Back زلزال كانتربيري 2010 Arabic Землетрасенне ў Кентэрберы (2010) BE Terratrèmol de Canterbury de 2010 Catalan Jordskælvet i Christchurch 2010 Danish Darfield-Erdbeben von 2010 German Terremoto de Christchurch de 2010 Spanish زمین‌لرزه ۲۰۱۰ کانتربری FA Canterburyn maanjäristys 2010 Finnish Séisme de 2010 en Nouvelle-Zélande French 2010-es canterburyi földrengés Hungarian

2010 Canterbury earthquake

2010 Canterbury earthquake
2010 Canterbury earthquake is located in New Zealand
Christchurch
Christchurch
Wellington
Wellington
2010 Canterbury earthquake
UTC time2010-09-03 16:35:47
ISC event15155483
USGS-ANSSComCat
Local date4 September 2010 (2010-09-04)
Local time04:35 NZST
Magnitude7.1 Mw[1][2]
Depth10 km (6.2 mi)[2]
Epicentre43°33′S 172°11′E / 43.55°S 172.18°E / -43.55; 172.18
near Darfield, Canterbury
Areas affectedNew Zealand
Max. intensityMMI X (Extreme)[3]
Peak acceleration1.26 g[4]
Aftershocks~17,600 (as of early August 2016)[5]
Casualties2 dead, over 1,700 injured[6]

The 2010 Canterbury earthquake (also known as the Darfield earthquake)[7] struck the South Island of New Zealand with a moment magnitude of 7.1[1][2] at 4:35 am local time on 4 September, and had a maximum perceived intensity of X (Extreme) on the Mercalli intensity scale.[1] Some damaging aftershocks followed the main event, the strongest of which was a magnitude 6.3 shock known as the Christchurch earthquake that occurred nearly six months later on 22 February 2011.[8] Because this aftershock was centred very close to Christchurch, it was much more destructive and resulted in the deaths of 185 people.[9]

The earthquake on 4 September caused widespread damage and several power outages, particularly in the city of Christchurch, New Zealand's second largest city at that time.[10][11] Two residents were seriously injured, one by a collapsing chimney and a second by flying glass.[10][12] At least two people died and over 1,700 were injured.[13][6] Mass fatalities were avoided partly due to there being few houses of unreinforced construction, although this was also aided by the quake occurring during the early hours of the morning when most people were off the street.[14][15]

The earthquake's epicentre was 40 kilometres (25 mi) west of Christchurch, close to the town of Darfield.[16] The hypocentre was at a depth of 10 km.[1] A foreshock of roughly magnitude 5.8 hit five seconds before the main quake,[17] and strong aftershocks were reported,[10][18] up to magnitude 5.4.[19] The quake was felt as lasting up to 40 seconds,[11] and was felt widely across the South Island, and in the North Island as far north as New Plymouth.[20] As the epicentre was on land away from the coast, no tsunami occurred.[16]

The National Crisis Management Centre in the basement of the Beehive in Wellington was activated, and Civil Defence declared a state of emergency for Christchurch, the Selwyn District, and the Waimakariri District, while Selwyn District, Waimakariri and Timaru activated their emergency operation centres.[21] Initially, a curfew was established for parts of Christchurch Central City from 7 pm to 7 am in response to the earthquake. The New Zealand Army was deployed to the worst affected areas in Canterbury.[12]

Insurance claims totalled between NZ$2.75 and $3.5 billion,[22] although it is unclear how much cost can be attributed to each of the earthquake events in the 2010–2011 Canterbury earthquake sequence. The total estimated damage bill was up to $40 billion, making it the fifth-biggest insurance event in the world since 1953.[23]

  1. ^ a b c d "New Zealand earthquake report – Sep 4, 2010 at 04:35 (NZST)". GeoNet. 4 September 2010. Archived from the original on 5 September 2010. Retrieved 4 September 2010.
  2. ^ a b c "Magnitude 7.0 – South Island of New Zealand: Details". United States Geological Survey. 3 September 2010. Archived from the original on 5 September 2010. Retrieved 3 September 2010.
  3. ^ "Canterbury Quake Live". Archived from the original on 25 August 2011. Retrieved 15 June 2011.
  4. ^ Cite error: The named reference HCarter was invoked but never defined (see the help page).
  5. ^ "Canterbury Quake live". Archived from the original on 19 September 2012. Retrieved 6 January 2012.
  6. ^ a b Abeling, S.; Horspool, N.; Johnston, D.; Dizhur, D.; Wilson, N.; Clement, C.; Ingham, J. (2020). "Patterns of earthquake-related mortality at a whole-country level: New Zealand, 1840–2017". Earthquake Spectra. 36 (1): 138–163. Bibcode:2020EarSp..36..138A. doi:10.1177/8755293019878190. S2CID 203996710.
  7. ^ Quigley, M.; Dissen, R. Van; Litchfield, N.; Villamor, P.; Duffy, B.; Barrell, D.; Furlong, K.; Stahl, T.; Bilderback, E. (2012). "Surface rupture during the 2010 Mw 7.1 Darfield (Canterbury) earthquake: Implications for fault rupture dynamics and seismic-hazard analysis". Geology. 40 (1): 55–58. Bibcode:2012Geo....40...55Q. doi:10.1130/G32528.1. ISSN 0091-7613.
  8. ^ Cite error: The named reference 6.3 quake was invoked but never defined (see the help page).
  9. ^ "Christchurch quake latest updates". New Zealand: Stuff. 1 March 2011. Archived from the original on 28 February 2011. Retrieved 1 March 2011.
  10. ^ a b c "Massive 7.4 quake hits South Island". New Zealand: Stuff. 3 September 2010. Archived from the original on 6 September 2010. Retrieved 3 September 2010.
  11. ^ a b "Strong earthquake rocks New Zealand's South Island". BBC News. 3 September 2010. Archived from the original on 3 September 2010. Retrieved 3 September 2010.
  12. ^ a b Cite error: The named reference curfew was invoked but never defined (see the help page).
  13. ^ "September 2010 Canterbury (Darfield) earthquake". Archived from the original on 24 October 2021. Retrieved 24 October 2021.
  14. ^ "Strict codes behind 'miracle'". The Straits Times. Singapore. 5 September 2010. Archived from the original on 8 September 2010. Retrieved 7 September 2010.
  15. ^ Cite error: The named reference Few casualties was invoked but never defined (see the help page).
  16. ^ a b "M 7.2 Darfield (Canterbury) Sat, Sep 4 2010: Story". GeoNet. Archived from the original on 18 April 2023. Retrieved 19 June 2019.
  17. ^ "Canterbury earthquake really three quakes?". New Zealand: Stuff. New Zealand Press Association. 4 September 2010. Archived from the original on 7 September 2010. Retrieved 27 September 2010.
  18. ^ Kanalley, Craig (3 September 2010). "New Zealand Earthquake 2010: Strong Quake Shakes Christchurch". HuffPost. Archived from the original on 5 September 2010. Retrieved 3 September 2010.
  19. ^ "New Zealand Earthquake Report – Sep 4 2010 at 4:55 pm (NZST)". GeoNet. 4 September 2010. Archived from the original on 7 September 2010. Retrieved 4 September 2010.
  20. ^ Van Der Heide, Maike (4 September 2010). "Marlborough, Kaikoura escape worst of quake". The Marlborough Express. Archived from the original on 5 September 2010. Retrieved 4 September 2010.
  21. ^ "Latest updates: Canterbury earthquake". TVNZ. Archived from the original on 6 September 2010. Retrieved 4 September 2010.
  22. ^ Benett, Adam (2 March 2011). "could deal with another big one". The New Zealand Herald. Archived from the original on 24 March 2012. Retrieved 2 March 2011.
  23. ^ "Four years on: Insurance and the Canterbury Earthquakes" (PDF). Deloitte Access Economics. February 2015. Archived from the original (PDF) on 24 January 2016. Retrieved 29 February 2016.

2010 Canterbury earthquake

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