The 996th　DANWAKAI(program)

Announcement of the 996th　DANWAKAI

(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, October 16 13:30-
Place: Web Meeting
*If you would like to join in DANWAKAI, please contact to Joint Usage section
(k-kyodoriyo@eri.u-tokyo.ac.jp). We will inform you URL and password in advance.

*****************************
1. 13:30-13:45
TITLE: A new reference model for the evolution of oceanic lithosphere
in a cooling Earth
AUTHOR: *Tomoko KORENAGA･Jun KORENAGA (Yale University),
Hitoshi KAWAKATSU and Makoto YAMANO

2. 13:45-14:00
TITLE: Seismic observations and S-wave velocity structure of Showa-Shinzan
lava dome in Usu Volcano, Northern Japan
AUTHOR: *Akiko TAKEO･Kiwamu NISHIDA, Hiroshi AOYAMA(Hokkaido University),
Motoko ISHISE, Takeru KAI(Tokyo Metropolitan Government),
Takuto MAEDA(Hirosaki University), Yuta MIZUTANI(JX Nippon Oil and Gas Exploration),
Yuki NAKASHIMA(Hokkaido University), Shogo NAGAHARA･Ryo KURIHARA,
Lingling YE(Sun Yat-sen University), Xiaowen WANG(Southwest Jiaotong University),
Takeshi AKUHARA and Yosuke AOKI
SUMMARY: We compare our S-wave velocity model with the density model by muography
and gravity measurements.

3. 14:00-14:15
TITLE: Observation of Atotsugawa seismic fault zone using borehole muon detector
AUTHOR: Daisuke IKEDA(Kanagawa University), *Akimichi TAKETA,
Katsuya YAMAZAKI(Chubu University), Kentaro Omura(NIED)
SUMMARY: We report the result of dip and strike angle measurement of Atotstugawa
seismic fault zone using muon.

4. 14:15-14:30
TITLE: Development of high-performance computing methods for large-scale earthquake
simulations on Fugaku
AUTHOR: *Kohei FUJITA
SUMMARY: I will talk about development of high-performance computing methods for
enabling large-scale earthquake simulations on supercomputer Fugaku and some
application examples.

*Speaker