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地震学报（英文版）
中国地震学会
地震学报（英文版）

中国地震学会

陈运泰

双月刊

1000-9116

dzxb@ns.cdsn.org.cn

010-68473364

100081

北京民族学院南路5号（北京8116信箱）

地震学报（英文版）/Journal Earthquake ScienceCSCD
查看更多>>A Brief Introduction to ACTA SEISMOLOGICA SINICA(The Bulletin of the Seismological Society of China)Acta Seismologica Sinica is a comprehensive publication on seismology by the Seismological Society of China. Its Honorary Editor-in-Chief is Professor and Member of the Chinese Academy of Sciences Xin Ling QIN, Editor-in-Chief is Professor and Member of the CAS Yun Tai CHEN. The first issue of Chinese edition of the ASS was published in 1979, and that of the English edition in 1988. From 1994 both the English and Chinese editions started to publish not only one-to-one correspondence but also distributed to domestic and abroad simultaneously. From 1997, the publication period was changed from four to six issues per year. The two editions of ASS have been brought into Wanfang Digitized Journal Group and China Academy Journal Compact Disk (CAJ-CD) and China Journal Network (CJN). It is intended for those scientists and engineers, teachers and students in universities and colleges, engaged in seismology and geophysics in China and abroad. The main topics published are as follows: (1) Results of scientific and technical research in seismology as well as papers regarding geophysics, tectonics and engineering related to earthquake studies; (2) Articles presenting differences of scientific point of view in the field of seismology; (3) The present status and significant advances on research related to seismology; (4) Comments and discussions concerning seismology; (5) The recent trend of science and technology in seismology. ASS is a very important core journal in seismology and geophysics in China.In 1992, ASS won the First Class Prize which awarded by the State Seismological Bureau of China in May, First Class Prize by the Chinese Association of Science and Technology in September, First Class Prize by Beijing Editorial Society in December, and First Class Prize by the Department of Propaganda of Central committee of Chinese Communist Party, State Science and Technology Commission of China and the Office of Press and Publication of China in December. In 1996, ASS won again the First Class Prize which awarded by the China Seismological Bureau, Second class prize by the State Science and Technology Commission of China, and Second Class Prize in the whole nation compare and assessment of journal. In 1999, ASS won the “Nomination Prize” of China journal. In 2001, ASS was selected to the Chinese Journal Square Matrix, and won the “Double Prize Journal” of China. So far, Acta Seismologica Sinica has been included by the following important searching system, database and relating literature: 1)Engineering Index(EI)2)Реферативны Журнел （РЖ）3)Science Abstracts (SA)4)Current Bibliography of Science and Technology, Japan (CBSTJ)5)Bibliography and Index of Geology (GeoRef)6)Elsevier Science, Geo Abstracts2002-04-18
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    Evolution and spatiotemporal analysis of earthquake public opinion based on social media data

    Chenyu WangYanjun YeYingqiao QiuChen Li...
    387-406页
    查看更多>>摘要：As critical conduits for the dissemination of online public opinion,social media platforms offer a timely and effective means for managing emergencies during major disasters,such as earthquakes.This study focuses on the analysis of online public opinions following the Maduo M7.4 earthquake in Qinghai Province and the Yangbi M6.4 earthquake in Yunnan Province.By collecting,cleaning,and organizing post-earthquake Sina Weibo(short for Weibo)data,we employed the Latent Dirichlet Allocation(LDA)model to extract information pertinent to public opinion on these earthquakes.This analysis included a comparison of the nature and temporal evolution of online public opinions related to both events.An emotion analysis,utilizing an emotion dictionary,categorized the emotional content of post-earthquake Weibo posts,facilitating a comparative study of the characteristics and temporal trends of online public emotions following the earthquakes.The findings were visualized using Geographic Information System(GIS)techniques.The analysis revealed certain commonalities in online public opinion following both earthquakes.Notably,the peak of online engagement occurred within the first 24 hours post-earthquake,with a rapid decline observed between 24 to 48 hours thereafter.The variation in popularity of online public opinion was linked to aftershock occurrences.Adjusted for population factors,online engagement in areas surrounding the earthquake sites and in Sichuan Province was significantly high.Initially dominated by feelings of"fear"and"surprise",the public sentiment shifted towards a more positive outlook with the onset of rescue operations.However,distinctions in the online public response to each earthquake were also noted.Following the Yangbi earthquake,Yunnan Province reported the highest number of Weibo posts nationwide;in contrast,Qinghai Province ranked third post-Maduo earthquake,attributable to its smaller population size and extensive damage to communication infrastructure.This research offers a methodological approach for the analysis of online public opinion related to earthquakes,providing insights for the enhancement of post-disaster emergency management and public mental health support.
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    Critical analysis of the ULF power depression as a possible Tohoku earthquake precursor

    Vyacheslav A PilipenkoValery A Martines-BedenkoAkimasa YoshikawaKirolosse M Girgis...
    407-414页
    查看更多>>摘要：Among electromagnetic methods of short-term earthquake prediction,an approach is being actively developed based on the phenomenon of magnetic ultra-low-frequency(ULF)power depression occurring a few days before an earthquake.In particular,a nighttime geomagnetic power depression in the band 0.03-0.05 Hz was observed approximately 5 days before the catastrophic Tohoku 2011 earthquake.To verify the reliability of this method,we performed an extended analysis using data from magnetometer arrays JMA,MAGDAS,PWING,and INTERMAGNET.The selected stations included sites close to the epicenter(<300 km)and remote points(～10000 km).The band-integrated spectral power of nighttime magnetic noise decreased significantly from March 6-9,several days before the earthquake.However,such variations occur simultaneously not only at nearby stations but also at distant stations.During this event,the ULF power depression was caused by low global geomagnetic activity,as evidenced by the planetary index SME.Thus,the depression of geomagnetic ULF noise cannot be considered a reliable short-term precursor.
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    • 国家科技期刊平台
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    Assessment of earthquake location uncertainties for the design of local seismic networks

    Antonio FuggiSimone ReGiorgio TangoSergio Del Gaudio...
    415-433页
    查看更多>>摘要：The ability to estimate earthquake source locations,along with the appraisal of relevant uncertainties,is paramount in monitoring both natural and human-induced micro-seismicity.For this purpose,a monitoring network must be designed to minimize the location errors introduced by geometrically unbalanced networks.In this study,we first review different sources of errors relevant to the localization of seismic events,how they propagate through localization algorithms,and their impact on outcomes.We then propose a quantitative method,based on a Monte Carlo approach,to estimate the uncertainty in earthquake locations that is suited to the design,optimization,and assessment of the performance of a local seismic monitoring network.To illustrate the performance of the proposed approach,we analyzed the distribution of the localization uncertainties and their related dispersion for a highly dense grid of theoretical hypocenters in both the horizontal and vertical directions using an actual monitoring network layout.The results expand,quantitatively,the qualitative indications derived from purely geometrical parameters(azimuthal gap(AG))and classical detectability maps.The proposed method enables the systematic design,optimization,and evaluation of local seismic monitoring networks,enhancing monitoring accuracy in areas proximal to hydrocarbon production,geothermal fields,underground natural gas storage,and other subsurface activities.This approach aids in the accurate estimation of earthquake source locations and their associated uncertainties,which are crucial for assessing and mitigating seismic risks,thereby enabling the implementation of proactive measures to minimize potential hazards.From an operational perspective,reliably estimating location accuracy is crucial for evaluating the position of seismogenic sources and assessing possible links between well activities and the onset of seismicity.
      原文链接:
    • 国家科技期刊平台
    • NETL
    • NSTL
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    Potential of the Arkhangelsk seismic network for European Arctic monitoring

    Galina AntonovskayaYana KonechnayaEkaterina MorozovaYana Mikhailova...
    434-444页
    查看更多>>摘要：The Arkhangelsk Seismic Network(ASN)of the N.Laverov Federal Center for Integrated Arctic Research of the Ural Branch of the Russian Academy of Sciences,founded in 2003,includes 10 permanent seismic stations located on the coasts of the White,Barents,and Kara Seas and on the Arctic archipelagos of Novaya Zemlya,Franz Josef Land,and Severnaya Zemlya.The network is registered with the International Federation of Digital Seismograph Networks and the International Seismological Center.We used not only ASN data to process earthquakes but also the waveforms of various international seismic stations.The 13,000 seismic events were registered using ASN data for 2012-2022,and for 5,500 of them,we determined the parameters of the earthquake epicenters from the European Arctic.The spatial distribution of epicenters shows that the ASN monitors not only the main seismically active zones but also weak seismicity on the shelf of the Barents and Kara Seas.The representative magnitude of ASN was ML,rep=3.5.The level of microseismic noise has seasonal variations that affect the registration capabilities of each station included in the ASN and the overall sensitivity of the network as a whole.In summer,the sensitivity of the ASN decreased owing to the increasing microseismic and ambient noises,whereas in winter,the sensitivity of the ASN increased significantly because of the decrease.
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    • 国家科技期刊平台
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    A new calibration method for radon detector in seismic systems

    Hongwei RenYaowei Liu
    445-458页
    查看更多>>摘要：Radon observation is an important measurement item of seismic precursor network observation.The radon detector calibration is a key technical link for ensuring radon observation accuracy.At present,the radon detector calibration in seismic systems in China is faced with a series of bottleneck problems,such as aging and scrap,acquisition difficulties,high supervision costs,and transportation limitations of radon sources.As a result,a large number of radon detectors cannot be accurately calibrated regularly,seriously affecting the accuracy and reliability of radon observation data in China.To solve this problem,a new calibration method for radon detectors was established.The advantage of this method is that the dangerous radioactive substance,i.e.,the radon source,can be avoided,but only"standard instruments"and water samples with certain dissolved radon concentrations can be used to realize radon detector calibration.This method avoids the risk of radioactive leakage and solves the current widespread difficulties and bottleneck of radon detector calibration in seismic systems in China.The comparison experiment with the traditional calibration method shows that the error of the calibration coefficient obtained by the new method is less than 5%compared with that by the traditional method,which meets the requirements of seismic observation systems,confirming the reliability of the new method.This new method can completely replace the traditional calibration method of using a radon source in seismic systems.
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    Science and reflections:With some thoughts to young applied scientists and engineers

    Robert L Nowack
    459-493页
    查看更多>>摘要：I provide some science and reflections from my experiences working in geophysics,along with connections to computational and data sciences,including recent developments in machine learning.I highlight several individuals and groups who have influenced me,both through direct collaborations as well as from ideas and insights that I have learned from.While my reflections are rooted in geophysics,they should also be relevant to other computational scientific and engineering fields.I also provide some thoughts for young,applied scientists and engineers.
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    Earthquakes and Sustainable Infrastructure-Neodeterministic(NDSHA)Approach Guarantees Prevention Rather Than Cure

    Zengping WenGuoxin Wang
    494-497页
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