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[1]ZHONG Jun,FENG Xiaobo,WANG Bo,et al.Analysis on Anomalous Characteristics of Underground Fluid before the Menyuan,Qinghai MS6.9 Earthquake in 2022[J].Journal of Seismological Research,2022,45(02):308-317.[doi:10.20015/j.cnki.ISSN1000-0666.2022.0031]

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Analysis on Anomalous Characteristics of Underground Fluid before the Menyuan,Qinghai M_S6.9 Earthquake in 2022

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: 45 Number of periods: 2022 02 Page number: 308-317 Column: Public date: 2022-05-20

Title:: Analysis on Anomalous Characteristics of Underground Fluid before the Menyuan,Qinghai M_S6.9 Earthquake in 2022

Author(s):: ZHONG Jun; FENG Xiaobo; WANG Bo; ZHOU Zhihua; YAN Rui; (China Earthquake Networks Center,Beijing 100045,China)

Keywords:: the Menyuan M_S6.9 earthquake; underground fluid; anomalous characteristics

CLC:: P315.723

DOI:: 10.20015/j.cnki.ISSN1000-0666.2022.0031

Abstract:: In this paper,the observational data and the anomalous characteristics of the underground fluid around the epicenter of the Menyuan M_S6.9 earthquake on January 8,2022 are systematically analyzed,and the prediction process of this earthqake is retrospectively summarized.The results show that there are 9 anomalies within 500 km of the Menyuan epicenter,and 8 of them are medium-short term anomalies appearing 6 months before the earthquake.The anomalies are evenly distributed in space,mainly located within 200 km south of the Menyuan epicenter.There are similarities and differences on anomalous characteristics of the underground fluid between the 2022 Menyuan M_S6.9 earthquake and the other two earthquakes,the 2016 Menyuan M_S6.4 earthquake and the 2021 Maduo M_S7.4 earthquake.

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Last Update: 2022-05-20