SEISMOGENIC

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Seismogenic model of the 2023 M_(W)5.5 Pingyuan earthquake in North China Plain and its tectonic implications被引量：1
《Earthquake Science》2024年第6期499-513,共15页Shiguang Wang Libo Han Junju Xie Liping Fan Xiang Huang Jinmeng Bi Hongfeng Yang Lihua Fang 
supported from the National Natural Science Foundation of China(No.42374081);the Fundamental Research Funds for the Institute of Geophysics,China Earthquake Administration(Nos.DQJB23B22,DQJB22K36 and DQJB23Z04);Hong Research Grants Council(Nos.14306122 and 14308523)。
The 6 August 2023 M_(W)5.5 Pingyuan earthquake is the largest earthquake in the central North China Plain(NCP)over the past two decades.Due to the thick sedimentary cover,no corresponding active faults have been repor...
关键词：Pingyuan earthquake aftershock relocation focal mechanism S-wave velocity structure North China Plain 
Joint inversion of Rayleigh group and phase velocities for S-wave velocity structure of the 2021 M_(S)6.0 Luxian earthquake source area,China
《Earthquake Science》2023年第5期356-375,共20页Wei Xu Pingping Wu Dahu Li Huili Guo Qiyan Yang Laiyu Lu Zhifeng Ding 
This work was supported by the Special Fund of the Institute of Geophysics,China Earthquake Administration(Nos.DQJB22B19,DQJB22R29 and DQJB22B26);the National Natural Science Foundation of China(Nos.41974066,U1839209 and 42074053)。
On September 16,2021,a MS6.0 earthquake struck Luxian County,one of the shale gas blocks in the Southeastern Sichuan Basin,China.To understand the seismogenic environment and its mechanism,we inverted a fine three-dim...
关键词：Luxian earthquake ambient noise tomography S-wave velocity model SEISMICITY seismogenic mechanism joint inversion 
Seismogenic environment and mechanism of the Yangbi M_(S)6.4 earthquake in Yunnan,China
《Earthquake Science》2022年第4期297-310,共14页Mengqiao Duan Kezhen Zuo Cuiping Zhao Lianqing Zhou 
This work was jointly supported by the National Key R&D Program of China(No.2021YFC3000700);the National Natural Science Foundation of China(No.42174066).
The Yangbi M_(S)6.4 earthquake occurred on May 21,2021 in western Yunnan,China,where moderate earthquakes strike frequently.It exhibited a typical“foreshock-mainshock-aftershock”sequence and did not occur on a pre-e...
关键词：Yangbi M_(S)6.4 earthquake v_(P) v_(S) and v_(P)/v_(S)tomography seismogenic environment and mechanism 
Crustal velocity, density structure, and seismogenic environment in the southern segment of the North- South Seismic Belt, China
《Earthquake Science》2021年第6期471-488,共18页Xun Sun Lianghui Guo 
This research was jointly funded by the National Key R&D Program of China(No.2021YFA0715101);the National Natural Science Foundation of China(Nos.41974101 and 41774098);the MOST Special Fund from the State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences.We thank the two anonymous reviewers and the associate editor for their precious comments and suggestions。
The southern segment of the North-South Seismic Belt in China is a critical region for earthquake preparedness and risk reduction efforts.However,limited by the low density of seismic stations and the use of single-pa...
关键词：southern segment of the North-South Seismic Belt ambient noise tomography 3D gravity inversion crustal structure seismogenic environment. 
Pattern recognition of seismogenic nodes using Kohonen selforganizing map: example in west and south west of Alborz region in Iran
《Earthquake Science》2017年第3期145-155,共11页Mostafa Allamehzadeh Soma Durudi Leila Mahshadnia 
Pattern recognition of seismic and mor- phostructural nodes plays an important role in seismic hazard assessment. This is a known fact in seismology that tectonic nodes are prone areas to large earthquake and have thi...
关键词：Clustering - Earthquake prediction ~ Self-organizing feature maps （SOFM） 
Seismogenic tectonics of the Qian-Gorlos earthquake in Jilin Province,China被引量：3
《Earthquake Science》2016年第2期93-103,共11页Jun Shen Bo Shao Xiao-hui Yu Yang Yu Gao Qi Mei Deng Hanwen Zhang 
supported by the National Natural Science Foundation of China under Grant No.41372216;the Major Projects of the Ministry of Finance under Grant No.201108001;the Fundamental Research Funds of the Central Universities under Grant No.20120102 and No.ZY20150303;the Teachers Fund of China Earthquake Administration under Grant No.2012001
The Qian-Gorlos earthquake, which occurred in the Songliao basin in Jilin Province in 1119 AD, was the largest earthquake to occur in NE China before the 1975 Haicheng earthquake. Based on historical records and surfa...
关键词：Qian-Gorlos earthquake Historical earthquake Seismogenic structure 
The ultra-low-frequency magnetic disturbances associated with earthquakes被引量：7
《Earthquake Science》2011年第6期523-534,共12页Masashi Hayakawa Yasuhide Hobara Kenji Ohta Katsumi Hattori 
A considerable part of the works was carried out in the frameworks of Frontier Projects by NASDA and RIKEN;NICT(National Institute of Information and Communications Technology) (R and D promotion scheme funding international joint research) for its financial support
The ultra-low-frequency （ULF） electromagnetic emission is recently recognized as one of the most promising candidates for short-term earthquake （EQ） prediction. This paper reviews previous convincing evidence on t...
关键词：seismogenic ULF emission earthquake prediction magnetic sensor signal processing 
Average recurrence intervals of strong earthquakes and potential risky segments along the Taiyuan-Linfen portion of the Shanxi graben system被引量：6
《Acta Seismologica Sinica(English Edition)》2004年第4期426-437,共12页易桂喜 闻学泽 徐锡伟 
Since the great 1303 Hongtong, Shanxi, earthquake of magnitude 8, 700 years have elapsed. To analyze the long-term seismic potential, this paper divides the Taiyuan-Linfen portion of the Shanxi graben system into 5 se...
关键词：historical earthquakes seismogenic segment moment rate average recurrence interval poten- 
Gravity evolution and earthquake activities of the northeastern edge of Qinghai-Xizang block
《Acta Seismologica Sinica(English Edition)》2004年第z1期76-84,共9页祝意青 李辉 朱桂芝 徐云马 
Key Project of China Earthquake Administration during the tenth Five-year Plan (100501-05-05).
The relationship between temporal-spatial evolution of gravity and earthquake activity during 1992~2001 has been analyzed systematically by integrally adjusting the gravity observation data of the northeastern edge o...
关键词：northeastern edge of Qinghai-Xizang block gravity evolution tectonic activity seismogenic  characteristics 
A study on physical property of crustal material and seismogenic environment in northeastern Pamir被引量：2
《Acta Seismologica Sinica(English Edition)》2003年第3期251-259,共9页刘志 张先康 周雪松 赵金仁 张成科 潘纪顺 
State Key Basic Development and Programming Project (G1998040702);the Project (9691307) from Ministry of Science and Technology and China Seismological Bureau.
2-D crustal structure and velocity ratio are obtained by processing S-wave data from two wide-angle reflec-tion/refraction profiles in and around Jiashi in northeastern Pamir, with the result of P-wave data taken into...
关键词：northeastern Pamirs crustal structure in terms of physical property Jiashi strong earthquake swarm velocity ratio 
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