2026-10-12T23:10:17Z https://api.figshare.com/v2/oai

oai:figshare.com:article/34005156 2026-09-27T15:07:28Z category_25873 category_25939 item_type_3 month_year_09_2026

<b>Precursor</b><b>s</b><b> of the 2026 Nepal rock–ice avalanche</b><b>: </b><b>differentiated deformation</b> Sirui Zhang (16647198) Guangjie Luo (7431668) Geophysics not elsewhere classified Earth system sciences The 2026 Nepal rock–ice avalanche Precursor detection Pre-failure evolution Satellite remote sensing Cryospheric hazards Global warming <p dir="ltr">On 26 August 2026, an rock–ice avalanche detached from the northwestern slope of Tsangbu Ri in the Nepal, with no recorded seismic or precipitation trigger. Here we combine ascending- and descending-track Sentinel-1 interferometric synthetic aperture radar (InSAR) observations from 2015–2026 with NISAR L-band polarimetric data to reconstruct the complete pre-failure evolution of the source slope. We show that the rock-ice avalanche mass(RIAM) became internally fragmented following the 2015 Gorkha earthquake, and that the maxima of both deformation and fracturing coincide at the ice–rock junction. Then, differential acceleration within the RIAM emerged two years before the collapse, synchronous with anomalously high air temperatures. This precursory signal extends the warning window for ice–rock avalanches to several years and provides a transferable observation framework for the early detection of high-mountain Asian cryospheric hazards under global warming.</p> 2026-09-27T15:07:28Z Dataset Dataset 10.6084/m9.figshare.34005156.v1 https://figshare.com/articles/dataset/_b_Precursor_b_b_s_b_b_of_the_2026_Nepal_rock_ice_avalanche_b_b_b_b_differentiated_deformation_b_/34005156 CC BY 4.0