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|                                                                                                                             | sentence                                                                                                                                                                                                                                                                       |
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| ('theguardian.com/business/2013/aug/07/fracking-boss-tremors-resistance-public-tory-mps', 4)                                | ( Cuadrilla 's test fracking was thought to cause a >>>2.3-magnitude earthquake near Blackpool<<< . )                                                                                                                                                                          |
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| ('theguardian.com/business/2016/sep/17/ineos-ohio-frackers-drilling-soon-in-britain', 25)                                   | There has been no fracking in the UK since 2011 , when Cuadrilla Resources ' operations were said to be a >>>" highly probable " cause<<< of two earth tremors in northwest England .                                                                                          |
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| ('theguardian.com/environment/2013/dec/14/fracking-hell-live-next-shale-gas-well-texas-us', 127)                            | In April 2011 , >>>two small earthquakes and dozens of aftershocks occurred when Cuadrilla Resources<<< drilled its first well in Weeton , Lancashire .                                                                                                                        |
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| ('theguardian.com/environment/2014/feb/04/cuadrilla-two-new-lancashire-fracking-sites-shale-gas', 2)                        | Cuadrilla is not currently fracking at any of these sites owing to setbacks including >>>small earth tremors caused by the drilling<<< , and concerns over migrating birds .                                                                                                   |
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| ('theguardian.com/environment/2014/oct/23/council-planners-delay-cuadrillas-application-for-lancashire-fracking-sites', 8)  | An independent report by experts >>>later concluded<<< the drilling was the probable cause of the tremors but it was due to an " unusual combination of geology " at the well site and was unlikely to be repeated .                                                           |
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| ('theguardian.com/environment/2015/jan/19/uk-shale-gas-revolution-falls-flat-just-11-new-wells-planned-2015', 16)           | It was banned temporarily in 2011 after a test well >>>caused a minor earthquake near Blackpool<<< .                                                                                                                                                                           |
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| ('theguardian.com/environment/2015/jul/03/nanas-shale-cuadrilla-fracking-lancashire', 35)                                   | A team of European seismic experts had concluded it was >>>highly probable<<< that the two main tremors – magnitude 2.3 and 1.5 , plus aftershocks – were caused by Cuadrilla 's drilling operations at the Preese Hall-1 well in Lancashire .                                 |
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| ('theguardian.com/environment/2015/jul/03/people-power-has-shut-the-doors-on-fracking-in-the-uk', 38)                       | That site has been closed since it >>>was found to have caused a small earthquake<<< .                                                                                                                                                                                         |
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| ('theguardian.com/environment/2015/jun/24/lancashire-county-council-defers-fracking-decision', 27)                          | Fracking was suspended in the UK in 2011 following >>>minor earthquakes in Blackpool where Cuadrilla previously drilled<<< , with the suspension only lifted at the end of 2012 .                                                                                              |
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| ('theguardian.com/environment/2015/sep/09/uk-experiences-three-earthquakes-a-year-due-to-human-activity-study-says', 1)     | Most of the tremors in recent decades resulted from coal mining , but fracking exploration >>>caused two small earthquakes in 2011<<< .                                                                                                                                        |
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| ('theguardian.com/environment/2015/sep/09/uk-experiences-three-earthquakes-a-year-due-to-human-activity-study-says', 16)    | In 2011 , >>>Cuadrilla 's exploration at Preese Hall in Lancashire , led to a 2.3 magnitude earthquake<<< , followed two months later by a second earthquake .                                                                                                                 |
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| ('theguardian.com/environment/2016/oct/06/fracking-gas-uk-better-importing-cuadrilla-boss-francis-egan', 17)                | The process has been mired in controversy since it hit the headlines in 2011 for >>>causing two minor earthquakes<<< in Lancashire , prompting a temporary ban on fracking in the UK .                                                                                         |
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| ('theguardian.com/environment/2017/aug/29/campaigners-launch-last-ditch-appeal-to-stop-fracking-in-lancashire', 6)          | It would be the first fracking in Britain since 2011 , when tests near Blackpool were established to be the >>>likely cause of tremors of a magnitude 2.3<<< .                                                                                                                 |
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| ('theguardian.com/environment/2017/aug/30/javid-misunderstood-planning-policies-in-approving-fracking-site-court-hears', 7) | It would be the first fracking operations in Britain since 2011 , when tests near Blackpool were established to be the >>>likely cause of tremors of magnitude 2.3<<< .                                                                                                        |
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| ('theguardian.com/environment/2017/jul/05/inquiry-fracking-blackpool-tremors', 1)                                           | Scientists will investigate how fracking can affect drinking water and its role in earthquake tremors of the kind >>>caused by shale gas operations near Blackpool<<< , as part of a taxpayer-funded £ 8m research project .                                                   |
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| ('theguardian.com/environment/2017/jul/16/lancashire-anti-fracking-protest-camp-cuadrilla', 25)                             | Cuadrilla is racing its rival , Third Energy , which has a site in Kirby Misperton , North Yorkshire , to be the first gas exploration company to frack since a moratorium was imposed following an >>>earthquake<<< on the Fylde coast during earlier test drilling in 2011 . |
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| ('theguardian.com/environment/2018/apr/03/fracking-cuadrilla-milestone-completing-horizontal-well-lancashire', 1)           | Cuadrilla said the development was a " major milestone " towards the first shale gas exploration in the UK since 2011 , when >>>work was halted after it triggered a minor earthquake<<< .                                                                                     |
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| ('theguardian.com/environment/2018/apr/27/fracking-south-korean-earthquake', 15)                                            | Two earthquakes in 2011 led to the >>>UK imposing a fracking moratorium<<< .                                                                                                                                                                                                   |
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| ('theguardian.com/environment/2018/dec/11/fracking-blackpool-tremor-cuadrilla', 2)                                          | The minor earthquake was not only the biggest yet but was on a par with >>>one in 2011 that led to a<<< >>>moratorium on fracking<<< .                                                                                                                                         |
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| ('theguardian.com/environment/2018/jun/01/cuadrilla-secures-new-injunction-against-fracking-protesters', 11)                | Not a single well has been fracked in the UK since 2011 , when work was halted >>>after it triggered a minor earthquake<<< .                                                                                                                                                   |
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| ('theguardian.com/environment/2018/nov/01/minor-earthquakes-emerge-uk-major-fracking-threat-lancashire', 43)                | That would result in 1.5-magnitude tremors , the same level as >>>one of the quakes in 2011<<< when Cuadrilla fracked at its Preese Hall site in Lancashire .                                                                                                                  |
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| ('theguardian.com/environment/2018/oct/09/uk-fracking-rules-on-earthquakes-could-be-relaxed-says-minister', 2)              | A series of small tremors >>>seven years ago<<< prompted tough regulations that mean even very low levels of seismic activity now require companies to suspend fracking .                                                                                                      |
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| ('theguardian.com/environment/2018/oct/12/anti-fracking-campaigner-loses-legal-bid-to-block-cuadrilla', 41)                 | Cuadrilla 's well will be the first to be fracked since one in 2011 , >>>which triggered minor earthquakes<<< and led to a moratorium and stronger regulations .                                                                                                               |
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| ('theguardian.com/environment/2018/oct/15/fracking-in-uk-what-is-it-and-why-is-it-controversial', 20)                       | It has been linked with small earthquakes such as those >>>that took place in<<< >>>Lancashire in 2011<<< , triggering a moratorium on the technique and ushering in tighter regulations .                                                                                     |
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| ('theguardian.com/environment/2018/oct/15/fracking-protesters-blockade-cuadrilla-site-where-uk-work-due-to-restart', 40)    | Cuadrilla first began fracking on the Fylde coast seven years ago , but suspended operations after a series of >>>small tremors<<< .                                                                                                                                           |
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| ('theguardian.com/environment/2018/oct/19/seven-years-of-protest-inside-the-fracking-resistance-photo-essay', 9)            | However , it did frack its Preese Hall site in the spring of 2011 , >>>leading to<<< >>>earthquakes<<< .                                                                                                                                                                       |
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| ('theguardian.com/environment/2018/oct/26/cuadrilla-forced-to-stop-fracking-as-quake-breaches-threshold', 23)               | Today 's 0.8-magnitude event was around 200 times smaller than >>>a 2.3-magnitude one caused by fracking in 2011<<< .                                                                                                                                                          |
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| ('theguardian.com/environment/2018/oct/27/fracking-second-tremor-little-plumpton-uk-cuadrilla-blackpool', 11)               | The 0.8-magnitude event was about 200 times smaller than >>>the 2.3-magnitude<<< >>>tremor recorded in 2011<<< that led to fracking being suspended .                                                                                                                          |
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| ('theguardian.com/environment/2019/may/08/we-are-hammering-the-last-nail-in-the-coffin-of-the-fracking-industry', 9)        | Then there was a series of small earthquakes >>>caused by fracking near Blackpool by a firm called Cuadrilla<<< .                                                                                                                                                              |
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| ('theguardian.com/environment/2019/oct/13/dont-frack-with-us-the-vivtorious-nanas-of-lancashire-activism', 22)              | >>>The earthquakes<<< were the first time I heard about the Preston New Road site , and I lost a lot of sleep .                                                                                                                                                                |
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| ('theguardian.com/uk-news/2017/dec/27/anti-fracking-tea-lady-vows-to-fight-order-to-move-catering-van', 23)                 | The gas exploration company Third Energy expects to begin test fracking at the site in the new year – the first such drilling in England since 2011 , when >>>minor earthquakes occurred in Lancashire<<< after tests near Blackpool .                                         |
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| ('theguardian.com/uk-news/2019/jun/25/uk-anti-fracking-activists-go-on-trial-accused-of-breaking-injunction', 34)           | Many local people were fearful after earlier test drilling by Cuadrilla in 2011 caused >>>small earthquakes<<< near a well at nearby Preese Hall .                                                                                                                             |
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