Abstract: Objectives: On 8 February 2025 at 11: 50 a. m. local time, a catastrophic landslide occurred in Jinping Village, Muoai Town, Junlian County, Yibin City, Sichuan Province, China, resulting in 10 fatality and 19 missing persons, attracting widespread national and international attention. Methods: This study preliminarily reveals the pre-failure deformation mechanism and geomorphic evolution of the landslide based on multi-source remote sensing imagery, including C-band Sentinel-1 ascending, Fucheng-1 ascending, L-band Lutan-1 descending SAR imagery, and multi-temporal optical remote sensing images. Additionally, actively deformation slopes in the surrounding area were detected. Results: A small-scale slope failure event (about - 2.4×10⁴ m²) occurred at the Jinping Village landslide site between 28 June 2011 and 5 August 2014. Between 27 September and 31 December 2024, significant geomorphic changes were observed in the landslide body, suggesting possible reactivation. Time-series surface deformation derived from Sentinel-1 ascending, Fucheng-1 ascending and Lutan-1 descending imagery consistently shows an acceleration deformation trend in the Jinpingcun landslide from October to November 2024, with a maximum deformation rate of -166 mm/a, closely aligning with the geomorphic changes revealed by optical imagery. Conclusions: This study highlights the limitations of current geohazard investigation methods in effectively identifying such highly concealed landslide. Therefore, it is imperative to establish a routine monitoring system based on interferometric synthetic aperture radar technology to enable periodic wide-area detection and continuous monitoring of potential landslides in geohazard-prone areas. Such a system would enhance the early detection of potential landslides and provide technological support for landslide prevention and mitigation.