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.

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, April 17, 2026  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.

---

1. 13:30-13:45

TITLE: Depth of source of volcanic ash ejected in the 2018 vulcanian eruptions at Shinmoe-dake estimated from tilt changes and the image of eruption site below the summit crater: continued

AUTHOR: *Jun OIKAWA (Nihon Univ.), Yuta MAEDA (Nagoya Univ.) and Yasuhisa TAJIMA (Nippon Koei)

2. 13:45-14:00

TITLE: Phase boundaries and desynchronization in the single-defect Olami-Feder-Christensen model: Toward understanding earthquake power laws

AUTHOR: *Tetsuto OTANI and Nobuki KAME

SUMMARY: We report on the mechanism of phase transitions in a discrete model of earthquakes; this work has been published in Physical Review E (https://doi.org/10.1103/7c3x-j5xf)

3. 14:00-14:15

TITLE: Application of the fast and robust bootstrap method to the uncertainty analysis of the magnetotelluric transfer function

AUTHOR: *Yoshiya USUI･Makoto UYESHIMA･Tasuku HASHIMOTO･Masataka MASUDA･Takahiro AKIYAMA , Shin’ya SAKANAKA (Akita University), Masahiro ICHIKI･ Toshiki KAIDA(Tohoku University), Yusuke YAMAYA(National Institute of Advanced Industrial Science and Technology), Yasuo OGAWA(Institute of Science Tokyo, Tohoku University)

*Speaker