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Prof. Martyn J. Unsworth of the University of Alberta, Canada Visited the Institute of Geology

2015/12/28 15:52:41

At the invitation of Zhan Yan at Division of Solid Geophysics and Deep Structure, Prof. Martyn J. Unsworth of the University of Alberta, Canada visited China from August 11 to 30, 2015. During his visit, Prof. Unsworth presented research results in the MT method and application to active faults, exemplified by the northeastern margin of the Tibetan plateau. Together with researchers Zhan Yan and others, he also went to the middle and eastern sections of the East Kunlun fault zone, Qilian Mountains and other areas for field study. And in the end of the visit, he discussed with Zhan et al. about the plan for cooperation in the future.

At the Qilian Mountains, the researchers conducted on-site evaluation of quality of MT data acquired in the field in addition to geological study on conditions of MT sites. The geological investigations were also performed at the middle and eastern sections of Eastern Kunlun fault zone, Laji Mountain fault zone and Lenglongling fault zone in Qilian. In the field, they listened to the detailed introduction of Han Zhujun of our institute on the exploratory trench at the Lenglongling fault zone, which would help geological interpretation of subsequent MT surveys. During field study, they also visited the Earthquake Administration of Gansu Province, the Earthquake Administration of Qinghai Province and the Second Monitoring Center of China Earthquake Administration (Xi’an City). During these visits, Prof. Unsworth made a report titled “Using magnetotellurics to understand tectonics and reduce earthquake hazards, Zhan Yan made a report titled “Characteristics of deep electric structures at the junction between North-South seismic belt and West Qinling orogenic belt”. Prof. Unsworth also introduced the latest research findings of electromagnetic detection by using the MT method in the subduction zones and seismic and volcanic active zones of North America, Turkey and South America, India and Tibet Plateau collision zone and Nepal seismic region. Zhan Yan introduced the MT detection results in the West Qinling orogenic belt, the middle and eastern sections of the East Kunlun fault zone, Liupanshan tectonic zone and other regions. These activities will benefit further cooperation of the Institute of Geology with institutions visited.

During his stay in Beijing, Prof. Unsworth again made the report titled “Using magnetotellurics to understand tectonics and reduce earthquake hazards”,and another speech “Fire, ice and penguins Geophysical studies at Mount Erebus, Antarctica”, which enabled audience to learn progress in geophysical surveys in Antarctic. More than 40 from Peking University, China University of Geosciences, Chinese Academy of Sciences, our institute and other research institutions attended the symposium. Zhan Yan also discussed with Prof. Unsworth about the plan for writing the articles on the 3D electromagnetic detection of the Lushan earthquake region and on the measurement results of the northeastern margin of the Tibetan plateau, as well as talent cultivation plan.


Field work sites


Academic activities in the Earthquake Administration of Qinghai Province, the Earthquake Administration of Gansu Province, and the Second Monitoring Center and the Institute of Geology of CEA