Two loess landslide at the same hillslope triggered by the Mw 5.9 Minxian-Zhangxian earthquake in China (July 22, 2013): a comparative analysis of landslide mechanisms - Liu, Kun; Wang, Lanmin; Sun, Junjie; Xu, Shunhua; Lu, Yuxia; Tian, Wentong; Lu, Fucun (Frontiers in Earth Science, 2025)