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4.5 Magnitude Earthquake Hits Norman Oklahoma

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Uploaded by on Oct 13, 2010

4.3 - 4.5 quake hits the Sooner State Norman Oklahoma
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"Seismicity Rate of Fluid-injection-induced Earthquakes,"
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Go to this page to discover a plausible explanation to whats going on:
http://www.nyx.net/~dcypser/induceq/iis.html
http://www.nyx.net/~dcypser/induceq/pis.html
http://www.nyx.net/~dcypser/induceq/induceq.html
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Article Geology.com: http://geology.com/press-release/salt-water-injection-earthquakes/
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http://www.osti.gov/energycitations/product.biblio.jsp?osti_id=6495005
http://dx.doi.org/doi:doi:10.1029/2004GL020421
http://dx.doi.org/doi:10.1785/0120040072
http://www.rmag.org/rmag_uploads/outcrops/0302.pdf
http://dx.doi.org/doi:doi:10.1046/j.1365-246X.2003.01837.x
http://dx.doi.org/doi:10.1785/0120010236
http://dx.doi.org/doi:10.1029/2003JB002528
http://www.springerlink.com/content/vp72842445ql6q5v/
http://md1.csa.com/partners/viewrecord.php?requester=gs&collection=TRD&am...
http://www.cig.ensmp.fr/~iahs/redbooks/a088/088068.pdf
http://bssa.geoscienceworld.org/cgi/content/abstract/88/3/815
http://www.agu.org/pubs/crossref/1997/96JB02814.shtml
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Paul A. Hsieh & John D. Bredehoft, "A Reservoir Analysis of the Denver Earthquakes: A Case of Induced Seismicity," 86 J. Geophys. Res. 903 (1981).

Injection of fluid wastes into the fractured Precambrian crystalline bedrock beneath the Rocky Mountain Arsenal near Denver triggered earthquakes in the 1960's. An analysis, based on the assumption that fluid flow in the fractured reservoir can be approximated by flow in a porous medium, is presented. The configuration and hydrologic properties of the reservoir are determined from two lines of evidence: (1) locations of earthquake hypocenters determined by seismic arrays installed at the Arsenal and (2) observed long-term decline in fluid levels in the injection well. Together these two sets of data indicate that a long, narrow reservoir, aligned in the direction N 60/sup 0/W, exists. The reservoir is 3.35 km in width, extends 30.5 km to the northwest and infinitely to the southeast, and spans a depth interval from 3.7 to 7.0 km below land surface. It has a transmissivity of 1.08 x 10/sup -5/ m/sup 2//s and a storage coefficient of 1.0 x 10/sup -5/. Computed pressure buildup along the length of the reservoir is compared with the spatial distribution of earthquake epicenters. The comparison shows that earthquakes are confined to that part of the reservoir where the pressure buildup exceeds 32 bars. This critical value is interpreted as the pressure buildup above which earthquakes occur. The migration of earthquake epicenters away from the injection well, a phenomenon noted by previous investigators, can be accounted for by the outward propagation of the critical pressure buildup. The analysis is extended to examining the effects of rapid flow in fractures opened by high injection pressure. The results show that the effect is confined to a small region within 1 km of the injection well. The existence of a critical pressure buildup above which earthquakes occur is completely consistent with the theory on the role of fluid pressure in fault movement as presented by Hubbert and Rubey. * Oklahoma City * Norman * Earthquake hits * magnitude earthquake * earthquake hits * oklahoma oklahoma 4.5 * induced seismic activity * drilling induced quake * oklahoma * quake * earthquake * tulsa * norman * 4.5 earthquake * 4.3 earthquake oklahoma * Oklahoma earthquake * 4.5 Oklahoma * 4.3 Oklahoma * earthquake norman * 4.5 Norman Oklahoma * 4.3 Norman Oklahoma * october 13 * oklahoma Edmond Oklahoma

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  • GO SOONERS!!!!!!!!!!!!!!

  • @fhood .. LoL crazy huh.. I knew I recognized him.. Oklahoma.. wow BIG CHANGE from San Diego to there.. feel sorry for him

  • Stan Miller in Oklahoma?? LOL he use to be in San Diego.

  • @jefft78 No it wasn't!! Read your facts from the news and the geologists and how deep the quake was.

  • @08ashu01 NO it wasn't! Read up!

  • You guys are wrong... they even said on the news that it was absolutely NOT caused by fracking and backed it up from experts and geologists . Look it up!

  • Stan Miller is such a douche.

  • Wow, i think in Chili they lived 8.8 Earthquake

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