[S-CG40] Active Tectonics and Seismic Hazards in the Himalayan Region

2021年6月6日(日) 13:45 〜 15:15 Ch.24 (Zoom会場24)

コンビーナ:纐纈一起(東京大学地震研究所)、Nath Soma Sapkota(Nepal Geological Society)、Srinagesh Davuluri(CSIR-National Geophysical Research Institute)、座長:纐纈一起(東京大学地震研究所)、三宅弘恵(東京大学地震研究所)

In the Himalayan region, the Indian and Eurasian plates collide, and the Indian lithosphere underthrusts beneath the Eurasian plate from the Main Frontal Thrust with a convergence rate of approximately 18 mm/year. This has historically caused large earthquakes such as the 1934 Bihar-Nepal earthquake, and seismic hazards in the region remain high. On April 25, 2015 (UTC), the Mw 7.8 Gorkha earthquake occurred along the plate boundary, and this affected the Main Frontal Thrust increasing the stress in possible source areas of future large earthquakes. Therefore, even after the Gorkha earthquake, studies on active tectonics and seismic hazards are still necessary in the Himalayan region. All kinds of studies on them are welcome for this session.

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13:45 〜 14:00

[SCG40-01] Seismic Hazard Assessment Studies in Uttarakhand Himalaya

*Srinagesh Davuluri¹、Suresh Gudapati¹、Srinivas Dakuri¹ (1.CSIR-National Geophysical Research Institute)

14:00 〜 14:15

[SCG40-02] Active Tectonics & Seismological Research in Nepal Himalaya: Preliminary results from SATREPS project

*Soma Nath Sapkota¹、Kazuki Koketsu²、Hiroe Miyake³、Koji Okumura⁴、Prakash Pokhrel⁵ (1.Retired Director General, Department of Mines and Geology, Kathmandu Nepal、2.Professor, Earthquake Research Institute, University of Tokyo, Tokyo Japan、3.Associate Professor, Earthquake Research Institute, University of Tokyo, Tokyo Japan、4.Professor, Graduate School of Humanities and Social Sciences, Hiroshima University, Japan、5.Geologist, Department of Mines and Geology, Kathmandu Nepal)

14:15 〜 14:30

[SCG40-03] Interseismic coupling on the Main Himalayan Thrust in Nepal derived from GNSS displacement rate field

*田部井隆雄¹、大園真子²、Bishow Raj Silwal³、Rajendra Bhandari³、Janak B. Chand³、Soma Nath Sapkota⁴、三宅弘恵²、纐纈一起² (1.高知大学理工学部、2.東京大学地震研究所、3.ネパール鉱山地質局、4.ネパール地質学会)

14:30 〜 14:45

[SCG40-04] Geodetic Observation for Evaluation of Earthquake Generation Potential in Nepal after the 2015 Gorkha Earthquake

*Bishow Raj Silwal¹、Rajendra Prasad Bhandari¹、Janak Bahadur Chand¹、Mako Ohzono²、Takao Tabei³ (1.Department of Mines and Geology, Nepal、2.Earthquake Research Institute, University of Tokyo, Japan、3.Kochi University, Kochi, Japan)

14:45 〜 15:00

[SCG40-05] ネパール中部バグマティ川近傍でのヒマラヤ前縁断層活動履歴調査

*奥村晃史¹、Pokhrel Prakash³、近藤久雄²、山中蛍¹、Sapkota Soma Nath³ (1.広島大学大学院文学研究科、2.産業技術総合研究所活断層・火山研究部門、3.ネパール地質鉱産局)

15:00 〜 15:15

[SCG40-06] Strong Motion Observation Network for Earthquake Disaster Mitigation in the Kathmandu Valley, Nepal

*高井伸雄¹、重藤迪子²、三宅弘恵³、纐纈一起³、Bhattarai Mukunda⁴、Chintan Timsina⁴、Shova Singh⁴、Subeg Bijukchhen⁵ (1.北海道大学、2.九州大学、3.東京大学、4.ネパール産業省鉱山地質局、5.ネパール，コパ工業大学)

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