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Strongest tremor yet halts fracking at Cuadrilla site near Blackpool


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Fracking has stopped again at a shale gas well near Blackpool after the area was struck by the most powerful earthquake since operations began.

A total of 27 minor earthquakes have occurred near energy company Cuadrilla’s site since fracking started a fortnight ago.

The 1.1-magnitude tremor on Monday morning was the biggest so far and the second to have breached the regulatory threshold which forces operators to stop fracking.

Anything greater than a 0.5-magnitude quake requires companies to stop injecting the water used to fracture shale rock and release the gas within.

Cuadrilla confirmed that the event, which was centred 2km underground, occurred while it was fracking at the Preston New Road site. The company said fracking would cease for 18 hours before it restarted.

 

Full article at

https://www.theguardian.com/environment/2018/oct/29/strongest-tremor-yet-halts-fracking-at-cuadrilla-site-near-blackpool

 

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13 minutes ago, craig said:

None of that proves that fracking was the reason for the quake though. 

It doesn't say it was.

 

It's probably just some kind of co-incidence that there has been two tremors that have breached the regulatory threshold which forces operators to stop fracking and that this most recent was more powerful than the first. I mean it's not as if there is any knd of correlation between injecting water to fracture shale rock and earthquakes/tremors....no, wait a miniue, there is !

 

 

 

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If we followed the same stringent seismic limits that our EU partners impose (2.5 magnitude), they wouldn't even have detected this "strongest tremor yet". Only someone without any knowledge of seismology could think this was in any way significant. Why do we insist on pandering to ignorance in this way.

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14 minutes ago, Bill said:

If we followed the same stringent seismic limits that our EU partners impose (2.5 magnitude), they wouldn't even have detected this "strongest tremor yet". Only someone without any knowledge of seismology could think this was in any way significant. Why do we insist on pandering to ignorance in this way.

I'm sure those who decided upon the limits within the regulation did so by throwing darts at a board and indeed were chosen at random from a Post Office queue in a quiet Stockport street, with the only conditions being that they didn't have any knowledge of seismology and that they followed the strict rule, not to speak to anyone who did.

 

Regulations really should be done away with.

I mean, when did corporations or banks ever abuse them in the pursuit of profit ?

It's a downright insult to think that they ever did.

Not to mention the inconsiderate local punters wanting to safeguard their home environment.

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No, they agreed to these meaningless limits to buy off planning objections. Nothing more. If they had any intention to make serious judgements about induced seismicity, they'd have listened to the informed technical advice they were given instead of the screaming freakies with painted faces and socialist obligations.

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1 minute ago, Bill said:

No, they agreed to these meaningless limits to buy off planning objections. Nothing more. If they had any intention to make serious judgements about induced seismicity, they'd have listened to the informed technical advice they were given instead of the screaming freakies with painted faces and socialist obligations.

In these types of cases, certain sources of 'informed technical advice' is often loaded, bought and paid for.

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For some reason there seems to be quite a lot of mini tremors up and down the Fylde coast I lived in Cleavleys when I worked on the Houndshill shopping centre  it's been going on for years 

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