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Researcher Xu Chong and Colleagues Attended the 11th International Association for Engineering Geology and the Environment (IAEG) Conference and Investigated Landslides in the Earthquake Area of Nepal

2018/7/6 16:49:46

From November 27, 2017, to December 6, 2017, researchers Xu Chong and Li Kang visited Nepal with graduate students Tian Yingying, Guo Peng, and Ma Siyuan. While in Nepal, Xu Chong and Guo Peng attended the 11th International Association for Engineering Geology and the Environment (IAEG) Conference held in Kathmandu on November 28–30, 2017. Subsequently, together with Li Kang, Tian Yingying, and Ma Siyuan they investigated landslides in the area of the 2015 Nepal earthquake.

The theme of the 11th IAEG Conference was engineering geology and geo-disaster prevention. More than 450 people from over 10 countries attended this meeting. It was opened on the morning of November 28 by Bidya Devi Bhandari, the president of Nepal and Professor Scott Burns, the president of the IAEG, who both gave opening speeches.

At this meeting, Xu Chong delivered a report on the comparison of landslides triggered by the 2015 Nepal earthquake and those of the 2008 Wenchuan earthquake. He presented details of field surveys and aninventory on landslides triggered by the 2015 Gorkha earthquake, and suggested that differences between the seismogenic faults resulted in the obviously different slope failures triggered by the two great earthquakes. Guo Peng presented a poster illustrating the characteristics of the surface rupture caused by the 2016 Kaikula Mw 7.8 earthquake and its tectonic relationship with the ancient landslide at Kalalunsi, which was considered with interestby the attendees.

During the field survey, the team members examined two main roads: Kathmandu–Zhangmu Port and Kathmandu–Jilong Port, and they mapped many typical ancient landslides, as well as new landslides and debris flows caused by from post-seismic rainfall. In addition, the team also visited the International Centre for Integrated Mountain Development (ICIMOD), National Seismological Center, Department of Mines and Geology, Nepal (RSC-DMG), and Tribhuvan University.

Throughout the trip, the members of the group discovered new research results, learned new technologies, and introduced their new research to others. Furthermore, they obtained investigation data and field photos of post-seismic rainfall-induced landslides and ancient landslides to facilitate subsequent study of landslide evolution, which will benefit the ongoing international collaborative project. Finally, the visit to ICIMOD and other institutions strengthened the channels of international communication and promoted further cooperation.