The Matai'an landslide is the largest landslide event ever recorded in Taiwan, with an estimated volume of approximately 308 million m 3 . The failure resulted in the formation of a landslide dam, whose subsequent breach triggered a catastrophic flood, resulting in 19 fatalities, 5 missing persons, and 157 injuries. Multitemporal remote sensing analysis revealed obvious geomorphic precursor features prior to the landslide, wit...