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==Impact==
==Impact==
[[Image:2008 330077 0a4a0324.jpg|photo taken at 53:19.1510N 0:19.0543W (near the epicentre) in 2007|thumb]]
Police in the [[Midlands#English Midlands|Midlands]] received over 5000&nbsp;telephone calls in an hour from members of the public regarding the earthquake.<ref name="times"/> The earthquake caused [[power outage|power cuts]] in some areas.<ref name="times"/>
The earthquake resulted in structural damage to many homes and businesses in the epicentral area.<ref name="BGS-FE"/><ref name="bbc"/><ref name="guardian">{{citeweb | title=England shakes as 5.2 quake strikes | publisher=''[[The Guardian]]'' | date=2008-02-27 | url=http://www.guardian.co.uk/uk/feedarticle/7340190 | accessdate=2008-02-27}}</ref> Buildings as large as apartment blocks were reported to have shaken for up to 30 seconds afterwards.<ref name="times"/> Birds and pets became highly agitated.<ref name="et"/> There were no deaths, but a 19 year old man in [[Barnsley]] suffered a broken pelvis when a chimney fell onto his bed,<ref name="">{{cite web |title=UK rocked by strongest earthquake in over 20 years |publisher=''TV3 New Zealand'' |date=2008-02-27 |url=http://www.tv3.co.nz/News/Story/tabid/209/articleID/47542/cat/41/Default.aspx |accessdate=2008-02-27}}</ref><ref>{{cite web |title=Pics Of Biggest Tremor In 25 Years |url=http://video.news.sky.com/skynews/video/?&videoSourceID=1307082&flashURL=/feeds/skynews/latest/flash/earthquake_bundock_0600.flv |publisher=[[Sky News]] |first=Laura |last=Bundock |date=2008-02-27}}</ref> and one elderly man received minor injuries to his leg when a chimney collapsed and fell through his bedroom ceiling at his home in [[Wombwell]] in [[South Yorkshire]].<ref name="bloomberg">{{citeweb | first=Karl | last=Lundgren | title=England Hit by 5.2 Quake, Biggest in U.K. Since 1984 | publisher=[[Bloomberg News]] | date=2008-02-27 | url=http://www.bloomberg.com/apps/news?pid=20601087&sid=aQxSlJWCLDH8&refer=home | accessdate=2008-02-27}}</ref><ref name="bbc">{{citeweb | title=Earthquake hits much of England | publisher=[[BBC]] | url=http://news.bbc.co.uk/1/hi/england/7266136.stm | date=2008-02-27 | accessdate=2008-02-27}}</ref> The earthquake was felt by people as far south as [[Hampshire]], where the earthquake was felt as a mild but noticeable vibration, and as far away as [[Bangor, Northern Ireland]] where it woke sleeping people.<ref name="et"/><ref name="bbc"/> Police in the [[Midlands#English Midlands|Midlands]] received over 5000&nbsp;telephone calls in an hour from members of the public regarding the earthquake.<ref name="times"/> The earthquake caused [[power outage|power cuts]] in some areas.<ref name="times"/>


===Magnitude===
===Magnitude===

Revision as of 19:26, 27 February 2008

2008 Lincolnshire Earthquake
UTC time??
Magnitude5.2 ML
Depth5.0 kilometres (3 mi)
Epicenter53°25′N 0°21′W / 53.42°N 0.35°W / 53.42; -0.35
Areas affected United Kingdom
Casualties2 reported so far; 0 fatalities

The 2008 Lincolnshire Earthquake struck the United Kingdom on 27 February 2008. According to the British Geological Survey, the quake, which occurred at 00:56:45 GMT,[1] registered a reading of 5.2 on the Richter scale[1][2][3][4][5] and was centred about 2.5 miles (4Km) north of Market Rasen.[6][7] Various sources give the duration of the earthquake as between 10 and 30 seconds.[7] The focus has been estimated at a depth of 2 to 16 km,[1][2][4] typical of the majority of earthquakes.

The tremors were felt across a wide area of England and Wales, from Hampshire in the south, to Newcastle-upon-Tyne in the north, Wiltshire in the south west and as far west as Swansea, with the effects being strongest around the epicentre in Lincolnshire.[8] Structural damage has been recorded in some areas, including two cases where chimneys have collapsed and injured residents.

The tremor is of a larger magnitude than that of the 2002 Dudley earthquake, an incident which registered as 4.7 on the Richter Scale, making it the largest earthquake to affect the UK since the 1984 Lleyn Peninsula earthquake, which measured 5.4.[9]

Shortly following the earthquake the U.S. Geological Survey and the British Geological Survey advised aftershocks were likely, although in a live interview later on a USGS spokesman stated it was highly unlikely an aftershock would occur. The first aftershock was recorded less than two hours after the initial quake at a magnitude of 1.8.[10]

Location

The British Geological Survey stated that the epicentre of the earthquake was 4 kilometres (2 mi) north of Market Rasen and 24 kilometres (15 mi) south-west of Grimsby, at 53°25′08″N 0°21′14″E / 53.419°N 0.354°E / 53.419; 0.354. A preliminary report from the BGS stated that the earthquake occurred at a depth of 1.8 kilometres (1.1 mi),[6] although this was later updated to 5 kilometres (3 mi).[11]

Cause

Further information: Post-glacial rebound

The earthquake happened because of movement of a fault that is at a depth of 15 kilometres (9 mi) beneath Lincolnshire.[12] Unlike most regions, earthquakes in Northern Europe are intraplate earthquakes, meaning they are not linked to tectonic plate boundaries. In the UK these intraplate earthquakes are thought to be driven by post-glacial rebound.

Impact

photo taken at 53:19.1510N 0:19.0543W (near the epicentre) in 2007

The earthquake resulted in structural damage to many homes and businesses in the epicentral area.[11][13][14] Buildings as large as apartment blocks were reported to have shaken for up to 30 seconds afterwards.[7] Birds and pets became highly agitated.[15] There were no deaths, but a 19 year old man in Barnsley suffered a broken pelvis when a chimney fell onto his bed,[16][17] and one elderly man received minor injuries to his leg when a chimney collapsed and fell through his bedroom ceiling at his home in Wombwell in South Yorkshire.[18][13] The earthquake was felt by people as far south as Hampshire, where the earthquake was felt as a mild but noticeable vibration, and as far away as Bangor, Northern Ireland where it woke sleeping people.[15][13] Police in the Midlands received over 5000 telephone calls in an hour from members of the public regarding the earthquake.[7] The earthquake caused power cuts in some areas.[7]

Magnitude

The British Geological Survey gave the earthquake a preliminary reading of 5.2 on the Richter scale,[11] while the United States Geological Survey reported it measured 4.7 on the Richter scale based on initial measurements.[15][1] The French Atomic Energy Commission estimated the magnitude was 5.4 on the Richter scale.[19][20]

Aftershocks

An aftershock measuring 1.8 on the Richter scale was reportedly recorded by the BGS at 04:00 GMT,[13] although the BGS itself reported the time of aftershock as being 02:46:06.4 GMT.[21]

Significance

It was the largest earthquake in the UK since the 1984 Lleyn Peninsula earthquake, which was magnitude 5.4.[13] The BGS described the earthquake as an "extremely large earthquake in UK terms but not large in world terms".[7]

Seismicity in the United Kingdom from 1990 to 2008-02-27

See also

References

  1. ^ a b c d "Magnitude 4.7 - ENGLAND, UNITED KINGDOM". U.S. Geological Survey. Retrieved 27 February. {{cite web}}: Check date values in: |accessdate= (help); External link in |work= (help); Unknown parameter |accessyear= ignored (|access-date= suggested) (help) Cite error: The named reference "usgs" was defined multiple times with different content (see the help page).
  2. ^ a b "Magnitude 4.9 - ENGLAND, UNITED KINGDOM". European-Mediterranean Seismological Centre. Retrieved 27 February. {{cite web}}: Check date values in: |accessdate= (help); External link in |work= (help); Unknown parameter |accessyear= ignored (|access-date= suggested) (help)
  3. ^ Earth tremor felt across England, BBC News, and BGS spokesman interviewed on “Up All Night”, BBC Radio 5 Live (magnitude 5.1)
  4. ^ a b BGS Earthquake page (magnitude 5.2)
  5. ^ Seismic alert, French commission on Atomic Energy (magnitude 5.4)
  6. ^ a b "Location Map, Seismogram and Preliminary Parameters of this morning's earthquake" (PDF). British Geological Survey. 2008-02-27. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  7. ^ a b c d e f Yeoman, Fran (2008-02-27). "Earthquake hits Britain, 5.3 magnitude". The Times. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  8. ^ O'Connor, Gavin (2008-02-27). "Quake tremors are felt in city". South Wales Echo. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  9. ^ "Lincolnshire earthquake "one of biggest ever"". Lincolnshire Echo. Retrieved 2008-02-27. {{cite web}}: Cite has empty unknown parameter: |origmonth= (help)
  10. ^ First aftershock, information page by BGS
  11. ^ a b c "England hit by earthquake" (PDF). British Geological Survey. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  12. ^ Holmes (2008-02-27). "What caused earthquake to strike?". Sky News. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help); More than one of |author= and |last= specified (help)
  13. ^ a b c d e "Earthquake hits much of England". BBC. 2008-02-27. Retrieved 2008-02-27.
  14. ^ "England shakes as 5.2 quake strikes". The Guardian. 2008-02-27. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  15. ^ a b c Kossof, Julian (2008-02-27). "Earthquake hits UK". The Daily Telegraph. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  16. ^ "UK rocked by strongest earthquake in over 20 years". TV3 New Zealand. 2008-02-27. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  17. ^ Bundock, Laura (2008-02-27). "Pics Of Biggest Tremor In 25 Years". Sky News.
  18. ^ Lundgren, Karl (2008-02-27). "England Hit by 5.2 Quake, Biggest in U.K. Since 1984". Bloomberg News. Retrieved 2008-02-27.
  19. ^ "Alerte Sismique". Commissariat à L'Energie Atomique (CEA). 2008-02-27. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  20. ^ "Dernier événement sismique enregistré dans la zone Euro-Méditerranéenne". Commissariat à l'énergie atomique (CEA). 2008-02-27. Retrieved 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  21. ^ "Market Rasen, Lincs". British Geological Survey. 2008-02-27. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help); Unknown parameter |acessdate= ignored (|access-date= suggested) (help)
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