"Did Fracking Cause a 4.0 Magnitude Earthquake...?"



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snapcap
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Wed Mar 28, 2012 9:47 am

For Pennsylvania's Doctors, a Gag Order on Fracking Chemicals

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Under a new law, doctors in Pennsylvania can access information about chemicals used in natural gas extraction -- but they won't be able to share it with their patients. A provision buried in a law passed last month is drawing scrutiny from the public health and environmental community, who argue that it will "gag" doctors who want to raise concerns related to oil and gas extraction with the people they treat and the general public.


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Jacoby
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Wed Mar 28, 2012 12:47 pm

I suspect those noise in Clintonville, WI were caused by some sort of secret fracking for whatever reason



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Thu Apr 12, 2012 2:28 pm

Earthquake Outbreak in Central U.S. Tied to Drilling Wastewater

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April 12 (Bloomberg) -- A spate of earthquakes across the middle of the U.S. is "almost certainly" manmade, and may coincide with wastewater from oil or gas drilling injected into the ground, U.S. government scientists said in a new study.


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Tue Apr 17, 2012 1:22 pm

Gas 'fracking' gets green light

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Ministers have been advised to allow the controversial practice of fracking for shale gas to be extended in Britain, despite it causing two earthquakes and the emergence of serious doubts over the safety of the wells that have already been drilled.


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John_Browning
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Wed Apr 18, 2012 10:01 pm

Regardless of what caused it, it's just a 4.0. Grow some balls people! Seriously! :roll:


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Wed Apr 18, 2012 10:22 pm

Fracking Tied to Unusual Rise in Earthquakes in U.S.

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A spate of earthquakes across the middle of the U.S. is “almost certainly” man-made, and may be caused by wastewater from oil or gas drilling injected into the ground, U.S. government scientists said in a study.

Researchers from the U.S. Geological Survey said that for the three decades until 2000, seismic events in the nation’s midsection averaged 21 a year. They jumped to 50 in 2009, 87 in 2010 and 134 in 2011.


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Fri Jun 22, 2012 12:52 am

Injection Wells: The Poison Beneath Us

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Over the past several decades, U.S. industries have injected more than 30 trillion gallons of toxic liquid deep into the earth, using broad expanses of the nation's geology as an invisible dumping ground.


Where does the toxic chemicals go? Do they just disappear into thin air? Will they correx it? Forget about fluoride, worry about this!

Quote:
"In 10 to 100 years we are going to find out that most of our groundwater is polluted," said Mario Salazar, an engineer who worked for 25 years as a technical expert with the EPA's underground injection program in Washington. "A lot of people are going to get sick, and a lot of people may die."


Quote:
Many scientists and regulators say the alternatives to the injection process — burning waste, treating wastewater, recycling, or disposing of waste on the surface — are far more expensive or bring additional environmental risks.


Kind of reminds me of what we heard after the Deep Horizon oil spill. Mega bucks spent on digging deeper for oil, but hardly any money spent on dealing with potential problems.

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Fri Jun 22, 2012 12:58 pm

The idea that Fracking caused a 4.0 Earthquake in Ohio is actually rather laughable if you've bothered to pay attention these past few years it is only the latest attempt at alarmism by radical environmentalists.

Quote:
But a new Penn State University study finds that one process used in drilling does not contaminate well water.

The process, which is called hydraulic fracturing, or fracking, blasts water, chemicals, and sand into the rocks thousands of feet below the surface, to help unlock the natural gas and oil.

Some landowners are worried this process could lead to contamination of their drinking water.

But the Penn State study finds that concern is unfounded. "We looked at 233 water wells before and after drilling of nearby Marcellus gas wells. And in a nutshell what we found was there was no evidence of influences from hydraulic fracturing at least on the wells that we looked at in the time frame that we looked at them," says Penn State study spokesperson Bryan Swistock.
-- WFMJ

Then concerning earthquakes:

Quote:
The largest of the November earthquakes ruptured an area 14 kilometers long and was centered 4 to 9 kilometers underground.

The depth of the earthquake is important because it addresses another question Holland has faced constantly since November.

No, the earthquake swarm wasn't caused by hydraulic fracturing. It occurred much deeper than where fracturing is done.

There's another reason to come to the same conclusion, he said: There wasn't any fracturing going on in the area of the earthquake.

Still, he said, fracking can cause shallow earthquakes that are typically close to the well site.

He studied the phenomena in a paper he wrote recently that looked at a series of earthquakes near a fracking site. The largest of the shallow quakes was 2.9 in magnitude and several were above 2.5 magnitude.

A reasonable argument can be made that the stress released in the fracking-related quakes was already there - caused by natural forces. So, the drilling activity may be the trigger, but not the cause, he said.

"It's not unreasonable to think the stress is already there and we just tickled the system a little bit," Holland said.
Tulsa World

Earthquakes from fracking are a lot smaller than 4.0, in fact the highest recorded in Oklahoma is 2.9. As pointed out in the article, it could be the result of releasing some of the stress on the fault line which was already present. If that 4.0 was from fracking relieving stress on an fault line, I would hate to have seen the resulting earthquake that would occur if that fault line had actually given way to that stress naturally.

If you study history, you would know some midwestern earthquakes that have been seen in the past such as one seen around 200 years ago give or take a few years, was actually strong enough to make rivers run backward briefly.

So if the earthquake was the result of the fracking, I'd say people are darn lucky that stress on the fault line was released when it was only a 4.0, imagine how much worse it could have been if it had been like the earthquake I mentioned above when it finally happened because the fault could no longer handle the stress and it naturally gave way. That 4.0 would have looked simply pathetic.



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