Relevant bibliographies by topics / Crustal scattering, induced seismicity

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Crustal scattering, induced seismicity'

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Published: 10 March 2023

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Journal articles on the topic "Crustal scattering, induced seismicity"

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Revenaugh, Justin. "The relation of crustal scattering to seismicity in southern California." Journal of Geophysical Research: Solid Earth 105, B11 (November 10, 2000): 25403–22. http://dx.doi.org/10.1029/2000jb900304.

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Liu, Su Mei, and Xiang Dong Xie. "Reservoir-Induced Seismicity in the Three Gorges Reservoir Area." Applied Mechanics and Materials 501-504 (January 2014): 1477–85. http://dx.doi.org/10.4028/www.scientific.net/amm.501-504.1477.

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As a region with little or very low level background seismicity, the impoundment of the Three Gorges Reservoir in June 2003 was related to increasing reservoir-induced seismicity. Analysis of the spatial pattern of seismicity showed that a majority of the seismicity was associated with the heavily fractured, deep crustal Jiuwanxi Fault, especially in regions of permeable Carbonate rocks formations. Analysis of the temporal pattern of the seismicity and a comparison with the filling history of the reservoir showed that the frequency and intensity of induced seismicity started at low level accompanying the impoundment of the Three Gorges Reservoir, and then increased with the increasing of water level and decreased thereafter. The amplitude of fluctuation of water level was found to be related to the frequency and intensity of induced seismicity. The pore pressure diffusion plays an important role in reservoir induced seismicity.
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Alber, M., R. Fritschen, and M. Bischoff. "Strength constraints of shallow crustal strata from analyses of mining induced seismicity." Solid Earth Discussions 5, no. 1 (June 3, 2013): 737–65. http://dx.doi.org/10.5194/sed-5-737-2013.

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Abstract. Stress redistributions around large underground excavations such as coal mines may lead to failure of the surrounding rock mass. Some of these failure processes were recorded as seismic events. In this paper the different failure processes such as rock mass failure or the reactivation of faults are delineated from the seismic records. These are substantiated by rock mechanical analyses including laboratory strength tests on coal measure rocks obtained from underground drilling. Additionally, shear tests on discontinuities in coal measure rocks (slickensides in shale and rough sandstone joints) were conducted to grasp the possible variation of strength properties of faults. Numerical modeling was employed to evaluate the state of stress at the locations where seismic events did occur.
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Choudhury, Swapnamita, Param K. Gautam, and Ajay Paul. "Seismicity and reservoir induced crustal motion study around the Tehri Dam, India." Acta Geophysica 61, no. 4 (May 23, 2013): 923–34. http://dx.doi.org/10.2478/s11600-013-0125-1.

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Goertz-Allmann, Bettina P., and Stefan Wiemer. "Geomechanical modeling of induced seismicity source parameters and implications for seismic hazard assessment." GEOPHYSICS 78, no. 1 (January 1, 2013): KS25—KS39. http://dx.doi.org/10.1190/geo2012-0102.1.

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We simulate induced seismicity within a geothermal reservoir using pressure-driven stress changes and seismicity triggering based on Coulomb friction. The result is a forward-modeled seismicity cloud with origin time, stress drop, and magnitude assigned to each individual event. Our model includes a realistic representation of repeating event clusters, and is able to explain in principle the observation of reduced stress drop and increased [Formula: see text]-values near the injection point where pore-pressure perturbations are highest. The higher the pore-pressure perturbation, the less critical stress states still trigger an event, and hence the lower the differential stress is before triggering an event. Less-critical stress states result in lower stress drops and higher [Formula: see text]-values, if both are linked to differential stress. We are therefore able to establish a link between the seismological observables and the geomechanical properties of the source region and thus a reservoir. Understanding the geomechanical properties is essential for estimating the probability of exceeding a certain magnitude value in the induced seismicity and hence the associated seismic hazard of the operation. By calibrating our model to the observed seismicity data, we can estimate the probability of exceeding a certain magnitude event in space and time and study the effect of injection depth and crustal strength on the induced seismicity.
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Delorey, Andrew A., Kevin Chao, Kazushige Obara, and Paul A. Johnson. "Cascading elastic perturbation in Japan due to the 2012 Mw 8.6 Indian Ocean earthquake." Science Advances 1, no. 9 (October 2015): e1500468. http://dx.doi.org/10.1126/sciadv.1500468.

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Since the discovery of extensive earthquake triggering occurring in response to the 1992 Mw (moment magnitude) 7.3 Landers earthquake, it is now well established that seismic waves from earthquakes can trigger other earthquakes, tremor, slow slip, and pore pressure changes. Our contention is that earthquake triggering is one manifestation of a more widespread elastic disturbance that reveals information about Earth’s stress state. Earth’s stress state is central to our understanding of both natural and anthropogenic-induced crustal processes. We show that seismic waves from distant earthquakes may perturb stresses and frictional properties on faults and elastic moduli of the crust in cascading fashion. Transient dynamic stresses place crustal material into a metastable state during which the material recovers through a process termed slow dynamics. This observation of widespread, dynamically induced elastic perturbation, including systematic migration of offshore seismicity, strain transients, and velocity transients, presents a new characterization of Earth’s elastic system that will advance our understanding of plate tectonics, seismicity, and seismic hazards.
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Long, Leland Timothy. "A Model for Major Intraplate Continental Earthquakes." Seismological Research Letters 59, no. 4 (October 1, 1988): 273–78. http://dx.doi.org/10.1785/gssrl.59.4.273.

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Abstract Traditional paradigms of continental seismicity assert the stationarity of the earthquake process and a causal association of earthquakes with active faults, increasing levels of stress, and crustal structures, in a framework of Plate Tectonics. I propose, instead, that the seismicity associated with a magnitude six or greater intraplate continental earthquake is a transient phenomenon responding to a perturbation in crustal strength independent of existing faults and crustal structures. Regional plate stress may still provide the driving energy, but the causative stress is released by a perturbation in crustal strength in the vicinity of a major earthquake. The timing of a major earthquake and the characteristics of the associated seismicity may then be described by a sequence of five phases which are as follows: (1) Initiation. A major intraplate continental earthquake is initiated with a disturbance in the hydraulic or thermal properties of the crust below the epicenter. Such disturbances could be induced by the intrusion of a sill or by partial melting. (2) Strength corrosion. A corrosion in crustal strength follows the upward migration of fluids or heat from the area of recent disturbance. (3) Stress concentration. As a weakened central zone deforms in response to tectonic plate stress, stresses are concentrated in the surrounding rigid crust. (4) Failure. A major earthquake occurs when the stress surrounding the weakened core exceeds the crustal strength, either because the concentrated stresses are anomalously high or because the dispersing fluids have spread beyond the core. (5) Crustal healing. The final phase in the occurrence of a major intraplate continental earthquake is an extended aftershock sequence which is concentrated along the rupture zone of the main event. The occurrence of a major intraplate earthquake as described above releases the strain energy in a perturbed area. Additional major events would be unlikely until the strength has recovered sufficiently to equalize intraplate stress and permit a repeat of the cycle.
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Mukhopadhyay, Manoj, Eslam Elawadi, Basab Mukhopadhyay, and Saad Mogren. "Induced and Ambient Crustal Seismicity under the Ghawar Oil-Gas Fields, Saudi Arabia." Journal of the Geological Society of India 91, no. 4 (April 2018): 449–56. http://dx.doi.org/10.1007/s12594-018-0878-x.

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Molchanov, O. "About climate-seismicity coupling from correlation analysis." Natural Hazards and Earth System Sciences 10, no. 2 (February 17, 2010): 299–304. http://dx.doi.org/10.5194/nhess-10-299-2010.

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Abstract. We have analyzed together the slow climate temperature variations in the near-equatorial Pacific Ocean area (SSTOI indices) and crustal seismic activity in the same region during 1973–2008 time period using correlation analysis and found similarity in seismic and ENSO periodicities (the latter with time lag about 1.5 years). Trends of the processes are also similar showing about 2 times increase in average seismic energy release during the whole period of analysis and conventional 0.1 °C/(10 years) increase in SSTOI index anomalies. Our major conclusion is on real credibility of climate-seismicity coupling. It is rather probable that at least partially climate ENSO oscillations and temperature anomaly trends are induced by similar variation in seismicity.
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Zhai, Guang, Manoochehr Shirzaei, Michael Manga, and Xiaowei Chen. "Pore-pressure diffusion, enhanced by poroelastic stresses, controls induced seismicity in Oklahoma." Proceedings of the National Academy of Sciences 116, no. 33 (July 29, 2019): 16228–33. http://dx.doi.org/10.1073/pnas.1819225116.

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Induced seismicity linked to geothermal resource exploitation, hydraulic fracturing, and wastewater disposal is evolving into a global issue because of the increasing energy demand. Moderate to large induced earthquakes, causing widespread hazards, are often related to fluid injection into deep permeable formations that are hydraulically connected to the underlying crystalline basement. Using injection data combined with a physics-based linear poroelastic model and rate-and-state friction law, we compute the changes in crustal stress and seismicity rate in Oklahoma. This model can be used to assess earthquake potential on specific fault segments. The regional magnitude–time distribution of the observed magnitude (M) 3+ earthquakes during 2008–2017 is reproducible and is the same for the 2 optimal, conjugate fault orientations suggested for Oklahoma. At the regional scale, the timing of predicted seismicity rate, as opposed to its pattern and amplitude, is insensitive to hydrogeological and nucleation parameters in Oklahoma. Poroelastic stress changes alone have a small effect on the seismic hazard. However, their addition to pore-pressure changes can increase the seismicity rate by 6-fold and 2-fold for central and western Oklahoma, respectively. The injection-rate reduction in 2016 mitigates the exceedance probability of M5.0 by 22% in western Oklahoma, while that of central Oklahoma remains unchanged. A hypothetical injection shut-in in April 2017 causes the earthquake probability to approach its background level by ∼2025. We conclude that stress perturbation on prestressed faults due to pore-pressure diffusion, enhanced by poroelastic effects, is the primary driver of the induced earthquakes in Oklahoma.
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Dissertations / Theses on the topic "Crustal scattering, induced seismicity"

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Kondas, Sean Michael. "Crustal unloading as a source of induced seismicity in Plainfield, Connecticut:." Thesis, Boston College, 2020. http://hdl.handle.net/2345/bc-ir:109092.

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Thesis advisor: John E. Ebel
Thesis advisor: Mark D. Behn
On January 12, 2015, a magnitude 3.1 mainshock occurred in Plainfield, Connecticut near Wauregan Tilcon Quarry, causing modified Mercalli II-IV intensities. Shortly after the event, a team from Weston Observatory installed portable seismographs in the epicentral area. The portable array detected hundreds of small earthquakes from around the quarry, with 26 events that were accurately located. P-wave first motion directions obtained from readings of the mainshock suggest a thrusting focal mechanism on a NNE-SSW trending fault. In this research, we collected 113 gravity measurements in the proximity of the quarry to verify and correct local fault geometry proposed by historic aeromagnetic and geologic mapping. Interpretations of the computed simple Bouguer anomaly are consistent with historic mapping, with a few exceptions. The gravity survey constrains a NNE-SSW trending fault that dips west underneath the quarry, inferred to be the Lake Char-Honey Hill Fault, and reduces ambiguity in the position of an undefined ESE-WNW trending fault, which appears to be on strike to intersect the quarry. A 3D boundary element program (3D~Def) is used to simulate quarry-induced stress changes on these faults in order to analyze the possibility of inducing seismicity through crustal unloading in the region. Quarry operations resulted in the removal of mass from the crust, which decreased lithostatic load. In a setting confined by a maximum horizontal compressional stress, decreasing the lithostatic load, orminimum principal stress (σ3), shifts a Mohr-Coulomb diagram toward failure. The boundary element model shows that following the excavation of materials at the quarry, positive Coulomb failure stress changes occur on the west dipping Lake Char-Honey Hill Fault. In agreement with past studies, our results suggest that quarrying operations can trigger seismic activity in specific settings with stress regime, fault orientations, and rock characteristics such as those that exist in the northeastern U.S. In order to mitigate the risk for future earthquakes related to quarrying operations, these factors must be considered before operations begin
Thesis (MS) — Boston College, 2020
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Earth and Environmental Sciences
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Carr, Steve Asamoah Boamah. "Crustal stress changes induced by seasonal hydrological load variations in correlation with seismicity rate changes in the Malawi Rift System." Bowling Green State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1621867336511141.

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Holland, Austin Adams. "Imaging Time Dependent Crustal Deformation Using GPS Geodesy And Induced Seismicity, Stress And Optimal Fault Orientations In The North American Mid-Continent." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/332903.

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Transient deformation has been observed in a number of different types of tectonic environments. These transient deformation signals are often observed using continuous GPS (CGPS) position time-series observations. Examining transient deformation using CGPS time-series is problematic due to the, often, low signal-to-noise ratios and variability in duration of transient motions observed. A technique to estimate a continuous velocity function from noisy CGPS coordinate time-series of is examined. The resolution of this technique is dependent on the signal-to-noise ratio and the duration or frequency content of the transient signal being modeled. Short period signals require greater signal-to-noise ratios for effective resolution of the actual transient signal. The technique presented here is similar to a low-pass filter but with a number of advantages when working with CGPS data. Data gaps do not adversely impact the technique but limit resolution near the gap epochs, if there is some a priori knowledge of the noise contained within the time-series this information can be included in the model, and model parameter uncertainties provide information on the uncertainty of instantaneous velocity through time. A large transient has been observed in the North-American stable continental interior as a significant increase in the number and moment release of earthquakes through time. This increase in the number of earthquakes has been suggested to be largely related changes in oil and gas production activities within the region as triggered or induced seismicity, primarily from fluid injection. One of the first observed cases of triggered earthquakes from hydraulic fracturing where the earthquakes were large enough to be felt by local residents is documented. The multiple strong temporal and spatial correlations between these earthquakes indicate that hydraulic fracturing in a nearby well likely triggered the earthquake sequence. The largest magnitude earthquake in this sequence was a magnitude 2.9 with 16 earthquakes greater than magnitude 2. The earthquakes in this sequence occurred within 2.5 km of the hydraulic fracturing operation and focal depths are similar to the depths of hydraulic fracturing treatment depths. In addition to the documentation of a transient earthquake signal associated with hydraulic fracturing, the observed focal mechanisms throughout Oklahoma are documented. These focal mechanisms were used to examine the maximum horizontal stress orientations and active fault orientations associated with the increased rates of seismicity observed in the region. Generally, active-fault orientations and the stresses are consistent through broad portions of Oklahoma with one exception, the ongoing Jones earthquake sequence in central Oklahoma that started in 2009. In the Jones earthquake sequence a bi-modal distribution of focal mechanisms are observed. One orientation of active faults observed in the Jones earthquake sequence would not be expected to be active in the observed regional stress field. This unfavorably oriented set of faults appear to be pre-existing structures and activity on these structures may suggest that pore-pressure increases in the sub-surface due to fluid injection in the area make it possible for faults that are not optimally oriented within the regional stress-field to reactivate.
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Hensch, Martin [Verfasser]. "On the interrelation of fluid induced seismicity and crustal deformation at the Columbo submarine volcano (Aegean Sea, Greece) / vorgelegt von Martin Hensch." 2009. http://d-nb.info/1000297624/34.

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Book chapters on the topic "Crustal scattering, induced seismicity"

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Abd el-aal, Abd el-aziz Khairy, Farah Al-Jeri, and Abdullah Al-Enezi. "Seismicity of Kuwait." In The Geology of Kuwait, 145–69. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-16727-0_7.

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AbstractThis chapter deals with all the precious documented recently published and unpublished studies that address the seismic situation and earthquakes in the State of Kuwait. Kuwait is geographically and geologically situated in the northeastern part of the Arabian Peninsula. In addition to being close to the famous Zagros belt of earthquakes, the local seismic sources inside Kuwait make it always vulnerable to earthquakes. We will review the instrumental and historical seismic records and the Kuwait National Seismic Network, including Data acquisition, data analysis, and data analysis. This chapter will also highlight all the recent seismic studies conducted in the Kuwait region. The induced seismicity, the seismic sources affecting Kuwait, as well as determining the types of faults using focal mechanism technique, specifying the seismic crustal models and ground motion attenuation inside Kuwait are being reviewed.
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Conference papers on the topic "Crustal scattering, induced seismicity"

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Kondas, Sean M. "CRUSTAL UNLOADING BY QUARRYING AS A SOURCE OF INDUCED SEISMICITY IN PLAINFIELD, CONNECTICUT." In Joint 69th Annual Southeastern / 55th Annual Northeastern GSA Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020se-345096.

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