(Danwakai: 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.)
Date: Friday April 22 13:30-
Place: Web Meeting (Zoom)
*URL and password will be provided by internal e-mail on April 22.
TITLE: Online Application to Improve Availability of Paper-backed Historical Earthquake Document
AUTHOR: *Yasuyuki KANO・Hiroshi TSURUOKA and Junzo OHMURA, Ryoichi NAKAMURA (Nakamura Earthquake Research Professional Engineer’s Office), Motoko ISHISE
TITLE: Paleomagnetic dating of tsunami boulders on Ishigaki Island, Japan and Tongatapu Island, Kingdom of Tonga【Director’s introduction(Hosting ERI member: Prof. SATAKE)】
AUTHOR: *Tetsuro SATO（Waseda University)
SUMMARY: In this presentation, I will report about the mobilization history (including reworking) of tsunami boulders on Ishigaki Island, Japan and Tongatapu Island, Kingdom of Tonga.
TITLE: Classification of low-frequency earthquakes based on inter-time distribution and the 2011 Great Tohoku Earthquake
AUTHOR: *Tomoki TOKUDA, Hirohiko SHIMADA (National Institute of Technology, Tsuyama College)
SUMMARY:We found that the activity of low-frequency earthquakes with a short interval of time became completely quiescent in Tohoku region one month before the 2011 Great Tohoku Earthquake.