An Improved Spatial Clustering Method for Automatic Detection of Active Geohazards in Lanzhou. - Yixin Ma; Bo Chen; Zhenhong Li 001; Guanjun Wei; Chuang Song; Roberto Tomás; Fan Wen; Yi Chen; Jianbing Peng (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)