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Posted: 7/27/2015 3:01:24 PM EDT
[#1]
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Posted: 7/27/2015 3:01:47 PM EDT
[#2]
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Posted: 7/27/2015 3:02:36 PM EDT
[#3]
We felt it in Wichita.
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Posted: 7/27/2015 3:03:10 PM EDT
[#4]
BAN FRACKING BAN BAN BAN LAWS BAN
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Posted: 7/27/2015 3:04:35 PM EDT
[#5]
Sure felt it here in Tulsa. 2nd largest ive felt here
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Posted: 7/27/2015 3:05:07 PM EDT
[#6]
Quote HistoryQuoted: We felt it in Wichita. You stealing our quakes bro? I was just happy to have survived it! When the guy told me to expect a mag 7 at some point I rolled my eyes. Maybe he is correct. His technical explanation filtered through my simple mind is that high pressure disposal wells are breaking up the stability layer under the ground which along with Oklahoma geology is causing the quakes. |
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Posted: 7/27/2015 3:21:09 PM EDT
[#7]
I worked in Norman, Oklahoma 2007-2009 and people were giving me crap on why would I live in California with all those earthquakes.
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Posted: 7/27/2015 3:22:33 PM EDT
[#8]
Quote History
4.5 according to USGS, felt it in OKC. |
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Posted: 7/27/2015 3:28:35 PM EDT
[#9]
Quote HistoryQuoted:
You stealing our quakes bro? I was just happy to have survived it! When the guy told me to expect a mag 7 at some point I rolled my eyes. Maybe he is correct. His technical explanation filtered through my simple mind is that high pressure disposal wells are breaking up the stability layer under the ground which along with Oklahoma geology is causing the quakes. Quote HistoryQuoted:
Quoted:
We felt it in Wichita. You stealing our quakes bro? I was just happy to have survived it! When the guy told me to expect a mag 7 at some point I rolled my eyes. Maybe he is correct. His technical explanation filtered through my simple mind is that high pressure disposal wells are breaking up the stability layer under the ground which along with Oklahoma geology is causing the quakes. Dumbed down a bit further from recent research here, the disposal wells may be injecting water near the existing faults and lubricating the fault plains. Isn't adding a significant amount of additional stress, just reducing the friction on a currently stressed fault. Can have a lot of little ones now releasing stress, or a larger one in future. "The Earth's crust is full of fractures and faults. Under natural conditions, widespread faults deep in the crust are able to sustain high stresses without slipping. In rare instances, pressure from wastewater injected into deep wells can counteract the frictional forces on faults and cause earthquakes (Hayes, 2012). In other words, fluid injected near a fault can, in effect, change pore pressure--the amount of pressure that fluid in a rock's pores exerts on the rock--allowing a fault to move." http://www.kgs.ku.edu/Publications/PIC/pic36.html |
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Posted: 7/27/2015 3:51:26 PM EDT
[#10]
Quote HistoryQuoted:
You stealing our quakes bro? I was just happy to have survived it! When the guy told me to expect a mag 7 at some point I rolled my eyes. Maybe he is correct. His technical explanation filtered through my simple mind is that high pressure disposal wells are breaking up the stability layer under the ground which along with Oklahoma geology is causing the quakes. Quote HistoryQuoted:
Quoted:
We felt it in Wichita. You stealing our quakes bro? I was just happy to have survived it! When the guy told me to expect a mag 7 at some point I rolled my eyes. Maybe he is correct. His technical explanation filtered through my simple mind is that high pressure disposal wells are breaking up the stability layer under the ground which along with Oklahoma geology is causing the quakes. Deep wastewater injection may be causing small quakes in the geology associated with the Ouachita Mountains and their surrounding structure. But it takes major fault lines to produce a major quake like a 7.0. Major like the San Andreas or the New Madrid faults. OK does not have one features of those in its geology. |
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Posted: 7/27/2015 4:00:53 PM EDT
[#11]
50 miles to the southeast of me and I haven't felt shit, although I'm on a frac job right now so maybe this was result of all my hard work
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Posted: 7/27/2015 4:13:19 PM EDT
[#12]
Quote HistoryQuoted:
Dumbed down a bit further from recent research here, the disposal wells may be injecting water near the existing faults and lubricating the fault plains. Isn't adding a significant amount of additional stress, just reducing the friction on a currently stressed fault. Can have a lot of little ones now releasing stress, or a larger one in future. I've found that water is not a great lubricant. "The Earth's crust is full of fractures and faults. Under natural conditions, widespread faults deep in the crust are able to sustain high stresses without slipping. In rare instances, pressure from wastewater injected into deep wells can counteract the frictional forces on faults and cause earthquakes (Hayes, 2012). In other words, fluid injected near a fault can, in effect, change pore pressure--the amount of pressure that fluid in a rock's pores exerts on the rock--allowing a fault to move." http://www.kgs.ku.edu/Publications/PIC/pic36.html Quote HistoryQuoted:
Quoted:
Quoted:
We felt it in Wichita. You stealing our quakes bro? I was just happy to have survived it! When the guy told me to expect a mag 7 at some point I rolled my eyes. Maybe he is correct. His technical explanation filtered through my simple mind is that high pressure disposal wells are breaking up the stability layer under the ground which along with Oklahoma geology is causing the quakes. Dumbed down a bit further from recent research here, the disposal wells may be injecting water near the existing faults and lubricating the fault plains. Isn't adding a significant amount of additional stress, just reducing the friction on a currently stressed fault. Can have a lot of little ones now releasing stress, or a larger one in future. I've found that water is not a great lubricant. "The Earth's crust is full of fractures and faults. Under natural conditions, widespread faults deep in the crust are able to sustain high stresses without slipping. In rare instances, pressure from wastewater injected into deep wells can counteract the frictional forces on faults and cause earthquakes (Hayes, 2012). In other words, fluid injected near a fault can, in effect, change pore pressure--the amount of pressure that fluid in a rock's pores exerts on the rock--allowing a fault to move." http://www.kgs.ku.edu/Publications/PIC/pic36.html |
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Posted: 7/27/2015 4:21:59 PM EDT
[#13]
4.6 isnt bad, a would be shocked if a 7 ever happens there.
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Posted: 7/27/2015 4:30:09 PM EDT
[#14]
Daily event in the PRK.
Why worry? |
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Posted: 7/27/2015 4:46:51 PM EDT
[#15]
It looks like the small quakes are preventing a big one; therefore injection wells are a good thing.
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Posted: 7/27/2015 4:50:55 PM EDT
[#16]
The Mississippi River valley is like the Great Rift in Africa but without the rift part.
Just waiting for the big slip to happen. |
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Posted: 7/28/2015 9:15:10 AM EDT
[#17]
Quote HistoryQuoted:
The Mississippi River valley is like the Great Rift in Africa but without the rift part. Just waiting for the big slip to happen. Wat? |
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Posted: 7/28/2015 9:21:17 AM EDT
[#18]
Quote HistoryQuoted:
Wat?  Quote HistoryQuoted:
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The Mississippi River valley is like the Great Rift in Africa but without the rift part. Just waiting for the big slip to happen. Wat? Do you even New Madrid bro? https://en.m.wikipedia.org/wiki/New_Madrid_Seismic_Zone |
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Posted: 7/28/2015 9:27:17 AM EDT
[#19]
Quote HistoryQuote HistoryQuoted:
Quoted:
Quoted:
The Mississippi River valley is like the Great Rift in Africa but without the rift part. Just waiting for the big slip to happen. Wat? Do you even New Madrid bro? https://en.m.wikipedia.org/wiki/New_Madrid_Seismic_Zone That is a threat for the Mississippi river area i dont think it will reach all the way out to Oklahoma. |
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Posted: 7/28/2015 9:31:49 AM EDT
[#20]
Quote HistoryQuote HistoryQuoted:
Quoted:
Quoted:
The Mississippi River valley is like the Great Rift in Africa but without the rift part. Just waiting for the big slip to happen. Wat? Do you even New Madrid bro? https://en.m.wikipedia.org/wiki/New_Madrid_Seismic_Zone Do you even divergent plate boundary brah? Fault doesn't = a developed triple junction, unless you're making a prediction for 20 million or so years from now... |
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