The 967th  DANWAKAI (program)

            Announcement of the 967th DANWAKAI

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

Date: Friday, 19 January 13:30-
Place: ERI Bldg.2, 5th floor, Conference room1

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1. 13:30-13:45
TITLE: Upper mantle structure beneath the Pacific Ocean revealed by land and
seafloor broadband observations
AUTHOR: *Takehi ISSE, Hitoshi KAWAKATSU, Kazunori YOSHIZAWA (Hokkaido Univ.),
Hajime SHIOBARA, Hiroko SUGUOKA (Kobe Univ.), Aki ITO (JAMSTEC),
Daisuke SUETSUGU (JAMSTEC), and Hisashi UTADA
SUMMARY: We show the three dimensional shear wave structure in the upper
mantle beneath the Pacific Ocean using land and BBOBS data.

2. 13:45-14:00
TITLE: Location and depth of the 1855 Ansei Edo earthquake inferred from
seismic intensity characteristic
AUTHOR: * Ryoichi NAKAMURA・Kenji SATAKE・Akihito NISHIYAMA・Naoshi HIRATA,
Takeo ISHIBE(ADEP) and Jun MURAGISHI(Taisho Univ.)

3. 14:00-14:15
TITLE: Monitoring of volcanic acitivities by a network of absolute gravimeters
using a telecom-wavelength laser
AUTHOR: * Akito ARAYA, Keisuke KASAI・Masato YOSHIDA・Masataka NAKAZAWA (RIEC,Tohoku U.),
Yoshiaki TAMURA (NAOJ) and Tsuneya TSUBOKAWA (Shin-ei Keisoku).
SUMMARY: We report current status of an absolute gravimeter using
a telecom-wavelength laser that can transmit at a long distance, and prospects
for its application to a network for monitoring volcanic activities.

*Speaker