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10.1007/s10950-017-9685-x http://scihub22266oqcxt.onion/10.1007/s10950-017-9685-x C5693966!5693966!29200935     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Seismol 2017 ; 21 (6): 1613-21 Nephropedia Template TP {{tp|p=29200935|t=2017. Was the Mw 7 5 1952 Kern County, California, earthquake induced (or triggered)?|pdf=|usr=}}{{29200935}} gab.com Text Was the Mw 7 5 1952 Kern County, California, earthquake induced (or triggered) JO: J Seismol http://www.kidney.de/pget.php?&tw=1&pmid=29200935 #FOAvip Several recent studies have presented evidence that significant induced earthquakes occurred in a number of oil-producing regions during the early and mid-twentieth century related to either production or wastewater injection. We consider whether the 21 July 1952 Mw 7.5 Kern County earthquake might have been induced by production in the Wheeler Ridge oil field. The mainshock, which was not preceded by any significant foreshocks, occurred 98 days after the initial production of oil in Eocene strata at depths reaching 3 km, within ~1 km of the White Wolf fault (WWF). Based on this spatial and temporal proximity, we explore a potential causal relationship between the earthquake and oil production. While production would have normally be expected to have reduced pore pressure, inhibiting failure on the WWF, we present an analytical model based on industry stratigraphic data and best estimates of parameters whereby an impermeable splay fault adjacent to the main WWF could plausibly have blocked direct pore pressure effects, allowing the poroelastic stress change associated with production to destabilize the WWF, promoting initial failure. This proof-of-concept model can also account for the 98-day delay between the onset of production and the earthquake. While the earthquake clearly released stored tectonic stress, any initial perturbation on or near a major fault system can trigger a larger rupture. Our proposed mechanism provides an explanation for why significant earthquakes are not commonly induced by production in proximity to major faults.Electronic supplementary material: The online version of this article (doi:10.1007/s10950-017-9685-x) contains supplementary material, which is available to authorized users. Twit Text FOAVip Was the Mw 7 5 1952 Kern County, California, earthquake induced (or triggered) ????J Seismol http://www.kidney.de/pget.php?&tw=1&pmid=29200935 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=29200935 #FOAvip English Wikipedia <ref>{{Cite pmid|29200935}}</ref> Was the Mw 7 5 1952 Kern County, California, earthquake induced (or triggered)? #MMPMID29200935 Hough SE; Tsai VC; Walker R; Aminzadeh F J Seismol 2017[]; 21 (6): 1613-21 PMID29200935show ga Several recent studies have presented evidence that significant induced earthquakes occurred in a number of oil-producing regions during the early and mid-twentieth century related to either production or wastewater injection. We consider whether the 21 July 1952 Mw 7.5 Kern County earthquake might have been induced by production in the Wheeler Ridge oil field. The mainshock, which was not preceded by any significant foreshocks, occurred 98 days after the initial production of oil in Eocene strata at depths reaching 3 km, within ~1 km of the White Wolf fault (WWF). Based on this spatial and temporal proximity, we explore a potential causal relationship between the earthquake and oil production. While production would have normally be expected to have reduced pore pressure, inhibiting failure on the WWF, we present an analytical model based on industry stratigraphic data and best estimates of parameters whereby an impermeable splay fault adjacent to the main WWF could plausibly have blocked direct pore pressure effects, allowing the poroelastic stress change associated with production to destabilize the WWF, promoting initial failure. This proof-of-concept model can also account for the 98-day delay between the onset of production and the earthquake. While the earthquake clearly released stored tectonic stress, any initial perturbation on or near a major fault system can trigger a larger rupture. Our proposed mechanism provides an explanation for why significant earthquakes are not commonly induced by production in proximity to major faults.Electronic supplementary material: The online version of this article (doi:10.1007/s10950-017-9685-x) contains supplementary material, which is available to authorized users. äWas the Mw 7 5 1952 Kern County, California, earthquake induced (or tr(epmc).pdf DeepDyve Pubget Overpricing