Fig. 1

The general information of landslide in Nanfen open-pit mine. (a) The location of the Nanfen open-pit. (b) An overall view of the landslide, including surface deformation and cracking (b-1, b-2, b-3, and b-4). tension cracks at the rear edge (b-5), and uplift accumulation at the slope toe (b-6). (c) The panoramic view of Nanfen open-pit mine on Google Earth. The satellite imagery of (a) is obtained from ASF Date Search (https://search.asf.alaska.edu); The satellite imagery of (b) and (c) are obtained from Google Earth (https://earth.google.com).