(Danwakai: ERI Holds “Danwakai”, a monthly meeting where its members present their most recent academic andtechnical achievements, once a month on Friday of every month. Danwakai is open to the public.)
Date: Friday, 22 October 13:30-
Place: Web Meeting (Zoom)
*URL and password will be provided by internal e-mail on October 22.
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- 13:30-13:45
TITLE: Preliminary report of long-term ocean bottom seismic array observation at Chile triple junction
AUTHOR: Hajime SHIOBARA･Hikaru IWAMORI･Masanao SHINOHARA･Takashi IIDAKA･ Masataka KINOSHITA, Hiroko SUGIOKA (Kobe University), Aki ITO (JAMSTEC),
Matthew MILLER (Concepcion University) and Javier OJEDA (Chile University)
SUMMARY: Preliminary report of ocean bottom seismic array observation using 13 OBSs between 2019 and 2021 at Chile triple junction.
2. 13:45-14:00
TITLE: Lithosphere-asthenosphere boundary beneath the Sea of Japan from transdimensional inversion of S receiver functions
AUTHOR: Takeshi AKUHARA, Kazuo NAKAHIGASHI (Tokyo University of Marine Science and Technology), Masanao SHINOHARA･Tomoaki YAMADA･Hajime SHIOBARA,
Yusuke YAMASHITA (Kyoto University), Kimihiro MOCHIZUKI and Kenji UEHIRA (NIED)
SUMMARY: The lithospheric structure beneath the Sea of Japan is investigated through S receiver function inversion analysis.
3. 14:00-14:15
TITLE: Improved 3-D P wave azimuthal anisotropy structure beneath the Tokyo metropolitan area, Japan: New interpretations of the dual subduction system revealed by seismic anisotropy
AUTHOR: Motoko ISHISE･Aitaro KATO･Shin’ichi SAKAI･Shigeki NAKAGAWA
and Naoshi HIRATA (NIED)
SUMMARY: The configuration of the Philippine sea plate beneath the Tokyo metropolitan area was investigated by anisotropy tomography.
*Speaker