Figure 3
From: Pre-earthquake anomaly extraction from borehole strain data based on machine learning

Location map showing three stations and the Wenchuan and Lushan Earthquake epicenter. The yellow pentagrams denote the epicenter locations of the two earthquakes, while the blue triangles indicate the positions of the three stations, the black curves indicate the faults. Map is generated by GMT software, v. 4.5.18 (https://gmt-china.org/).