Using in-situ Vp/Vs to track the pore pressure evolution in fault zones
Consistent ~4% of in-situ Vp/Vs increases precede M>3 HF-induced earthquakes
link ↗Postdoctoral Researcher
McGill UniversityMontréal, Québec
McGill UniversityMontréal, QuébecFrom seismic observations
to source mechanisms.
My research primarily focuses on the source mechanisms of hydraulic-fracturing-induced seismicity in the Western Canada Sedimentary Basin (WCSB) and southern Sichuan Basin (SCB), through both seismic observation and numerical modeling.
Mont Royal · 2025 fallResearch map
Induced seismicityEarthquake Source physicsSeismic HazardIn-situ Vp/Vs imagingAmbient noise tomographyInduced seismicityEarthquake Source physicsSeismic HazardIn-situ Vp/Vs imagingAmbient noise tomography
A few things I care deeply about
Selected research
Selected writing & discoveries
Publications
2026August
Injected fluids both trigger and facilitate a cascade of larger earthquake ruptures
Yapei Ye, Wen Yang, Jian Xu, Junlun Li, Renqi Lu, Hongyu Yu, Chang Guo, Yingwen Zhao, Haijiang Zhang, Ryan Schultz
Earth and Planetary Science Letters
2026May
Elevated in-situ Vp/Vs preceding hydraulic-fracturing-induced earthquakes
Jian Xu, Yajing Liu, Junlun Li, Marco P Roth, Rebecca M Harrington, Yicheng He
Communications Earth & Environment
2025April
Shallow lingering and deep transient seismicity related to hydraulic fracturing in the Changning shale gas field, Sichuan Basin, China
Jian Xu, Junlun Li, Wen Yang, Guoyi Chen, Yajing Liu, Alessandro Verdecchia, Rebecca M Harrington, Renqi Lu, Yuyang Tan, Yapei Ye, Jizhou Tang
Journal of Geophysical Research: Solid Earth
2023September
High-resolution velocity structure and seismogenic potential of strong earthquakes in the Bamei-Kangding segment of the Xianshuihe fault zone
Yan Zhao, Junlun Li, Jian Xu, Huajian Yao, Gaohua Zhu, Hongfeng Yang, Jinyu Zhang, Renqi Lu
Science China Earth Sciences
2023May
High seismic velocity structures control moderate to strong induced earthquake behaviors by shale gas development
Junlun Li, Jian Xu, Haijiang Zhang, Wen Yang, Yuyang Tan, Fengshou Zhang, Lingyuan Meng, Yang Zang, Siyu Miao, Chang Guo, Zhenyue Li, Renqi Lu, Jianbao Sun
Communications Earth & Environment
2023March
Tomographic evidences for hydraulic fracturing induced seismicity in the Changning shale gas field, southern Sichuan Basin, China
Yuyang Tan, Jiawei Qian, Jun Hu, Haijiang Zhang, Huilin Xing, Junlun Li, Jian Xu, Wen Yang, Ning Gu, Siyu Miao
Earth and Planetary Science Letters
2021February
High resolution tomography of the Tanlu fault zone near Hefei with passive seismic and magnetotelluric linear array data
Jian Xu, Kangdong Wang, Junlun Li, Ning Gu, Ning Ding, Jiawei Qian, Wen Yang, Haijiang Zhang
Earthquake Science
Academic formation
Education
Ph.D. in Geophysics
University of Science and Technology of China · Hefei, China
Source properties of HF-induced seismicity in the Changning shale gas fieldSupervisor · Prof. Junlun Li
Visiting Ph.D.
McGill · Montréal, Canada
Hydromechanical modeling and in-situ Vp/Vs imaging techniquesSupervisor · Prof. Yajing Liu
B.Sc. in Geophysics
University of Science and Technology of China · Hefei, China
Ambient noise tomography for Tanlu Fault zoneSchool of Earth and Space Sciences