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Researcher Toshihiko Shimamoto Appointed by State Key Laboratory of Earthquake Dynamics Won EGU Louis Néel Medal

2015/12/29 10:28:56

EGU announced the scientist winning Louis Néel medal in October 2014. It is  Distinguished Professor Toshihiko Shimamoto who is now working at the Laboratory of Earthquake Dynamics of our institute. Louis Néel medal is an important award set up by EGU for the research field of geomagnetism and petrophysics to commemorate French scientist Louis Néel. Prof. Louis Néelis the founder of antiferromagnetism and ferrimagnetism theory and won Nobel Physics Prize in 1970. His research in the aspects of paleomagnetism and rock magnetism successfully explains the rock magnetic memory mechanism during change of the geomagnetic field and provides key evidence for plate tectonics theory.

Prof. Toshihiko Shimamoto attended the Louis Néel Medal issuing ceremony during the2015 annual conference of EGU. The authority of EGU spoke highly of the outstanding contribution of Prof. Toshihiko Shimamoto to fault and earthquake mechanics, particularly in the aspect of experimental research on fault high-speed friction weakening mechanism (http: // www.egu.eu/awards-medals/louis-neel/2015/toshihiko-shimamoto/). The topic of the lecture given by Prof. Toshihiko Shimamoto when he attended the prize issuing ceremony was: ‘Faults and Earthquakes’. In the lecture, he reviewed his major work in the aspects of fault petrology and fault mechanics in the past 40 years and summarized his work experience from the perspective of methodology. The content of the lecture mainly covers the following content: high-speed friction slip properties of faults and their relation to earthquake rupture dynamics, unified friction-flow law and its application to the research of lithospheric rheology, experimental research on the startup process of landslide induced by earthquakes, and research on basin evolution and changes of pore pressure. When introducing progress of high-speed friction experiment, Prof. Toshihiko Shimamoto especially mentioned how they competed against European and American counterparts and opened the new field of experimental research of high-speed friction under the condition of less students and no full-time technicians at the end of the 1980s. The technical means he adopted is to cooperate with industrial circles and develop the unique high-speed rock friction tester. These research experiences are worth learning and thinking by young scientific research workers in terms of methodology.