WATANABE Toshiki

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Name
WATANABE Toshiki
E-mail
watanabeseis.nagoya-u.ac.jp
Affiliation
Nagoya University
Section
Graduate School of Environmental Studies Earthquake and Volcano Research Center
Degree
Doctor of Engineering(Kyoto University)

Academic & Professional Experience

 
May 2003
 - 
Mar 2007
Assistant Professor, Graduate School of Environmental Studies Research Center for Seismology, Volcanology and Disaster Mitigation, Nagoya University
 
Apr 2007
 - 
Dec 2011
Associate professor, Graduate School of Environmental Studies Research Center for Seismology, Volcanology and Disaster Mitigation, Nagoya University
 
Jan 2012
 - 
Oct 2013
Associate professor, Graduate School of Environmental Studies Earthquake and Volcano Research Center, Nagoya University
 
Nov 2013
 - 
Mar 2014
Professor, Graduate School of Environmental Studies Earthquake and Volcano Research Center, Nagoya University
 
Apr 2016
 - 
Today
Professor, Graduate School of Environmental Studies Earthquake and Volcano Research Center, Nagoya University
 

Education

 
 
 - 
1988
Division of Earth Resources Engineering, Graduate School, Division of Engineering, Kyoto University
 

Published Papers

 
Seismic interferometry imaging of subsurface structure in the southernmost area of South Japanese Alps
Hasegawa, D., Watanabe, T., Ito, T., Kano, K., Abe, S., Fujiwara, A., Kouchi, Y.
Proceedings of the 13th SEGJ International Symposium -What's Next?: Technology for Discovery, Safety and Sustainability   S02-P02   Nov 2018   [Refereed]
Tsuji Shuhei, Yamaoka Koshun, Ikuta Ryoya, Kunitomo Takahiro, Watanabe Toshiki, Yoshida Yasuhiro, Katsumata Akio
Earth Planets and Space   70    Sep 2018   [Refereed]
Development of surface-wave monitoring system for leaked CO2 using a continuous and controlled seismic source
Ikeda, T., Tsuji, T., Watanabe, T. and Yamaoka, K.
International Journal of Greenhouse Gas Control   45 94-105   Feb 2016   [Refereed]
A subsurface structure change associated with the eruptive activity at Sakurajima Volcano, Japan, inferred from an accurately controlled source
Maeda, Y., Yamaoka, K., Miyamachi, H., Watanabe, T., Kunitomo, T., Ikuta, R., Yakiwara, H. and Iguchi, M.
Geophysical Research Letters   42 5179-5186   2015   [Refereed]
Yamaoka, K., Miyamachi, H., Watanabe, T., Kunitomo, T., Michishita, T., Ikuta, R. and Iguchi, M.
Earth, Planets and Space      2014   [Refereed]

Misc

 
Tsuji Shuhei, Yamaoka Koshun, Ikuta Ryoya, Kunitomo Takahiro, Watanabe Toshiki, Yoshida Yasuhiro, Katsumata Akio
EARTH PLANETS AND SPACE   70    Sep 2018   [Refereed]
Development of surface-wave monitoring system for leaked CO2 using a continuous and controlled seismic source
Ikeda, T., Tsuji, T., Watanabe, T. and Yamaoka, K.
International Journal of Greenhouse Gas Control   45 94-105   Feb 2016   [Refereed]
A subsurface structure change associated with the eruptive activity at Sakurajima Volcano, Japan, inferred from an accurately controlled source
Maeda, Y., Yamaoka, K., Miyamachi, H., Watanabe, T., Kunitomo, T., Ikuta, R., Yakiwara, H. and Iguchi, M.
Geophysical Research Letters   42 5179-5186   2015   [Refereed]
Yamaoka, K., Miyamachi, H., Watanabe, T., Kunitomo, T., Michishita, T., Ikuta, R. and Iguchi, M.
Earth, Planets and Space      2014   [Refereed]
Effects of pore fluid pressure and tectonic stress on diverse seismic activities around the Mt. Ontake volcano, central Japan
Terakawa, T., Yamanaka, Y., Nakamichi, H., Watanabe, T., Yamazaki, F., Horikawa, S. and Okuda, T
Tectonophysics   608 138-148   2013   [Refereed]
Imaging basement structure beneath the Noubi Plain, central Japan using strong motion records of natural earthquakes
Watanabe, T., Shimizu, H., Tobita, J., Abe, S. and Shiraishi, K.
Proceedings of the 10th SEGJ International Symposium -Imaging and Interpretation-   96-99   Nov 2011   [Refereed]
Monitoring the plate boundary in Tokai area using ACROSS -Role of Toyohashi ACROSS source-
Watanabe, T., Yamaoka, K., Yamazaki, K. and Suzuki, Y.
Proceedings of 12th International Symposium on Recent Advances in Exploration Geophysics   65-68   Nov 2010
Kato, A., Iidaka, T., Ikuta, R., Yoshida, Y., Katsumata, K., Iwasaki, T., Sakai, S., Thurber, C., Tsumura, N., Yamaoka, K., Watanabe, T., Kunitomo, T., Yamazaki, F., Okubo, M., Suzuki, S. and Hirata, N.
Geophysical Research Letter   37 L14310   Jul 2010   [Refereed]
Detection and continuous monitoring of strong seismic reflectors at the subducting Philippine Sea Plate using ACROSS methodlogy
Kasahara, J, Tsuruga, K., Hasada, Y., Kunitomo, T., Ikuta, R., Watanabe, T., Yamaoka, K., Fujii, N. and Kumazawa, M.
Active Geophysical Monitoring, Vol. 40, Handbook of Geophysical Exploration   435-447   May 2010   [Refereed]
On the use of linear vibrator for active monitoring
Yamaoka, K., Watanabe, T. and Ikuta, R.
Proceedings of the 121st SEGJ Conference   250-251   Nov 2009
Technical Trends on Seismic Reflection Method for Understanding Structure and Physical Properties in the Crust
Watanabe, T.
Zishin, Second Series   61(特集号) S217-S223   Jul 2009   [Refereed][Invited]
*Seismic interferometry of teleseicmic S-wave coda for retrieval of body waves: an application to the Philippine Sea slab underneath the Japanese Islands
Tonegawa, T., Nishida, K., Watanabe, T. and Shiomi, K.
Geophysical Journal International   178(3) 1183-1789   2009   [Refereed]
In this study, we present the propagations of the body waves, such as direct P and S waves, and the reflected wave from the Philippine Sea slab, with the spatial correlation of thewavefields induced by teleseismic S wave observed at the Hi-net til...
A marine deep-towed DC resistivity survey in a methane hydrate area, Japan Sea
Goto, T., Kasaya, T. Machiyama, H., Takagi, R., Matsumoto, R., Okuda, Y., Satoh, M., Watanabe, T., Seama, N., Mikada, H., Sanada, Y. and Kinoshita, M.
Exploration Geophysics   39(1) 52-59   Feb 2008   [Refereed]
Scattering analysis and estimation of structure heterogeneity in seismic exploration
29(4) 227-231   2007   [Invited]
Time-lapse changes in tube and guided waves in cross-well Mallik experiment
Bakulin, A., Korneev, V, Watanabe, T. and Ziatdinov, S.
Expanded Abstract of the 76th Annual Meeting, Society of Exploration Geophysicists   379-383   2006
Continuous Active Seismic Observation using ACROSS Source and Seismometer Array
Watanabe, T., Ikuta, R., Yamaoka, K., Soma, T. and Fujii, N.
Proceedings of the 8th SEGJ International Symposium -Imaging and interpretation-   369-372   2006   [Refereed]
A team in Nagoya University has been extensively working on developing Accurately-Controlled Routinely-Operated Signal System (ACROSS) in order to monitor temporal variations in the subsurface properties. Continuous transmission of a controlled se...
*Continuous observation of seismic wave velocity and apparent velocity using a precise seismic array and ACROSS seismic source
Saiga, A., Yamaoka, K., Kunitomo, T. and Watanabe, T.
Earth Planets and Space   58(8) 993-1005   2006   [Refereed]
We report the results of continuous monitoring.using a seismometer array.of the travel time of seismic waves generated by an ACROSS artificial seismic source. The seismometer array, which was deployed in a surface vault located 2.4 km from the sou...
Preliminary assessment of the waveform inversion method for interpretation of cross-well seismic data from the thermal production test, Mallik Gas Hydrate Production Research Well
Watanabe, T., Shimizu, S., Asakawa, E., Kamei, R. and Matsuoka, T.
Scientific Results from Mallik 2000 Gas Hydrate Production Research Well Program, Mackenzie Delta, Northwest Territories, Canada, Geological Survey of Canada, Bulletin,   585    2005   [Refereed]
*Differential waveform tomography for time-lapse crosswell seismic data with application to gas hydrate production monitoring
Watanabe, T., Shimizu, S., Asakawa, E., Matsuoka, T.
Expanded Abstract of the 74th Annual Meeting, Society of Exploration Geophysicists   TOM1.1   Oct 2004   [Refereed]
To detect the change of physical properties in small areas, a series of high-resolution waveform inversions is applied to time-lapse seismic data. A procedure by use of ifferentiation between the time-lapse data and normalization using reference d...
*Viscoacoustic wave form inversion of transmission data for velocity and attenuation
Watanabe, T., Nihei, K. T., Nakagawa, S., Myer, L. R.
J. Acoust. Soc. Am.   115(6) 3059-3067   2004   [Refereed]
This study investigates the performance of a frequency domain viscoacoustic full waveform nonlinear inversion to obtain high resolution images of velocity and attenuation. An efficient frequency domain implementation is applied that consists of p...
High resolution imaging of crosshole data using waveform inversion and reverse-time imaging
Watanabe, T., Nihei, K. T., Nakagawa, S. and Myer, L. R.
Environmental Rock Engineering   317-322   2003   [Refereed]

Books etc

 
Proceedings of the 10th SEGJ International Symposium - Imaging and Interpretation -
Toshiki Watanabe (Chief Editor) (Part:Editor)
Nov 2011   ISBN:978-4-938493-07-3

Conference Activities & Talks

 
Seismic interferometry imaging of subsurface structure in the southernmost area of South Japanese Alps
Hasegawa, D., Watanabe, T., Ito, T., Kano, K., Abe, S., Fujiwara, A., Kouchi, Y.
The 13th SEGJ International Symposium   12 Nov 2018   
Seismic refraction and wide-angle reflection experiment in southern Kyushu, Japan: (1) the 2017 exploration report
20 May 2018   
Temporal change in transfer function using ACROSS associated with magma intrusive event in 2015 in Sakurajima volcano, Japan
Yamaoka, K., Watanabe, M., Miyamachi, H., Kunitomo, T., Watanabe, T., Yakiwara, H., Maeda, Y., Tameguri, T., Ikuta, R., Iguchi, M.
Joint Scientific Assembly of IAG-IASPEI   30 Jul 2017   
Secular and co-seismic velocity changes in Tokai region detected by ACROSS
Tsuji, S., Ikuta, R., Yamaoka, K., Kunitomo, T., Watanabe, T., Yoshida, Y., Katsumata, A.
Joint Scientific Assembly of IAG-IASPEI   30 Jul 2017   
Long-term monitoring of of seismic velocity around a source fault of the 1995 Kobe earthquake
Ikuta, R., Yamaoka, K., Kunitomo, T., Nishigami, K., Watanabe, T.
Joint Scientific Assembly of IAG-IASPEI   30 Jul 2017   
A subsurface structure change associated with the eruptive activity at Sakurajima Volcano, Japan, inferred from an accurately controlled source
Maeda , Y., Yamaoka , K., Miyamachi , H., Watanabe , T., Kunitomo , T., Ikuta , R., Yakiwara , H. and Iguchi, M.
American Geophysical Union 2015 Fall Meeting   14 Dec 2015   
Active seismic monitoring of Earth's interior using ACROSS, a signal system with highly-accurate permanent seismic sources [Invited]
Watanabe, T., Yamaoka, K., Ikuta, R., Kunitomo, T., Miyamachi, H. and Iguchi, M.
The 1st International Workshop on the Microseismic Monitoring and Inversion   21 Oct 2014   
Effects of pore fluid pressure and tectonic stress on diverse seismic activities around the Mt. Ontake volcano, central Japan
Terakawa, T., Yamanaka, T., Nakamichi, H., Watanabe, T., Yamazaki, F., Horikawa, S., and Okuda, T.
American Geophysical Union 2013 Fall Meeting   9 Dec 2013   
Seismic interferometry imaging of subducting Philippine Sea plate and crustal structure in Tokai region, central Japan using natural earthquakes
Totani, M., Watanabe, T., Yamaoka, K., Kato, A., Iidaka, T., Ikuta, R., Tsumura, N., Okubo, M. and Suzuki, S.
American Geophysical Union 2013 Fall Meeting   9 Dec 2013   
Active monitoring at Active Volcano - Performance of ACROSS at Sakurajima volcano
Yamaoka, K., Miyamachi, H., Iguchi, M., Watanabe, T., Kunitomo, T., Yakiwara, H., and Ikuta, R.
International Association of Volocanology and Chemistry of the Earth's Interior, 2013 Scientific Assembly   20 Jun 2013   
Active monitoring at Active Volcano - Monitoring temporal change of transfer function in Sakurajima volcano, Japan
Miyamachi, H., Yamaoka. K., Iguchi, M., Yakiwara, H., Kunitomo, T., Watanabe, T., and Ikuta, R
International Association of Volocanology and Chemistry of the Earth's Interior, 2013 Scientific Assembly   20 Jun 2013   
Active Monitoring for Active Vocanoes - Deployment of Across at Sakurajima Volcano, Japan
K. Yamaoka, T. Watanabe, T. Kunitomo, H. Miyamachi, M. Iguchi
33rd General Assembly of the European Seismological Commission   19 Aug 2012   
11 years of seismic velocity monitoring with across near Nojima fault, Japan
Yamaoka,K., R. Ikuta, T. Watanabe, K. Nishigami, T. Kunitomo
33rd General Assembly of the European Seismological Commission   19 Aug 2012   
Monitoring for Active Volcanoes - A challenge at Sakurajima volcano
Yamaoka, K., Watanabe, T., Michishita, T., Miyamachi, H. and Iguchi, M.
American Geophysical Union, 2011 Fall Meeting   5 Dec 2011   
The lateral variation of the shear-wave splitting values just above the subducting ridge
Iidaka, T., Kato, A., Ikuta, R., Yoshida, Y., Katsumata, K., Iwasaki, T., Sakai, S., Tsumura, N., Yamaoka, K., Watanabe, T., Kunitomo, T., Yamazaki, F., Okubo, M., Suzuki, S. and Hirata, N.
American Geophysical Union, 2011 Fall Meeting   5 Dec 2011   
Variations of fluid pressure within the subducting oceanic crust: Fine-scale seismic structures correlating with slow earthquakes
Kato, A., Iidaka, T., Ikuta, R., Yoshida, Y., Katsumata, K., Iwasaki, T., Sakai, S., Thurber, C. H., Tsumura, N., Yamaoka, K., Watanabe, T., Kunitomo, T., Yamazaki, F., Okubo, M., Suzuki, S. and Hirata
American Geophysical Union, 2010 Fall Meeting   13 Dec 2010   
Monitoring of the Nojima Fault structure using Accurately Co,ntrolled Routinely Operated Signal System (ACCROSS)
Kobayashi, Y., Watanabe, T., Yamaoka, K., Ikuta, R. and Nishigami, K.
American Geophysical Union, 2010 Fall Meeting   13 Dec 2010   
Comprehensive understanding of a deep transition zone from an unstable- to stable-slip regime of the megathrust interplate earthquake
Kato, A., Iidaka, T., Ikuta, R., Yoshida, Y., Katsumata, K., Iwasaki, T., Sakai, S., Yamaoka, K., Watanabe, T, Kunitomo, T., Yamazaki, F., Tsumura, N., Nozaki, K., Okubo, M., Suzuki, S., Hirata, N., Zhang, H. and Thurber, C. H.
American Geophysical Union, 2009 Fall Meeting   Dec 2009   
Temporal variation of seismic propagation property by ACROSS system
Yamaoka, K., Watanabe, T., Ikuta, R. and Kunitomo, T.
American Geophysical Union, 2008 Fall Meeting   Dec 2008   
The passive imaging of the Philippine Sea slab underneath Tokai region in Japan inferred from cross-correlation analysis of teleseismic S coda
Tonegawa, T., Nishida, K., Watanabe, T., Shiomi, K.
American Geophysical Union, 2008 Fall Meeting   Dec 2008