I think there are some differing opinions expressed here:
www.huffingtonpost.com/2014/04/11/ohio-earthquakes
www.rt.com/usa/fracking-ohio-quake-earth-165
73,
Steve, WD8NPL
From: Jon
Sent: Monday, July 27, 2015 3:21 PM
To: Don W7WLL
Cc: Towertalk
Subject: Re: [TowerTalk] Someone's Tower Fall Over in OK?
Earthquakes are not caused by fracking!
Recently had several studies done here in DFW area because of this very
topic. We had over 30 tremors with 40 days... Fracking is a 2 - 5 day
event at a well to fracture the shale at the level where they are
extracting oil and/or gas. Most of these happen deeper than those wells.
It is possibly related to injection wells as was likely the causes here.
Either way there has to be a fault that slips to create the quake. 4.5 is
noticable quake. You can feel a 2.5 - 3.2 feels like the house got bumped.
On Monday, July 27, 2015, Don W7WLL <w7wll@arrl.net> wrote:
Or the result of fracking? Know folks with towers in OK have to contend
with tornados at times, but earthquakes seem to be on an increase too?
Wonder if anyone has ever encountered a tower-earthquake related issue in
OK.
Don W7WLL
-----Original Message----- From: USGS ENS
Sent: Monday, July 27, 2015 11:41 AM
Subject: 2015-07-27 18:12:15 (M4.5) OKLAHOMA 36.0 -97.6 (122a9)
== PRELIMINARY EARTHQUAKE REPORT ==
Region: OKLAHOMA
Geographic coordinates: 36.006N, 97.576W
Magnitude: 4.5
Depth: 3 km
Universal Time (UTC): 27 Jul 2015 18:12:15
Time near the Epicenter: 27 Jul 2015 13:12:15
Local standard time in your area: 27 Jul 2015 10:12:15
Location with respect to nearby cities:
6 km (3 mi) NNE of Crescent, Oklahoma
19 km (11 mi) NW of Guthrie, Oklahoma
40 km (24 mi) NNW of Edmond, Oklahoma
48 km (29 mi) WSW of Stillwater, Oklahoma
59 km (36 mi) N of Oklahoma City, Oklahoma
ADDITIONAL EARTHQUAKE PARAMETERS
________________________________
event ID : us 200030gd
This is a computer-generated message and has not yet been reviewed by a
seismologist.
For subsequent updates, maps, and technical information, see:
http://earthquake.usgs.gov/earthquakes/eventpage/us200030gd
or
http://earthquake.usgs.gov/
DISCLAIMER:
https://sslearthquake.usgs.gov/ens/help.html?page=help#disclaimer
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