Timeline: Fracking and earthquakes at Preese Hall

  • August 2010 - Cuadrilla Resources begins drilling at Preese Hall site near Blackburn, Lancashire.
  • April 2011 - First tremor detected - 2.3 on Richter scale
  • December 2012 - Government to decide whether fracking may continue at site.

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UK fracking allowed to resume

The government says fracking for shale gas can resume in the UK, with new controls to address the risk of small earth tremors.