SEISMOGENIC

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The seismic mechanisms and seismogenic environment of the M_(s) 6.2 earthquake in Jishishan, Gansu, China: Evidence from relocation, focal mechanisms, and rupture processes
《Earth and Planetary Physics》2025年第2期309-322,共14页TaiRan Xu ZhiGao Yang DanQing Dai Ming Zhi JianYong Zhang GuangBao Du Nan Xi Li Sun 
funded by the National Natural Science Foundation of China (Grant No. 42304072)。
On December 18, 2023, an M_(s) 6.2 earthquake jolted Jishishan County in the Linxia Hui Autonomous Prefecture in Northwest China's Gansu Province, causing substantial casualties and building collapses. The earthquake ...
关键词：RELOCATION focal mechanism earthquake rupture process Lajishan Fault seismic mechanism 
Impact of injection rate on smooth and rough fracture activation in granite:Laboratory-scale acoustic emission analysis
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2133-2145,共13页Rihua Jiang Kang Duan Yinlin Ji Qiangyong Zhang Luchao Wang Yang Zheng 
supported by the National Key Research and Development Program of China (Grant No.2023YFB2390300)and the National Natural Science Foundation of China (Grant No.42172292);Yinlin Ji is grateful for the support by the Helmholtz Association's Initiative and Networking Fund for the Helmholtz Young Investigator Group ARES (Contract No.VH-NG-1516).
This study aims to understand the effect of injection rate on injection-induced fracture activation in granite.We performed water injection-induced slip tests on samples containing either a smooth or a rough fracture ...
关键词：Laboratory fracture Fracture activation Injection-induced fracture slip Injection rate Acoustic emission Seismogenic index 
Upper crustal azimuthal anisotropy and seismogenic tectonics of the Hefei segment of the Tan-Lu Fault Zone from ambient noise tomography
《Earth and Planetary Physics》2025年第2期253-265,共13页Cheng Li HuaJianYao Song Luo HaiJiang Zhang LingLi Li XiaoLi Wang ShengJun Ni 
financially supported by the National Key Research and Development Program of China (2022YFC3005600);the Foundation of the Anhui Educational Commission (2023AH051198);the National Natural Science Foundation of China (42125401 and 42104063);the Joint Open Fund of Mengcheng National Geophysical Observatory (MENGO-202201)。
The Tan-Lu Fault Zone is a large NNE-trending fault zone that has a substantial effect on the development of eastern China and its earthquake disaster prevention efforts. Aiming at the azimuthally anisotropic structur...
关键词：ambient noise tomography azimuthal anisotropy upper crust seismogenic structure the Tan-Lu Fault Zone Hefei segment 
Uncovering implicit Seismogenic associated regions towards promoting urban resilience
《Resilient Cities and Structures》2024年第4期83-94,共12页Roya Habibi Ali Asghar Alesheikh 
Earthquakes pose a significant threat to urban environments,highlighting the need for enhanced seismic resilience.To improve understanding of earthquake dynamics and the interplay of seismic activity across space,this...
关键词：Earthquake pattern Spatiotemporal association rule Iran Seismotectonic zoning APRIORI 
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 
Deep tectonics and seismogenic mechanisms of the seismic source zone of the Jishishan M_(s)6.2 earthquake on December 18,2023,at the northeast margin of the Tibetan Plateau被引量：1
《Earth and Planetary Physics》2024年第3期514-521,共8页Qiong Wang ShuYu Li XinYi Li Yue Wu PanPan Zhao Yuan Gao 
the National Natural Science Foundation of China(Project Nos.41804046 and 41974050);the Special Fund of the Key Laboratory of Earthquake Prediction,China Earthquake Administration(No.CEAIEF2022010100).
On December 18,2023,an M_(s)6.2 earthquake occurred in Jishishan,Gansu Province,China.This earthquake happened in the eastern region of the Qilian Orogenic Belt,which is situated at the forefront of the NE margin of t...
关键词：Jishishan M_(s)6.2 earthquake crustal structure anisotropy stress and strain seismogenic mechanism northeast margin of the Tibetan Plateau 
Decoding Subsurface Secondary Mineralisation and its Impact on Cohesive Strength:An Outcome of the Deep Scientific Drilling Program in the Koyna-Warna Seismogenic Region,Western India
《Acta Geologica Sinica(English Edition)》2024年第S01期44-50,共7页Halder PIYAL Sharma ANUPAM Kumar Shukla MATSYENDRA Kumar KAMLESH 
the Ministry of Earth Sciences,Govt of India,for the financial support[MoES/P.O.(Seismo)/1(374)/2019]and Dr.Sukanta Roy,Project Director,MoES-BGRL,Karad,for providing samples.
The Koyna-Warna seismogenic region overlying the Deccan volcanic province of Western India has been experiencing the recurrence of earthquakes since 1967 soon after the impoundment of the Koyna Dam.A large number of s...
关键词：fluid-rock interaction FAULTS CHLORITE hydrothermal alteration recurring seismicity 
Study on the Physical Process and Seismogenic Mechanism of the Yangbi MS 6.4 Earthquake in Dali,Yunnan Province
《Acta Geologica Sinica(English Edition)》2024年第S01期22-23,共2页DUAN Mengqiao ZHAO Cuiping ZHOU Lianqing 
The Ms 6.4 earthquake occurred on May 21,2021 in Yangbi County,Dali Prefecture,Yunnan Province,which was the largest earthquake after the 2014 Jinggu Ms 6.6 earthquake,in western Yunnan.After the earthquake,the rapid ...
关键词：The Yangbi Ms 6.4 earthquake 3D velocity structure microseismic detection B-VALUE source parameters nuleation process seismogenic mechanism 
Variations of Atmospheric ELF/VLF Radio Noise Due to Seismogenic Modifications in Tropospheric Conductivity
《Open Journal of Earthquake Research》2024年第2期113-132,共20页Masashi Hayakawa Alexander P. Nickolaenko 
We suggest a possible explanation of the influence of pre-seismic activity on the registration rate of natural ELF(extremely low frequency)/VLF(very low frequency) pulses and the changes of their characteristics. The ...
关键词：ELF/VLF Radio Noise Earthquake Precursor Pre-Seismic Modification Conductivity Anomaly in the Lower Atmosphere Radioactive Radon Gases CG Lightning Discharges IC Discharges Cloud-to-Ionosphere Discharge 
Identifying and localizing of seismogenic electromagnetic anomalies from data observed by permanent MT stations
《Science China Earth Sciences》2024年第5期1698-1713,共16页Bing HAN Wenbao HU Guoze ZHAO Ji TANG 
financially supported by the National Natural Science Foundation of China (Grant No. 41574064);the Independent Research Projects of State Key Laboratory of Earthquake Dynamics (Grant No. LED2023A07);the National Major Science and Technology Facilities Project (Grant No. 1512Z0000001)。
In this research, an arbitrarily oriented electric dipole at subsurface is used to simulate Seismogenic Electromagnetic(SEM) radiation emanating from a seismic zone during its gestation phase. Analytical synthesis of ...
关键词：MT responses Identifying SEM anomaly Vector electric dipole responses Localizing SEM sources by inversion 
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