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I just felt an earthquake at around 12:40 AM.
I'll see if USGS and KGS have anything yet.
Edit: Look like this one was a 2.1 magnitude according to USGS. It was located just east of Rock Rd along 47th St S.
M 2.1 - 3 km SE of McConnell AFB, Kansas (usgs.gov)
Here is the KGS data on the quake. They have it as a 2.4 magnitude, south of 39th St S between Greenwich Rd and 127th St E.
KGS Earthquakes (ku.edu)Last edited by 1979Shocker; April 2, 2021, 09:24 AM.
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“I don’t know what’s causing them, but it’s this!”
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Recent article in the Wichita Eagle on March 21 - State said Wichita earthquakes were likely natural. New evidence suggests otherwise - https://www.kansas.com/news/politics...250044639.html
After a series of earthquakes rocked Wichita in November and December, state regulators said the oil and gas industry was not to blame, giving the impression that the earthquakes were natural.
Now, the state’s senior seismologist says he’s 99% sure that’s not the case.
More recently available data led Rick Miller, the senior scientist and seismologist at Kansas Geological Survey, to believe the earthquakes were caused by wastewater sent deep into the earth.
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image_8115.jpgOriginally posted by Shockm View Post
I think that this story was shown earlier in January but it shows where the Humboldt Fault Lines are (mainly in East Wichita and into Butler County), and that it is believed that these quakes aren't caused by fracking. It shows a good map of the fault lines, and a Lily Wu video story partially down.
https://www.kwch.com/2021/01/05/geol...a-earthquakes/
poor pressure.JPG
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Originally posted by 1972Shocker View Post
I think that was true in Oklahoma. But I don't think that was true in Kansas. Kansas never had much of the horizontal drilling Kansas that led to the large volumes of wasteI water requiring disposal. Oklahoma on the other had did have quite a bit of horizontal drilling. Now whether Oklahoma was shipping waste water to Kansas for injection I do not know for sure but am not aware of that. So it is possible that waste water disposal in Oklahoma was a problem but the volume of water disposal in Kansas was not big enough to cause a problem. Both of those statements could be true.
https://www.kwch.com/2021/01/05/geol...a-earthquakes/
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No one mentioned it, but there was a 2.5 magnitude earthquake yesterday at 5:22 PM, just south of 13th between Rock Road and Webb; north of Central between Rock Road and Webb).
M 2.5 - 3 km NE of Eastborough, Kansas (usgs.gov)
KGS had it occurring at 5:21 PM as a 2.3 magnitude and located just north of Central between Rock Road and Webb.
KGS Earthquakes (ku.edu)
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Could the earthquake felt yesterday simply been an aftershock (pun intended) from the 500,000 plus in the metro area jumping out of their seats when the Shocks were announced on CBS???
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Originally posted by 1972Shocker View Post
I think that was true in Oklahoma. But I don't think that was true in Kansas. Kansas never had much of the horizontal drilling Kansas that led to the large volumes of waste water requiring disposal. Oklahoma on the other had did have quite a bit of horizontal drilling. Now whether Oklahoma was shipping waste water to Kansas for injection I do not know for sure but am not aware of that. So it is possible that waste water disposal in Oklahoma was a problem but the volume of water disposal in Kansas was not big enough to cause a problem. Both of those statements could be true.
horizontal fracking wells kansas.JPG
Here is earthquake maps prior to 2013 and after 2012.
Prior to 2013
earthquakes 1970-2012.JPG
After 2012
earthquakes 2013-present.JPG
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Originally posted by SB Shock View Post
I would go with the USGS. KGS I doubt is staffed adequately or resourced properly. At one point they were sticking to the narrative that waste water injection due to fracking was not causing earthquakes - when OGS had already did the research to conclusively say it was and had developed mitigation plans.
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Originally posted by 1972Shocker View Post
As I mentioned in a previous report a retired geology professor at WSU stated his preference for data and location was the KGS. One thing he mentioned is that they have more numerous measurement stations in the state.
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Originally posted by 1979Shocker View Post
I didn't read through this yet.
Why do USGS earthquake magnitudes differ from those published by other agencies?
As I mentioned in a previous report a retired geology professor at WSU stated his preference for data and location was the KGS. One thing he mentioned is that they have more numerous measurement stations in the state.
Part of the difference may also be due to where the measurement stations are location. The USGS does report an estimated depth while I have not seen that data on the KGS site. Most if not all or our quakes have been reported about 5km deep (about 3.1 miles). According to the USGS a shallow earthquakes is any that are up to 70km deep. So ours are pretty shallow which increases the extent to which they are felt.
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Originally posted by 1972Shocker View PostInterestingly I was driving on 29th east of Woodlawn when the 3.4 at 8:52 hit and south on Webb Road near 13th street when the 3.5 hit heading to my office. When I went into my office my associate ask me if I felt those earthquakes and surprisingly I did not feel or hear anything. I had one other experience during the Holiday season swarm when I was driving and did not feel the quake. Not sure exactly why that is. Possible that the car's suspension is absorbing most of that energy. Perhaps being in motion on the surface is a factor as well.
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