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Figure 1

From: Variations in seismic parameters for the earthquakes during loading and unloading periods in the Three Gorges Reservoir area

Figure 1

Geological structural map of the head area of the Three Gorges Reservoir. Huangling anticline (HLA), Zigui basin (ZGB), and Shennongjia block (SNJ) are the main tectonic units in the Three Gorges Reservoir area. The black dashed boxes represent the Badong earthquake swarm and the Zigui earthquake swarms, the gray dots represent the distribution of earthquakes since 2003, and red lines represent faults. The map was created using the free software GMT (http://mirrors.ustc.edu.cn/gmt/).

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