Figure 4: Cumulative ΔCFS map at a 10-km depth (a) before 2022 caused by 11 earthquakes (Nos. 1–11) and (b) just after 2022 caused by 12 earthquakes (Nos. 1–12) including the 2022 Mw 6.6 Menyuan earthquake. The faults are represented by black curved lines, and the epicenter of the 2022 Maduo earthquake is marked with a red star. The green dashed lines indicate the 1990 Mw 6.2 Tianzhu and 2022 Mw 6.6 Menyuan earthquakes ruptures on the Qilian-Haiyuan fault system (segment BC). TLSF: the Tuolaishan fault; LLLF: the Lenglongling fault; JQHF: the Jinqianghe fault; MMSF: the Maomaoshan fault; LHSF: the Laohushan fault; HYF: the Haiyuan fault.