Japan Geoscience Union Meeting 2019

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[J] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-CC Cryospheric Sciences & Cold District Environment

[A-CC27] Glaciology

Wed. May 29, 2019 9:00 AM - 10:30 AM 303 (3F)

convener:Takayuki Nuimura(Tokyo Denki University), Ishikawa Mamoru(Hokkaido University), Kzutaka Tateyama(National University Corporation Kitami Institute of Technology), Hiroto Nagai(Waseda Univ., School of Education), Chairperson:Hiroto Nagai(Japan Aerospace Exploration Agency)

9:45 AM - 10:00 AM

[ACC27-04] Breaking-off of hanging glaciers at Mt. Langtang-Lirung in Nepal

Honami Watanabe2, *Chiyuki Narama1, Yoshitaka Mori2, Katsuhisa Kawashima3 (1.Niigata University, Program of Field Research in the Environmental Sciences, 2.Graduate School of Science and Technology, Niigata University, 3.Research Institute for Natural Hazards & Disaster Recovery, Niigata University)

Keywords:hanging glacier, breaking-off, Mt. Langtang-Lirung, Gurkha earthquake

On 25 April 2015, an earthquake (M7.8) occurred at Gurkha region located northwest of Kathmandu, the capital of Nepal. On 12 May, an earthquake of M 7.3 occurred at 80 km northeast from Kathmandu. Due to this series of large earthquakes, slope failure events (ice avalanche, snow avalanche, snow-rock avalanche, rock avalanche) occurred frequently in snow mountain area of the Himalaya. In Langtang valley, a huge snow-rock avalanche caused more than 100 victims in Langtang village. We investigated the characteristics of bereaking-off from hunging glaciers around Mt. Langtang-Lirung using satellite data and digital aerial images in 2015 and 2018.