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View Diary: The Frackin' Earthquakes!!!! (6 comments)

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  •  After the Arkansas quake in February, (8+ / 0-)

    the state shut down the injection wells nearest the epicenter. There had long been a geological fault there, but the fault is twice as large as what it had been before the quake. Because of that, it was given a new name,

    Scientists as recently as January thought that what they’re informally calling the “Guy-Greenbrier Fault” spanned 3.7 miles, but now estimate it to be 6 to 7.5 miles long.

    [State geologist] Ausbrooks said the length is a concern because a longer fault could trigger bigger earthquakes.

    Two of the big hydropower dams near me -- like so many, built more than 50 years ago -- had to replace parts of their generators after the quake. That does not prove cause and effect, of course, but it's the first time it has happened since the dams were built. The replacement parts had to be custom-made.

    If the old dams had failed, tens of thousands of people would have been flooded, maybe hundreds of thousands -- and many killed. It is absurdly dangerous to take such a risk for profit.

    Oh, and scientists are all over it around the world. Yes, some earthquakes are "induced" by human activity. There's really little question.

    And Exxon is fracking for oil in Arkansas.


    Meteor Blades: "Don't tell me what you believe. Tell me what you do and I'll tell you what you believe."

    by cotterperson on Mon Nov 07, 2011 at 09:49:04 AM PST

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