[1]JIA Donghui,YU Huaizhong,ZHAO Binbin,et al.Research on Fault Hydrogen Anomaly Mechanism based on the Load/Unload Response Ratio Theory[J].Journal of Seismological Research,2025,(02):210-219.[doi:10.20015/j.cnki.ISSN1000-0666.2025.0022 ]
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Research on Fault Hydrogen Anomaly Mechanism based on the Load/Unload Response Ratio Theory

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: Number of periods: 2025 02 Page number: 210-219 Column: Public date: 2025-02-10
Title:
Research on Fault Hydrogen Anomaly Mechanism based on the Load/Unload Response Ratio Theory
Author(s):
JIA Donghui1; 2; YU Huaizhong3; ZHAO Binbin2; ZHANG Tao2; LIU Haiyang4
(1.College of Earth and Planet Sciences,Chengdu University of Technology,Chengdu 610059,Sichuan,China)(2.Earthquake Agency of Xinjiang Uygur Autonomous Region,Urumqi 830011,Xinjiang,China)(3.China Earthquake Networks Center,Beijing 100045,China)(4.Aksu Earthquake Monitoring Center Station,Aksu 843000,Xinjiang,China)
Keywords:
hydrogen;  Load/Unload Response Ratio;  anomaly mechanism;  earthquake precursor;  tectonic activity
CLC:
P315.72
DOI:
10.20015/j.cnki.ISSN1000-0666.2025.0022
Abstract:
The fault's hydrogen data which are observed by Aksu station and Korla station in Xinjiang are used to study the relationship between the tidal stress and the hydrogen dynamics in this area.The Load/Unload Response Ratio(LURR)theory is used to explore the abnormal change mechanism and the earthquake precursory mechanism of the fault's hydrogen,to obtain the response characteristics of the hydrogen under the action of the tidal stress loading.The results show that the variation of fault's hydrogen has tidal effect; it is sensitive to tidal stress in the case of the crustal stress loading.The hydrogen's high-value anomaly occurs mostly in the modulation period.According to the calculation of the Load/Unload Response Ratio,the Load/Unload Response Ratio has better prediction efficiency than the original observation data.The number 1.02 can be used as a threshold for judging the fault's hydrogen anomaly; when LURR value exceeds the threshold,there would exist a risk of moderate-and strong-earthquake in a short term in the study area.This index has passed the R-value test evaluation.
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