The 975th DANWAKAI(program)

Announcement of the 975th 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, 26 October 13:30-
Place: ERI Bldg.2, 5th floor, Conference room1


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1. 13:30-13:45
TITLE: Initial stage of 2017 eruption at Nishinoshima based on seismic and
acoustic data
AUTHOR: * Minoru TAKEO・Takao OHMINATO・Mie ICHIHARA and Atsushi WATANABE

2. 13:45-14:05
TITLE: The condition of eruption column collapse: theory and 3D numerical simulations
AUTHOR: * Takehiro KOYAGUCHI, Yujiro J. SUZUKI, Kai KATEDA
and Satoshi INAGAWA
SUMMARY: The mechanism of eruption column collapse is discussed from the view point
of compressible fluid dynamics, and the petrological and geological conditions
of generation of pyroclastic flows during explosive eruptions are determined.

3. 14:05-14:20
TITLE: The relationship between deep low-frequency earthquakes and surface
volcanic activities at Ontakesan and Kirishimayama
AUTHOR: * Ryo KURIHARA, Kazushige OBARA and Akiko TAKEO

4. 14:20-14:35
TITLE: Hyper-Kamiokande project
AUTHOR: * Akimichi TAKETA
SUMMARY: Hyper-Kamiokande is the largest water tank neutrino detector ever,
and largest cavern excavation. I introduce the project and obtainable geophysical knowledge.

*Speaker