{"title":"GEODYNAMICS","authors":"Yu. Andrushchenko, O. Liashchuk","doi":"10.23939/jgd2021.02.084","DOIUrl":null,"url":null,"abstract":"The aim of the work is to determine the possibility of using local seismological networks of nuclear power plants as elements of the seismological monitoring system of the territory of Ukraine. Estimation of local seismicity and specification of quantitative parameters of seismological influences is carried out on the basis of materials of seismological observations. Operational processing and analysis of seismic signals registered on the elements of local seismological networks of NPPs is carried out by the Main Center for Special Control of the State Space Agency of Ukraine (MCSC SSA of Ukraine). In the process of implementation of the “Seismic Hazard Assessment and Seismic Resistance Action Plan” of existing NPPs, seismic monitoring networks were deployed at Ukrainian NPPs. To date, the MCSC receives data from the local seismological networks of Rivne, Khmelnytsky and Zaporizhzhya NPPs in a continuous mode. The processing of geophysical information coming from the NPP to the FSC is carried out by the operational next shift of the center with the help of FSC hardware and software and provides reliable data on the parameters of seismic sources registered by stations, their location and energy characteristics. In total, in the period from 2017 to 2021, 36 local earthquakes were registered by NPP seismic networks in Ukraine. The epicenters of the vast majority of them are located within the Ivano-Frankivsk, Ternopil and Lviv regions. The experience of conducting instrumental observations at NPP seismic stations testifies to their high efficiency and possibility of use as full-fledged elements of the seismological monitoring system of the territory of Ukraine. According to the results of primary processing of seismic data of 2017-2021, a catalog of seismic events registered by NPP seismic stations was created. The system of interpretation of the obtained results was improved, which allowed to determine equally well local, regional and teleseismic events of different nature and energy level. The practical significance of the obtained results lies in their direct focus on solving a number of practical problems of processing and interpretation of seismological data. The use of NPP seismic stations as elements of the general system of seismological monitoring of Ukraine will increase the reliability of detection and localization of sources and the probability of correct identification of the nature of seismic phenomena, which in turn will improve the assessment of tectonic structures in Ukraine.","PeriodicalId":46263,"journal":{"name":"Geodynamics","volume":null,"pages":null},"PeriodicalIF":1.0000,"publicationDate":"2021-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Geodynamics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23939/jgd2021.02.084","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"GEOCHEMISTRY & GEOPHYSICS","Score":null,"Total":0}
引用次数: 0
摘要
这项工作的目的是确定是否可能利用核电厂的当地地震台网作为乌克兰领土地震监测系统的组成部分。在地震观测资料的基础上,进行了局部地震活动性的估计和地震影响定量参数的规范。乌克兰国家航天局特别控制中心(MCSC SSA of Ukraine)负责对核电站当地地震台网上记录的地震信号进行业务处理和分析。在对现有核电站实施“地震危害评估和抗震行动计划”的过程中,在乌克兰核电站部署了地震监测网。迄今为止,MCSC以连续模式接收来自Rivne, Khmelnytsky和zaporizhhya核电站的当地地震台网的数据。核电站向FSC传送的地球物理信息由中心的下一个操作班次在FSC硬件和软件的帮助下进行处理,提供了台站记录的震源参数、位置和能量特征的可靠数据。总的来说,在2017年至2021年期间,乌克兰NPP地震台网记录了36次当地地震。其中绝大多数地震的震中位于伊万诺-弗兰科夫斯克、捷尔诺波尔和利沃夫地区。在核电站地震台站进行仪器观测的经验证明了它们的高效率和作为乌克兰领土地震监测系统的成熟组成部分的可能性。根据2017-2021年地震资料的初步处理结果,建立了核电站台站记录的地震事件目录。改进了对所得结果的解释系统,使其能够同样准确地确定不同性质和能级的局部、区域和远震事件。所得结果的实际意义在于直接解决了地震资料处理和解释的一些实际问题。使用核电站地震台站作为乌克兰地震监测一般系统的组成部分,将提高震源探测和定位的可靠性,以及正确识别地震现象性质的可能性,这反过来将改进对乌克兰构造结构的评估。
The aim of the work is to determine the possibility of using local seismological networks of nuclear power plants as elements of the seismological monitoring system of the territory of Ukraine. Estimation of local seismicity and specification of quantitative parameters of seismological influences is carried out on the basis of materials of seismological observations. Operational processing and analysis of seismic signals registered on the elements of local seismological networks of NPPs is carried out by the Main Center for Special Control of the State Space Agency of Ukraine (MCSC SSA of Ukraine). In the process of implementation of the “Seismic Hazard Assessment and Seismic Resistance Action Plan” of existing NPPs, seismic monitoring networks were deployed at Ukrainian NPPs. To date, the MCSC receives data from the local seismological networks of Rivne, Khmelnytsky and Zaporizhzhya NPPs in a continuous mode. The processing of geophysical information coming from the NPP to the FSC is carried out by the operational next shift of the center with the help of FSC hardware and software and provides reliable data on the parameters of seismic sources registered by stations, their location and energy characteristics. In total, in the period from 2017 to 2021, 36 local earthquakes were registered by NPP seismic networks in Ukraine. The epicenters of the vast majority of them are located within the Ivano-Frankivsk, Ternopil and Lviv regions. The experience of conducting instrumental observations at NPP seismic stations testifies to their high efficiency and possibility of use as full-fledged elements of the seismological monitoring system of the territory of Ukraine. According to the results of primary processing of seismic data of 2017-2021, a catalog of seismic events registered by NPP seismic stations was created. The system of interpretation of the obtained results was improved, which allowed to determine equally well local, regional and teleseismic events of different nature and energy level. The practical significance of the obtained results lies in their direct focus on solving a number of practical problems of processing and interpretation of seismological data. The use of NPP seismic stations as elements of the general system of seismological monitoring of Ukraine will increase the reliability of detection and localization of sources and the probability of correct identification of the nature of seismic phenomena, which in turn will improve the assessment of tectonic structures in Ukraine.