Fracking in Lancashire: When does seismic activity mean fracking has to stop?

Following the small tremors in Blackpool seven years ago new regulations mean very low levels of seismic activity lead to a suspension in fracking.

Wednesday, 24th October 2018, 11:40 am
Updated Wednesday, 24th October 2018, 12:43 pm
Workers at the Cuadrilla fracking site in Preston New Road, Little Plumpton, Lancashire

If seismic sensors detect anything above 0.5 magnitude on the Richter scale – far below what people can feel at the surface – the company has to stop and review its operations. Yesterday's was 0.4 magnitude, recorded at 3.45am at a depth of 3km

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Earthquake, tremor or seismic activity: what is happening at the Lancashire frac...

On the richter scale 8.0 is the highest grade of quake.

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Workers at the Cuadrilla fracking site in Preston New Road, Little Plumpton, Lancashire

Blasts during quarrying can lead to tremors of up to 2.0