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Residents fear ground movement could cause gas leak from 316km South Wales pipeline

South Wales residents have warned that a 316km gas pipeline between Milford Haven and Tirley will be vulnerable to fracture from earthquakes and landslides.
Opponents of the 1.22m diameter steel pipeline claim that areas of the route are prone to landslides and are seisimically active.'If there was an accident caused by an earthquake or landslide or anything else that could cause the pipe to rupture, a colossal amount of gas would escape. It's not like it's a small pipe,' said pressure group Safe Haven member and Milford Haven resident Ivor Johnson. 'A leak might just evaporate away but if the gas did catch fire, it could cause a fire that would be catastrophic to local residents,' he added.National Grid refused to be drawn on what measures it had taken to mitigate the threat from seismic activity. A spokeswoman said: 'Extensive ground surveys have been conducted to help us choose the route of the pipeline. We wouldn't construct it if we didn't think it was safe for people in the vicinity.'>A report from The British Geological Survey reveals that the area around Swansea, more than anywhere else in south Wales, has shown a consistent recurrence of earthquakes over the past 200 years. The report suggests one is due in the near future.

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