Articles | Volume 17, issue 11
Nat. Hazards Earth Syst. Sci., 17, 1907–1921, 2017
https://doi.org/10.5194/nhess-17-1907-2017
Nat. Hazards Earth Syst. Sci., 17, 1907–1921, 2017
https://doi.org/10.5194/nhess-17-1907-2017
Research article
13 Nov 2017
Research article | 13 Nov 2017

Multiple remote-sensing assessment of the catastrophic collapse in Langtang Valley induced by the 2015 Gorkha earthquake

Hiroto Nagai et al.

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Latest update: 08 Aug 2022
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Short summary
We demonstrated an assessment of the sediments caused by a catastrophic avalanche, induced by the main shock of the 2015 Gorkha Earthquake in Nepal. A Japanese space-borne sensor, PALSAR-2, have a high potential for delineating the hazardous zone. Comparison of pre- and post-high-resolution topographic data estimates the avalanche-induced sediment volume as 5.51 × 106 m3. High-resolution satellite imagery revealed that it has multiple layers of sediment with different physical properties.
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