Induced seismicity

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These two recent examples of induced seismicity have demonstrated that Ohio is a good target region for establishing how earthquake hazards may be influenced by human activities. Foremost, Ohio has a relatively low background seismicity rate with ~4 recorded events per year between 1990 and 2004. By comparison, Ohio has seen that number jump to ...Decreasing the total fluid injection volume is an effective way to mitigate the seismicity, but it may hinder the stimulation of the reservoir formation and the production of the well. AB - This paper presents a case study of fault reactivation and induced seismicity during multistage hydraulic fracturing in Sichuan Basin, China.induced seismicity, earthquakes, triggering. The ability of fluid-generated subsurface stress changes to trigger earthquakes has long been recognized. However, the dramatic rise in the rate of human-induced earthquakes in the past decade has created abundant opportunities to study induced earthquakes and triggering processes.

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Induced seismicity -- earthquakes that are induced or triggered by human activity -- is on the rise all across America. The biggest seismic news is coming out of Oklahoma, but Ohio, Arkansas, Texas, Colorado, New Mexico and West Virginia have also experienced an increase in significantly sized earthquakes due to human activity.1 Introduction. The recent increase of induced seismicity has been linked to subsurface energy activities involving injection operations such as wastewater injection related to conventional oil and gas development (Ellsworth, 2013; Hough, 2014; Kerenan et al., 2013; Rubinstein et al., 2014), geothermal energy production (Giardini, 2009), or geological CO 2 sequestration (White & Foxall, 2016).The Rangely, Colorado, induced seismicity experiment is an important milestone in the study of induced seismicity that firmly established the effective stress mechanism for induced seismicity. Water injection at the Rangely oilfield began in 1957 in response to declining petroleum production and decreased reservoir pressures.Abstract. The Permian Basin has a long history of induced earthquakes, but the seismicity rates have increased dramatically over the past two decades and included a M W . Study Area. Publication type: Article: Publication Subtype: Journal Article: Title: The proliferation of induced seismicity in the Permian Basin, Texas: Series title: Journal ...There are two primary factors that directly affect the predicted probability of moderate earthquakes in the statistical model, that is, the temporal seismicity decay after peak injection and the b value used to describe magnitude distributions. In this comment, we examine the observed range of p and b values and report implications for exceedance probabilities of moderate earthquakes in 2017 ...induced seismicity, its causes, effects, and associated risks; identify gaps and deficiencies in current hazard assessment methodologies for induced seismicity and research needed to close those gaps; identify and assess options for interim steps toward best practices, pending resolution of key outstanding research questions. ...Induced seismicity due to fluid injection is a phenomenon observed scientifically beginning in the 1960s. Since 2009, the USA has experienced a significant increase in seismicity in the midcontinent region, also known as the Central and Eastern United States (CEUS). The increase in earthquakes is associated with recent changes in hydrocarbon ...Induced seismicity is a limiting factor for the development of Enhanced Geothermal Systems (EGS). Its causal mechanisms are not fully understood, especially those of post-injection seismicity.Induced seismicity on critically stressed faults as a consequence of changes in pore pressure and related changes in stress due to anthropogenic activities. Credit: sketch inspired by Rutqvist et ...Between the years 1973-2008, there was an average of 25 earthquakes of magnitude three and larger in the central and eastern United States. Since 2009, at least 58 earthquakes of this size have occurred each year, and at least 100 earthquakes of this size every year since 2013. The rate peaked in 2015 with 1010 M3+ earthquakes.Induced seismicity is typically earthquakes and tremors that are caused by human activity that alters the stresses and strains on Earth's crust. Most induced seismicity is of a low magnitude . A few sites regularly have larger quakes, such as The Geysers geothermal plant in California which averaged two M4 events and 15 M3 events every year ... Injection of fluid into the crust can generate seismicity, with source mechanisms similar to natural earthquakes and occasionally large enough to cause damage (1-6).Induced seismicity is generally regarded as a manifestation of the effective stress principle, where the increase in pore pressure reduces the effective normal stress and brings a preexisting fault or intact rock mass to failure ().for induced seismicity Chris Willacy 1 , Ewoud van Dedem 1 , Sara Minisini 1 , Junlun Li 2 , Jan-Willem Blokland 1 , Indrajit Das 3 , and Alexander Droujinine 1Fig. 1: A year of seismicity in the epicentral area of the 2016 M = 6.0 Amatrice earthquake (star) in Italy color coded by time of occurrence.In the context of fluid-induced seismicity, various injection parameters have been shown to affect fault behaviour differently, although existing studies about their effects sometimes show ...The results have been applied to the induced seismicity observed within the giant Groningen gas field, onshore Netherlands, where recorded earthquakes are triggered by stress changes, induced in the reservoir through pressure depletion. Locating events below the field is compounded by the presence of strong guided waves, which are trapped in ...1.1 Overview of Induced Seismicity and Its Triggering Mechanism. Induced seismicity is a dynamic phenomenon that needs to be comprehensively understood in various fields, such as deep underground mining, wastewater injection, hydraulic fracturing to enhance gas and oil recovery, carbon capture and storage (CCS), geothermal energy development (Alber and Fritschen 2011; Alber et al. 2009 ...Determining the onset, mechanisms, and seismic hazard risk of reservoir-triggered seismicity (RTS) is difficult. However, the human-induced earthquake (HiQuake) database reports that about 15% of ...Induced seismicity traffic light protocol (IS-TLP), which is defined as a real-time risk management system with multiple response levels, is the most widely used tool for hazard management and mitigation [35], [41], [67]. In general, three notification levels (i.e., green, yellow, and red levels, analogous to traffic light system) are defined ...The filling of water in the reservoir enhances the amount of pressure in that area. The more likely explanation for reservoir induced seismicity is the increase of pore pressure because of the hydrostatic head of the reservoir. Also, annual/seasonal fluctuation of water creates stress beneath the reservoir causing earthquake occurrence. 1. Introduction. There has been a remarkable increase of induced seismicity in the Western Canada Sedimentary Basin (WCSB) since 2009 when the horizontal drilling and multistage hydraulic fracturing technologies were adopted to develop the shale reservoirs in WCSB (Atkinson et al., 2016).It is believed that some large induced seismicity events can be related to multistage hydraulic fracturing ...In the context of fluid-induced seismicity, various injection parameters have been shown to affect fault behaviour differently, although existing studies about their effects sometimes show ...This study statistically evaluated the characteristics of induced earthquakes by geothermal power plants (GPPs) and generated a probabilistic model for simulating stochastic seismic events. Four well-known power plant zones were selected worldwide from the United States, Germany, France, and New Zealand. The operational condition information, as well as the corresponding earthquake catalogs ...Reservoir-induced seismicity was observed in 2004 after theWe compile published examples of induced earthquakes that ha Mining-induced seismicity is a worldwide phenomenon. In general, two types of mining-induced seismic events exist (Gibowicz and Kijko 1994).The first type results from the formation of fractures near the faces, e.g., roof fracturing (Bischoff et al. 2010; Iannacchione et al. 2005; Xu et al. 2015; Zhang et al. 2020) or punching of a remnant pillar (Alber et al. 2009). Hence, to mitigate induced seismicity during m A series of 112 earthquakes was recorded between October 2005 and August 2007 during the excavation of the MFS Faido, the southernmost access point of the new Gotthard Base Tunnel. Earthquakes were recorded at a dense network of 11 stations, including 2 stations in the tunnel. Local magnitudes computed from Wood-Anderson-filtered horizontal component seismograms ranged from −1.0 to 2.4 ...1.1 Overview of Induced Seismicity and Its Triggering Mechanism. Induced seismicity is a dynamic phenomenon that needs to be comprehensively understood in various fields, such as deep underground mining, wastewater injection, hydraulic fracturing to enhance gas and oil recovery, carbon capture and storage (CCS), geothermal energy development (Alber and Fritschen 2011; Alber et al. 2009 ... Depth is a critical parameter for discrimination between

1. Introduction. There has been a remarkable increase of induced seismicity in the Western Canada Sedimentary Basin (WCSB) since 2009 when the horizontal drilling and multistage hydraulic fracturing technologies were adopted to develop the shale reservoirs in WCSB (Atkinson et al., 2016).It is believed that some large induced seismicity events can be related to multistage hydraulic fracturing ...Induced seismicity has been found to occur in the shallower part of the continental crust, near the depths at which the injection wells are drilled, e.g. < 6km depth, while most natural earthquakes on continents occur much deeper, e.g. within 30km of the surface (Shedlock and Pakiser, 2013).The spatiotemporal patterns of injection-induced seismicity (IIS) are commonly interpreted with the concept of a triggering front, which propagates in a diffusion-like manner with an associated diffusivity parameter. Here, we refer to this diffusivity as the "seismic diffusivity." Several previous studies implicitly assume that seismic ...We investigate the spatiotemporal evolution of ground motion caused by reservoir-induced seismicity at the Pertusillo artificial lake in southern Italy. The area has a strong seismogenic potential, having been affected in the past by the 1857, Mw 7.0 Basilicata earthquake. We consider ∼1,000 microearthquakes that occurred from 2001 to 2018 and were recorded by a local network of nine seismic ...

Induced seismicity is occurring at the 315-m high Nurek dam in Tadjikistan, USSR. An intense burst of seismicity accompanied the second burst of seismicity accompanied the second stage of filling of the reservoir from 120 to 200 m during August to December 1976. Hypo-central locations and fault plane solutions determined using data from a 10 ...Our results also suggest a direct relationship between hydrocarbon production and seismicity in both areas, although additional analyses, such as modelling of induced stress perturbations at the ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Fluid injection induced seismicity reveals a NE dipp. Possible cause: Jun 16, 2020 · Fig. 1: Conceptual picture of induced seismicity including.

The hazard posed by induced and triggered seismicity is a growing concern, notably in the geoenergy industry, both fossil and renewable (1, 2).If viewed as large-scale …TexNet-CISR also manages the Regional Induced Seismicity Collaborative (RISC). The state geologic surveys of Texas, Oklahoma, Kansas, New Mexico, and Arkansas, in cooperation with the U.S. Department of Energy and the Ground Water Protection Council, have formed a collaborative research project to address the issues of induced seismicity in the ... Induced seismicity is mainly mentioned in association with large/high dams. Table 1 shows data on several cases of induced seismicity observed worldwide. For each RIS case, relevant data as is the magnitude of the strongest shock, the dam height, the reservoir volume, etc., are given.

The seismicity rate distribution along a given fault over time R(x, t) will quantify the poroelastic coupling effects on the patterns of induced seismicity for different operational scenarios. The details of the numerical procedure can be found in (Chang & Segall, 2016 ).Injection-induced seismicity can thus be well explained using the diffusion equation, where the pore pressure perturbation alters the effective stress regime, causing the seismic activities. The triggering of injection-induced seismicity is mainly controlled by two physical fields, the pore pressure diffusivity and fault stress criticality.

Induced seismicity management approaches applied during the In the context of fluid-induced seismicity, various injection parameters have been shown to affect fault behaviour differently, although existing studies about their effects sometimes show ...Induced seismicity poses the highest hazard in two areas, which are Oklahoma/southern Kansas and the Colorado/New Mexico area known as the Raton Basin. In those areas, there is a significant chance that damaging levels of ground motion will occur in 2017. In terms of seismicity, however, the potential for inducing seismThere are many possible causes of earthquakes, or seismicity Feb 12, 2020 · For the Netherlands in particular, the occurrence of felt seismicity is undesirable as the country is densely populated and induced seismicity due to gas production has already caused damage to >1000 buildings in the north, in the province of Groningen (Fig. 1B). To proceed with the expansion of geothermal technologies in the Netherlands it is ... Induced Seismicity our group currently develops a fully coupled non-linear hydraulic-seismic 3D model joint with the hazard assessment procedure. 2.2 Model Performance Testing and Ranking As one of the first steps, a testing framework for induced seismicity forecasting is being built up. The aim is to balance model prediction The sharp rise in Oklahoma seismicity since 2009 Seismicity in Central Oklahoma from May 2013 to November 2016. The map (A) depicts our study area (Central Oklahoma), bounded by latitude 35.5° to 36.5° and longitude −97.7° to −96.8° (red ...The sharp rise in Oklahoma seismicity since 2009 is due to wastewater injection. The role of injection depth is an open, complex issue, yet critical for hazard assessment and regulation. We developed an advanced Bayesian network to model joint conditional dependencies between spatial, operational, and seismicity parameters. For induced seismicity, however, this network is developed in quitDetermining the onset, mechanisms, and seismic hazard risk oInduced seismicity are minor earthquakes or tremors that are caus We infer from the spatial and temporal pattern of seismicity that the seismicity at The Geysers is induced by geothermal production activities. With the expansion of power production by approximately 70% in 1979-1980, seismic activity has developed near the new production areas. Seismicity has also expanded northwestward of the present ... 8. INDUCED SEISMICITY With the geothermal production and injectio Hydraulic fracturing is a key technology in the development of unconventional oil and gas reservoirs. With the continuous industrialization and large-scale development of shale gas production in China, the workload of hydraulic fracturing is also increasing rapidly, and the induced seismic events are also increasing gradually, resulting in different …1 Introduction. Extensive use of hydraulic fracturing (HF) for unconventional oil and gas development has been accompanied, in some parts of the world, by anomalous-induced seismicity including triggered earthquakes up to M W 5.2 (Lei et al., 2019).The use of spatiotemporal clustering (McKean et al., 2019; Zaliapin et al., 2008) makes it increasingly clear that induced seismicity hazard from ... INDUCED SEISMICITY. Though injection and withdrawal of fluids are Induced seismicity in geologic carbon storage, Solid Earth, 2019 The development of the Rittershoffen deep geothermal field (Alsace, Upper Rhine Graben) between 2012 and 2014 induced unfelt seismicity with a local magnitude of less than 1.6. This seismicity occurred during two types of operations: (1) mud losses in the Muschelkalk formation during the drilling of both wells of the doublet and (2) thermal and hydraulic stimulations of the GRT-1 well ...In order to assess objective seismic hazard in an induced seismicity zone e.g. induced seismicity region in oil or gas 14,54,55 fields or induced seismicity in geothermal systems 56, the maximum ...