*Yumiko Harigane¹, Tomoaki Morishita², Akihiro Tamura², Kenichiro Tani³, Osamu Ishizuka^1,4, Annie Rassios⁵ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.Kanazawa University, 3.National Museum of Nature and Science, 4.Japan Agency for Marine-Earth Science and Technology, 5.Hellenic Survey of Geology and Mineral Exploration)

*Susumu Umino¹, Trinh Nguyen¹, Akihiro Tamura¹, Yuki Kusano², Norikatsu Akizawa³, Osamu Ishizuka², Takahiro Fudai⁶, Sumio Miyashita⁴, Yoshiko Adachi⁵, Tomoaki Morishita¹ (1.School of Geosciences and Civil Engineering, Kanazawa University, 2.Geological Survey of Japan, AIST, 3.Atmosphere and Ocean Research Institute, The University of Tokyo, 4.Hokkaido Research Center of Geology, 5.Central Research Institute of Electric Power Industry (CRIEPI), 6.Taiheiyo Cement)

*Makoto Sano¹, Naoto Hirano¹, Satoshi Okumura¹, Norikatsu Akizawa², Akihiro Tamura³, Tomoaki Morishita³ (1.Tohoku University, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Kanazawa University)