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2011 christchurch earthquake magnitude

2011 christchurch earthquake magnitude

The United States Geological Survey reported a magnitude of 6.0 Mw and a depth of 9 km (5.6 mi). [39] In all, experts estimated the earthquake would increase reconstruction costs in Christchurch by about NZ$6 billion (US$4.83 billion). 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. It was the middle of a working day and many people were at school or work, having lunch or running errands. [23] It caused damage to buildings and infrastructure alike, collapsing or otherwise destroying several homes. (This is 23:51 21 February UTC). [43] The Christchurch Arts Centre sustained similar damage, though it had been in a precarious state prior. Several aftershocks were reported, some registering at a 5.6 magnitude. Another tremor 5.0 ML struck the region two days later. 5 years ago | 19 views. [45] Lyttelton Port, a major harbour in the region, suffered additional damage from the tremors and underwent full engineering assessments. It was centred 11 km beneath the rural town of Darfield, on the Greendale fault, which was previously unidentified. M 6.2 Christchurch Tue, Feb 22 2011. Both earthquakes caused extensive liquefaction, associated ground deformation and severe damage to residential … [24] There were at least 46 injuries: falling debris struck several people, and two others were hospitalised in critical condition. Data from GNS Science, New Zealand. The event has led to the discovery of previously dormant geological faults across central-eastern South Island, in particular beneath regional plains and the adjacent seabed. 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. In February 2011 Christchurch was struck by a 6.3 magnitude earthquake which killed 185 people. Browse more videos. Before the Darfield earthquake there was little indication that this fault system existed and could result in large earthquakes. Earthquake aftermath footage - Christchurch Earthquake 23 December 2011 Disastrous Earthquakes. The city of Christchurch experienced a major earthquake centred south of the city; severe damage and casualties occurred. 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. [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. [5][25], In the wake of the earthquake, multiple phone lines were down, and scattered power outages affected about 54,000 households. 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.. 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. It was a 6.3 magnitude earthquake and the focus was very shallow at 4.99 kilometres deep. 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. Liquefaction happens when underground water in the soil comes to the s… Lives have been lost, people have been injured and properties have collapsed and been heavily damaged. | April 2010, Are yesterday's earthquakes tomorrow's disasters? The sequence of many thousands of aftershocks that followed the magnitude 7.1 Darfield earthquake of 3 September 2010. near Christchurch, South Island, New Zealand. 185 people from more than 20 countries died in the earthquake. Christchurch Earthquake 2011. 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). The spire of ChristChurch Cathedral has completely collapsed. 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). [48], In light of the possibility of aftershocks, police evacuated shopping malls and office buildings around the city. 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. Playing next. [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. This time it was often colleagues, classmates or complete strangers who comforted and help… 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. GNS Science is warning of more aftershocks in coming days as thousands of people face a night without power after magnitude 6.0 and 5.5 earthquakes rocked Christchurch. Due to the shallow depth and the nearby metropolitan city of Christchurch, this earthquake became a tragedy for a lot of people. The earthquake in February 2011 occurred at 12:51 p.m. and just 10 kilometers (6 miles) from the center of Christchurch. The earthquake’s epicentre was near Lyttelton, just 10 km south-east of Christchurch’s central business district. [49] At Christchurch International Airport, officials halted operations after the earthquake, but all flights resumed later that day. This map shows the earthquakes that occurred near Christchurch since September 3, 2010. The city of Christchurch experienced a major earthquake centred south of the city; severe damage and casualties occurred. [21], Focused only several kilometres below the surface, the earthquake resulted in significant shaking over a large portion of central-eastern South Island. Many aftershocks have been reported; the largest at 5.5 Mw. This article is written in New Zealand English , which has its own spelling conventions ( colour , realise , analyse ), and some terms that are used in it may be different or absent from Australian , British , and other varieties of English . On that day a magnitude 7.1 quake struck to the west of Christchurch. [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. Three years on from the earthquake The Feed's Patrick … 1 September 2010 earthquake. 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). Christchurch City lies 40 km east of Darfield, and was home to a population of approximately 370,000 at the time of the earthquake. This latest shock is much closer to the main population centre of Christchurch than the magnitude 7.1 earthquake that occurred on 3 September 2010, approximately 40 km west of the city, and caused significant damage. [46] The multi-story HSBC Tower shook considerably during the quake, but damage was limited to cracks and broken roof tiles. It was about 5 km underground. It has treated over 220 serious injuries so far, even though sometimes they were working by torchlight. Nearly 200 people died. Civil defence declared a category 3 emergency, … 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. Is earthquake activity related to the Moon or Sun? On 22 February 2011, at 12:51 pm (lunchtime), Christchurch was struck by a magnitude 6.3 earthquake. Before the Darfield earthquake there was little indication that this fault system existed and could result in large earthquakes. The quake was centred 10km south-east of the city at a depth of 5km. Magnitude 9.0–9.1 (M w ) undersea megathrust earthquake off the coast of Japan that occurred at 14:46 JST (05:46 UTC) on Friday 11 March 2011, with the epicentre approximately 70 km east of the Oshika Peninsula of Tōhoku and the hypocenter at an underwater depth of approximately 29 km. [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. Christchurch Earthquake 2011. | Independent, New Zealand earthquake: buildings failed when ground turned to liquid A news item involving 2011 Christchurch earthquake was featured on Wikipedia's Main Page in the In the news section on 22 February 2011. 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 | Sept 2010, Creating 'Virtual Seismometers' deep inside the Earth, Seismic interpretation of the Haiti earthquake, Near Christchurch, South Island, New Zealand. A personal view of the earthquake that happened in Christchurch on Feb 22, 2011 and the subsequent quakes thereafter. [GNS Science] Aftershock detection. Christchurch Earthquake 2011. [39][40] Despite its moderate magnitude, the preceding magnitude 5.6 ML tremor caused several two-story buildings at a road intersection to collapse.
The epicentre was 6 miles South East of Christchurch and the focus was very shallow at 3.1 miles. 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. 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. Kaiapoi is a town in the Waimakariri District of the Canterbury region, in the South Island of New Zealand. The aftershocks line up along a 100 kilometre fault zone that runs from west to east and extends into Christchurch itself. The study reported high levels of psychological distress but … [29], Strong ground motions caused many secondary effects, including gas leaks and widespread soil liquefaction. 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. A 'severe' 6.0 magnitude earthquake has hit off the south coast of New Zealand just two days after Christchurch was rocked by a powerful quake.. See more ideas about Christchurch, Earthquake, Christchurch new zealand. Christchurch Earthquake. 185 people died, 164 people were seriously injured and there was major, widespread damage. [6] In the city centre, two workers were brought to hospital after being rescued from a collapsed church. The government declared a state of national emergency, which stayed in force until 30 April 2011. 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 … Christchurch, New Zealand earthquake of 6.3 on 22nd February 2011 hi Time and again the dates have come true. Water pipes, roads, bridges, power lines, cell phone towers and ordinary phone lines were broken or damaged. The quake was centred 10km south-east of the city at a depth of 5km. Creating 'virtual seismometers' deep inside the Earth. 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). Authorities proposed to set up an outdoors emergency operations centre, as well as a public welfare centre to provide shelter to victims overnight. 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. Essential organisations in the area were evacuated as a safety precaution, including the police headquarters and offices of the Canterbury Earthquake Recovery Authority. M 6.2 Christchurch Tue, Feb 22 2011. The magnitude 6.2 earthquake was so devastating to Christchurch on Feb. 22, 2011, because it ruptured on a fault directly underneath the city, … Many parts of Christchurch lost water pressure, and residents were urged to be conservative in their water use.

It is possible that these initiatives were protective and prevented more significant adverse consequences being observed. 3 000 buildings in total were inspected, of that total 45% were deemed unsafe and were given a yellow or red sticker. The quake occurred near the city of Christchurch, a community of some 400,000 residents on the east coast. [34] Following a dramatic decline in event numbers, Vbase, a venue management company, disemployed 151 of its full-time staff. GeoNet staff deployed portable earthquake recorders to collect information on the rich aftershock sequence of the earthquake. 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.. [27] Consequently, sand boils emerged from asphalt roads, toppling a few cars and sinking another. The June earthquake affected roughly 400,000 people, most of whom may have experienced strong (MM VI) shaking. Note how the maximum values are clustered in Christchurch, close to the rupture, and fall away fairly quickly outside it. 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 was about 5 km underground. Concerns arose about the condition of previously damaged structures, and the 13 June earthquakes caused further distress among many victims. A news item involving 2011 Christchurch earthquake was featured on Wikipedia's Main Page in the In the news section on 22 February 2011. 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. 19 likes. The following morning, officials confirmed the death of an elderly man who had been knocked unconscious from a fall in his nursery home. The landforms of Sumner recorded intensified shaking due to the effects of its topographic setting. [9] This zone of deformation is now known to be expanding south and east into the Canterbury region. 185 people died as a result of the magnitude 6.3 earthquake that struck the Canterbury region on 22 February, 2011. 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. [33] In addition, the New Zealand dollar declined in the wake of the disaster, dropping by nearly 0.01 US dollar, or about 1.3%. 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 earthquake struck the city of Christchurch in New Zealand on 22 February 2011. 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. [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. Six-Storey Canterbury Television ( CTV ) building, which was previously unidentified country’s second largest city suffered... Extends into Christchurch itself [ 34 ] following a dramatic decline in event numbers, Vbase, major... Residential care facilities in Christchurch, the NZX 50 Index fell by 0.4 percent to its collapsed western wall and... Followed the magnitude … 185 people additional damage to many others which had been rendered beyond repair unsafe. Earthquake at 23:51 UTC on 21 February 2011, a 6.3 magnitude earthquake and nearby! 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The United States Geological Survey considered the earthquake an aftershock of the Christchurch... ] Consequently, sand boils 2011 christchurch earthquake magnitude from asphalt roads, toppling a few cars and sinking another people been! Along a 100 kilometre fault zone that runs from west to east and extends into itself. A fall in his nursery home but soon reopened to treat the injured strong... Miles ) from the center of Christchurch, the South Island, New Zealand residential care facilities Christchurch... The study reported high levels of psychological distress but reported considerable infrastructural damage Christchurch and the metropolitan.

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