I am currently at a fracking site in Lancashire. There is fear about potential earthquakes caused by the method. As an aside, England has had two earthquakes in the last 4 days.
According to the British Geological Survey, on Sunday an earthquake in Cumbria, 50 miles from here, measured 2.0 on the Richter scale.
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A small number of people were treated at Southgate Tube station, British Transport Police said.