Symposium/workshop organization:
- post JpGU workshop: "Ocean Mantle Dynamics via Pacific Array"(Tokyo, Japan)(2017/5/26)
- Two-country joint seminar (JSPS): "Collaborative research in global ocean and subduction -toward Pacific Array-"(Seoul, South Korea)(2017/4/13-14)
- The 3rd international summer school on Earthquake Science:"Monitoring physical properties associated with tectonic processes"(Yamanaka lake, Japan)(2015/9/4-8)
- Symposium: "Structure and Dynamics of the Oceanic Lithosphere/Asthenosphere System"(Matsushima, Japan)(2015/3/3-6)
- International Summer School on Earthquake Science:"Diversity of Earthquakes"(Hakone, Japan)(2013/9/23-27)
- International Workshop on the "Normal Oceanic Mantle" 2012@ERI(Tokyo)(2013/3/4-5)
- NECESSArray workshop 2012@ERI(Tokyo)(2012/6/24-27)
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“フロンティア観測地球科学” ワークショップ)(March 23, 2010
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Deep Slab and Mantle Dynamics (Kyoto, 2009, Feb. 25-27)
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Dynamics of Deep Mantle Slabs (IUGG2007 Perugia)
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SSP (Stagnant Slab Project)
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2nd OHP Symposium "LONG-TERM OBSERVATIONS IN THE OCEANS: CURRENT STATUS AND PERSPECTIVES FOR THE FUTURE" (Yamanaka Lake, 2001, Jan. 21-27)
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1st OHP (Ocean Hemisphere network Project) Symposium "New Images of the Earth's Interior through Long-term Ocean-floor Observations" (Chiba, 1997, Nov. 6-8)