The 957th DANWAKAI(program)

All members concerned

Earthquake Research Institute
The University of Tokyo
Kazushige Obara

Announcement of the 957th 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, 17 February  13:30-
Place: ERI Bldg.2, 5th floor, Conference room1

1. 13:30-13:45
TITLE: Measuring density profile of the Earth using atmospheric neutrinos observed by IceCube neutrino observatory
AUTHOR: *Kotoyo HOSHINA and Hiroyuki K.M. TANAKA
SUMMARY: I will present current status of neutrino absorption tomography for the Earth's density structure, using the largest atmospheric neutrino dataset taken by IceCube neutrino observatory.

2. 13:45-14:00
TITLE: A megathrust earthquake cycle model for Northeast Japan:  bridging the mismatch between geological uplift and geodetic subsidence
AUTHOR: * Akinori HASHIMA and Toshinori SATO (Chiba University)
SUMMARY: We explained the mismatch between geological uplift and geodetic subsidence observed in Northeast Japan by a simple viscoelastic dislocation model.

3. 14:00-14:15
TITLE: Calibration of broadband seismometer with primary acceleration standard at NMIJ
SUMMARY: We report a calibration result of a broadband seismometer by using
primary acceleration standard at the National Metrology Institute of Japan.