*Nobuyoshi Hara¹, *Akira HASEGAWA², *Masatoshi SUZUKI³, *Masashi KONYO⁴, *Yutaka WATANABE⁵ (1. Institute for Disaster Reconstruction and Regeneration Research, Tohoku University, 2. School of Engineering, Tohoku University, 3. International Research Institute of Disaster Science, Tohoku University, 4. Graduate School of Information Sciences, Tohoku University, 5. Center for Fundamental Research on Nuclear Decommissioning, Tohoku University)