Induced seismicity in the Changning salt mining zone, China, could be driven by the pore-pressure diffusion

Seismological Evidence for the Existence of Long‐Distance Hydrological Channel and Its Implication for Fluid Overpressure in Southern Sichuan, China

“…Studies on the seismicity migration (Lei et al, 2020;Meng et al, 2018), focal mechanism (Chu & Sheng, 2023;Dai et al, 2023;Liu & Zahradník, 2020;Sheng et al, 2020;Yi et al, 2020), Coulomb stress changes (Lei et al, 2017), finite fault models (S. Wang et al, 2022), statistical analysis (e.g., b-values and ETAS models, etc.) (Sheng et al, 2022;Tan et al, 2023), and numerical simulation (H. Yang et al, 2024; in southern Sichuan suggested that industrial activities could alter the subsurface fluid state, affect the local crustal stress, accelerate the fracturing of tectonic formations, and finally induce earthquakes. On one hand, the direct penetration of fluid into pre-existing faults increases the pore pressure within faults, thereby facilitating fault slip (Bao & Eaton, 2016;Goebel & Brodsky, 2018;Igonin et al, 2021;Schultz et al, 2017;Yu et al, 2019).…”