Director [Principal Researcher]	Shigeaki Ono	rm	DB	*
Deputy Director [Senior Researcher]	Tatsu Kuwatani	rm
[Guest Researcher]	Katsuyoshi Michibayashi
[Guest Researcher]	Tomoaki Morishita
[Guest Researcher]	Osamu Ishizuka
[Guest Researcher]	Yasuhiko Ohara		DB

Geophysical Research Group

Group Leader [Principal Researcher]	Takeshi Hanyu	rm	DB	*
Deputy Group Leader[Senior Researcher]	Masaru Nakano	rm	DB
[Senior Researcher]	Masayuki Obayashi	rm	DB
[Senior Researcher]	Satoru Tanaka	rm	DB
[Researcher]	Aki Ito	rm	DB
[Researcher]	Noriko Tada	rm	DB
[Research Technician]	Junko Yoshimitsu	rm	DB
[Technical Support Staff]	Tomoya Nakajima
[Research Student]	Takumi Obata
[Research Student]	Yuko Kondo
[External Researcher]	Yozo Hamano
[Guest Researcher]	Hiroshi Ichihara
[Guest Researcher]	Yoichi Usui

Solid Earth Data Science Research Group

Group Leader [Senior Researcher]	Tatsu Kuwatani	rm	DB	*
[Project Principal Researcher]	Mitsuhiro Toriumi		DB
[Senior Researcher]	Takatoshi Yanagisawa	rm	DB
[Researcher]	Kenta Yoshida	rm	DB
[Researcher]	Kenta Ueki	rm	DB
[Researcher]	Yuya Akamatsu	rm	DB
[Research Assistant]	Yuto Miki
[Research Student]	Yuto Miki
[Guest Researcher]	Yuji Tasaka
[External Researcher]	Yusuke Tanaka
[External Researcher]	Ryosuke Oyanagi
[Guest Researcher]	Atsushi Nakao

Solid Earth Geochemistry Research Group

Group Leader  [Principal Researcher]	Takeshi Hanyu	rm	DB
[Senior Researcher]	Takashi Miyazaki	rm	DB
[Researcher]	Morihisa Hamada	rm	DB
[Researcher]	Iona Mcintosh	rm	DB
[Researcher]	Yuki Hagiwara	rm	DB
[Research Technician]	Vaglarov Bogdan Stefanov	rm	DB
[Research Technician]	Tomoki Sato	rm
[Senior staff]	Yoshihiko Tamura	rm	DB
[Senior staff]	Qing Chang	rm	DB
[Senior staff]	Maria Luisa Tejada	rm
[Study Support Part Timer]	Weihong Zhang
[Study Support Part Timer]	Hiroko Higuchi
[Research Assistant]	Katsutoshi Kugai
[Research Assistant]	Mitsuko Kanazawa
[External Researcher]	Erika Tanaka
[External Researcher]	Yuusuke Kuwahara
[External Researcher]	Junichiro Ohta
[Research Student]	Sayaka Yoshimura
[Research Student]	Youtarou Yamamoto