christchurch, New Zealand's second largest city, on 22 February 2011 local time.The Christchurch earthquake was the deadliest in New Zealand since the 1931 M w 7.8 Hawkes Bay earthquake and the most expensive in New Zealand's recorded history. In the first week, the earthquake had generated more than 361 aftershocks the largest aftershock occurred only 2 hours after the main shock which had a magnitude of 5.9. The building had become structurally compromised due to its collapsed western wall, and the strong vibrations had shattered its stained glass rose window. The following morning, officials confirmed the death of an elderly man who had been knocked unconscious from a fall in his nursery home. It had a magnitude of 6.3, though was officially classified—scientifically speaking—as an aftershock of the 2010 quake. [36] The earthquake's impact extended beyond national grounds; in light of its occurrence, Insurance Australia Group reported a net claim loss of A$65 million (US$61.5 million). Christchurch Earthquake. [45] Lyttelton Port, a major harbour in the region, suffered additional damage from the tremors and underwent full engineering assessments. [GNS Science] Car trapped by liquefaction in Ferrymead, Christchurch. & Walsh, J.J. (2007). A magnitude 7.1 earthquake struck the Canterbury Region of New Zealand at 4:35 am on 4 September 2010. An earthquake occurred in Christchurch on 22 February 2011 at 12:51 p.m. local time (23:51 21 February UTC) and registered 6.3 on the Richter scale. [49] At Christchurch International Airport, officials halted operations after the earthquake, but all flights resumed later that day. [15] The June earthquake was preceded by a magnitude 5.9 ML tremor with a similar focal mechanism that struck 1 hour and 20 minutes earlier. On 22 February 2011, at 12:51 pm (lunchtime), Christchurch was struck by a magnitude 6.3 earthquake. In the ten minutes after it hit, there were 10 aftershocks of magnitude 4 or more. [9] This zone of deformation is now known to be expanding south and east into the Canterbury region. Christchurch City lies 40 km east of Darfield, and was home to a population of approximately 370,000 at the time of the earthquake. A devastating earthquake with a 6.3 magnitude Richter scale reading struck the city of Christchurch in February 2011, a sprawling metropolis and one of the more densely populated cities in New Zealand. On the 23 February, the day after the recent Christchurch earthquake, I had the opportunity to travel to Christchurch to spend two weeks with the New Zealand Red Cross, documenting the work of staff and volunteers as they assisted with search and rescue, and recovery operations in the wake of the magnitude 6.3 earthquake. Mon 21 Feb 2011 19.52 EST A strong 6.3-magnitude earthquake has struck the city of Christchurch on New Zealand's South Island, seriously injuring people and damaging buildings throughout the city. The earthquake’s epicentre was near Lyttelton, just 10 km south-east of Christchurch’s central business district. 185 people died, 164 people were seriously injured and there was major, widespread damage. | Independent, New Zealand earthquake: buildings failed when ground turned to liquid [8] A group of dextral strike-slip structures, known as the Marlborough Fault System, transfer displacement between the mainly transform and convergent type plate boundaries in a complex zone at the northern end of the South Island. Restoration costs in Christchurch following the February earthquake were estimated to increase by NZ$6 billion (US$4.8 billion) because of the additional damage from this event. Nearly 200 people died. Are yesterday's earthquakes tomorrow's disasters?
2020 2011 christchurch earthquake magnitude