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							兼岡 一郎
														
									Geophysical Institute, Faculty of Science, University of Tokyo
							
						 
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							荒牧 重雄
														
									Earthquake Research Institute, University of Tokyo
							
						 
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							小林 哲夫
														
									Institute of Earth Sciences, Faculty of Science, Kagoshima University
							
						 
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							大木 公彦
														
									Institute of Earth Sciences, Faculty of Science, Kagoshima University