ERI Holds “DANWAKAI”, a monthly meeting where its members present their most recent academic and technical achievements, once a month on Friday of every month. DANWAKAI is open to the public.

DANWAKAI has resumed in-person meeting in the Seiminar Room in September with live-streaming vir Zoom. If you would like to attend the Zoom session, please pre-register using the form below by June 19, 2025, 12:00pm.　

URL: https://forms.gle/BBFWpLzRr1ipBqRZA

The zoom URL and password will be announced on the day of the event to registered participants .

Please refrain from secondary distribution of the URL to be provided. Due to copyright issues, recording of the video and audio distributed is strictly prohibited.

　　　　Date: 　Friday, June 20, 2025  13:30～(JST)

　　　　Place: ERI Bldg.1, 2nd floor, Seminar Room

　　　　　　　Livestream Zoom Webinar

* The zoom URL and password required for participation will be provided on the day of the event to those who wish to attend.

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1. 13:30-13:45

TITLE: Compilation of seismic activity in and around Kyoto over the past 400 years using historical documents

AUTHOR: *Yasuyuki KANO･Junzo OHMURA, Kiyomi IWAHASHI (Kokugakuin University), Harufumi TAMAZAWA(Institute of Industrial Science, The University of Tokyo) and Reizaburo KITAI(Ritsumeikan University)

2. 13:45-14:00

TITLE: Progress of the Arc Remote Island Volcano Monitoring Project: an active volcano in Fiji

AUTHOR: *Fukashi MAENO, Tatsuji NISHIZAWA (MFRI), Takayuki KANEKO, Saula MULE･Jorge MALODALI(MRD, Fiji), Yuya IKENAGA･Osamu ISHIZUKA (AIST), Kazuhisa GOTO (School of Science, UTokyo), Yuki YASUDA･Natsumi HOKANISHI and Mie ICHIHARA

3. 14:00-14:15

TITLE: Geofluid mapping reveals the connection between magmas, fluids, and earthquakes

AUTHOR: *Hikaru IWAMORI, Yasuo OGAWA(Tokyo Institute of Technology), Tomomi OKADA(Tohoku U.), Tohru WATANABE(U. Toyama), Hitomi NAKAMURA(National Institute of Advanced Industrial Science and Technology (AIST), Tatsu KUWATANI(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Kenji NAGATA (National Institute for Materials Science (NIMS)), Atsushi SUZUKI (JX Metals Resources Exploration & Development Co., Ltd), and Masahiro ICHIKI(Tohoku U.)

SUMMARY: Simultaneous analysis of seismic velocity and electrical conductivity successfully maps the volume and geometrical parameters of aqueous fluids and basaltic and andesitic magmas in the crust and uppermost mantle to discuss the connection between magmas, fluids, and earthquakes beneath the NE Japan arc.

*Speaker