Deformation and displacement fields of the Himalayan arc,seismicity and large earthquake hazards in its eastern segment and vicinity |
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| Affiliation: | 1. Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China;2. CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing 100101, China;3. University of Chinese Academy of Sciences, Yuquan Road, Beijing 100049, PR China;4. COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan;1. Wadia Institute of Himalayan Geology, Dehradun, India;2. Graduate School of Education, Hiroshima University, Hiroshima 739-8524, Japan;3. Department of Geological Science, IIT, Roorkee, India;4. Akshaya College of Engineering and Technology, Kinathukadavu, Coimbatore, Tamil Nadu, India;1. Wadia Institute of Himalayan Geology, 33 GMS Road, Dehradun, 248001, India;2. Department of Geosciences, University of Missouri-Kansas City, 5100 Rockhill Road, Kansas City, MO, 64110, USA;1. Wadia Institute of Himalayan Geology, Dehradun, India;2. National Geophysical Research Institute, Hyderabad, India;3. National Center for Earth Sciences Studies, Kerala, India;4. Indian Institute of Technology Kharagpur, Kharagpur, India;1. National Center for Seismology, Ministry of Earth Sciences, New Delhi, India;2. Kurukshetra University, Kurukshetra, India;3. Institute of Seismological Research, Gandhinagar, India |
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| Abstract: | The Himalayan arc is a type of plate margin similar to an island arc and is a world-famous region of tectonic and seismic activities, where a series of large earthquakes have occurred in historical time. In this paper, the vertical deformation and horizontal displacement fields of the Himalayan arc are theoretically derived from the viewpoint of the collision between the Indian and Eurasian plates. In the light of the observed data, the seismicity, earthquake focal mechanism, seismotectonic and geomorphological features of the arc and its vicinity are reasonably explained. The characteristics of seismicity and the possibility of earthquakes with magnitude above 8 occurring in this region in the future are studied. |
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