Achievements

Reviewed Papers

17. Andajani, R. D., T. Ikeda, and T. Tsuji
        Surface wave analysis for heterogeneous geological formation in geothermal field: Effect of wave propagation direction
  Explor. Geophys., in press.

16. Nimiya, H., T. Ikeda, and T. Tsuji (2017)
        Spatial and temporal seismic velocity changes on Kyushu Island during the 2016 Kumamoto earthquake
        Sci. Adv., 3(11), e1700813, [Link]

15. Eng. C., T. Ikeda, and T. Tsuji (2017)
Study of the Nankai seismogenic fault using dynamic wave propagation modelling of digital rock from the Nobeoka fault
Explor. Geophys.doi:10.1071/EG17129, [Link]

14. Ikeda, T., T. Tsuji, M. Takanashi, I. Kurosawa, M. Nakatsukasa, A. Kato, K. Worth, D. White, and B. Roberts (2017)
Temporal variation of the shallow subsurface in the Aquistore CO2 storage site associated with environmental influences using a continuous and controlled seismic source
J. Geophys. Res., 122(4), 2859-2872, [Link]

13. Tsuji, T., T. Ikeda, T.A. Johansen, and B.O. Ruud (2016)
Utilizing seismic noise derived from fluid injection well for continuous reservoir monitoring
Interpretation, 4(4), SQ1-SQ11, [Link]

12. Ikeda, T. and T. Tsuji (2016)
Surface wave attenuation in the shallow subsurface from multichannel-multishot seismic data: a new approach for detecting fractures and lithological discontinuities
Earth Planets Space, 68:111, [Link]

11. Ikeda, T., T. Tsuji, T. Watanabe, and K. Yamaoka (2016)

Development of surface-wave monitoring system for leaked CO2 using a continuous and controlled seismic source
Int. J. Greenhouse Gas Control, 45, 94-105, [Link], [EulekAlert]

10. Ikeda, T. and T. Tsuji (2015)
Advanced surface-wave analysis for 3D ocean bottom cable data to detect localized heterogeneity in shallow geological formation of a CO2 storage site
Int. J. Greenhouse Gas Control, 39, 107-118, [Link]

9. Ikeda, T., T. Matsuoka, T. Tsuji, and T. Nakayama (2015)
Characteristics of the horizontal component of Rayleigh waves in multimode analysis of surface waves
Geophysics, 80(1), EN1-EN11, [Link]

8. Ikeda, T. and T. Tsuji (2014)
Azimuthal anisotropy of Rayleigh waves in the crust in southern Tohoku area, Japan
J. Geophys. Res., 119(12), 8964-8975, [Link]

7. Ikeda, T., T. Tsuji, and T. Matsuoka (2013)
Window-controlled CMP crosscorrelation analysis for surface waves in laterally heterogeneous media
Geophysics, 78(6), EN95-EN105, [Link]

6. Ikeda, T. and T. Matsuoka (2013)
Computation of Rayleigh waves on transversely isotropic media by the reduced delta matrix method
Bull. Seismol. Soc. Am., 103(3), 2083-2093, [Link]

5. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2012)
Multimode inversion with amplitude response of surface waves in the spatial autocorrelation method
Geophys. J. Int., 190(1), 541-552, [Link]

4. Ono, Y., T. Noguchi, R. R. Putra, S. Uemura, T. Ikeda, and J. Kiyono (2012)
Estimating subsurface shear wave velocity structure and site amplification characteristics of Padang, Indonesia [in Japanese]
JSCE journal, A1, 68(4), 227-235

3. Tsuji. T., T. A. Johansen, B. O. Ruud, T. Ikeda, and T. Matsuoka (2012)
Surface-wave analysis for identifying unfrozen zones in subglacial sediments
Geophysics, 77(3), EN17-EN27, [Link]

2. Ikeda. T., T. Matsuoka, T. Tsuji, and K. Hayashi (2011)
Multi-mode analysis of Spatial Auto Correlation (SPAC) method considering different correlation distance [in Japanese]
BUTSURI-TANSA, 64(2), 127-138

1. Noguchi, T., Y. Ono, J. Kiyono, T. Horio, M. Kubo, T. Ikeda, and R. R. Putra (2010)
Determination of the subsurface structure of Padang city, Indonesia using microtremor exploration [in Japanese]
JSCE journal, A1, 66(1), 30-39


International Presentations

33. Tsuji, T., T. Ikeda, and H. Nimiya (2017)
        Spatial and temporal variation of seismic velocity during the 2016 Off-Mie earthquake and the 2016 Kumamoto earthquake: Insight into fault healing mechanism
        AGU Fall Meeting 2017, New Orleans, USA, 12/11-12/15

32. Andajani, R. D., T. Ikeda, and T. Tsuji (2017)
        Development of surface wave analysis method for heterogeneous geological condition in geothermal field
        International Symposium on Earth Science and Technology 2017, Fukuoka, Japan, 11/30-12/1

31. Nimiya, H., T. Ikeda, and T. Tsuji (2017)
        Monitoring temporal changes of seismic velocity caused by the 2016 Kumamoto earthquake using cross-correlations of ambient seismic noise
        International Symposium on Earth Science and Technology 2017, Fukuoka, Japan, 11/30-12/1

30. Takahashi, K., H. Nimiya, Y. Nagata, Y. Suemoto, T. Ikeda, T. Tsuji, and K. Hayashi (2017)
        3D geological model in the Uchinomaki hot spring area using surface wave analysis
        International Symposium on Earth Science and Technology 2017, Fukuoka, Japan, 11/30-12/1

29. Kret, K., T. Ikeda, and T. Tsuji (2017)
        Monte Carlo inversion for pore geometry and elastic moduli estimation of oceanic basalt of the Juan De Fuca Ridge
        International Symposium on Earth Science and Technology 2017, Fukuoka, Japan, 11/30-12/1

28. Ikeda, T., T. Tsuji, M. Nakatsukasa, H. Ban, A. Kato, K. Worth, D. White, and B. Roberts (2017)
Shallow characterization and monitoring of the Aquistore CO2 storage site from spatially windowed surface-wave analysis with a permanent seismic source
87th SEG Annual Meeting, Houston, USA, 9/24-29

27. Kret, K., T. Ikeda, and T. Tsuji (2017)
Monte Carlo inversion for pore geometry and elastic moduli estimation of oceanic basalt of the Juan de Fuca Ridge
The 10th AUN/SEED-Net Regional Conference on Geological and Geo-Resource Engineering, Phnom Penh, Cambodia, 8/2-3

26. Eng, C., T. Ikeda, and T. Tsuji (2017)
Evaluation of rock evolution process in seismogenic fault: Dynamic wave propagation modeling to the digitalized fault rocks
IAG-IASPEI, Kobe, Japan, 7/30-8/4

25. Nimiya, H., T. Ikeda, and T. Tsuji (2017)
A temporal and spatial change in seismic velocity caused by the 2016 Kumamoto earthquake using cross-correlations of ambient seismic noise
IAG-IASPEI, Kobe, Japan, 7/30-8/4

24. Eng, C., T. Ikeda, and T. Tsuji (2016)
Effect of Crack-Filling Materials on Seismic Velocity Using Digital Rock Physics
International Symposium on Earth Science and Technology (CINEST) 12/8-9

23. Ikeda, T. and T. Tsuji (2016)
Robust subsurface monitoring using a continous and controlled seismic source
GHGT-13, 11/14-18

22. Tsuji, T., T. Ikeda, and F. Jiang (2016)
Hydorologic and elastic properties of CO2 injected rock at various conditions: Insights into quantitative monitoring of injected CO2
GHGT-13, 11/14-18

21. Ikeda, T., T. Tsuji, M. Takanashi, I. Kurosawa, M. Nakatsukasa, K. Worth, D. White, and B. Roberts (2016)
Time-lapse monitoring of shallow subsurface in the Aquistore CO2 storage site from surface-wave analysis using a continuous and controlled seismic source
86th SEG Annual Meeting, Dallas, USA, 10/16-21

20. Ikeda, T., F. Jiang, and T. Tsuji (2016)
Digital rock physics for evaluating effects of CO2 saturation on seismic velocity in natural sandstone 
13th Annual Meeting Asia Oceania Geosciences Society (AOGS 2016), Beijing, China, 7/31-8/6

19. Tsuji, T., T. Ikeda, and F. Jiang (2016)
Hydrologic and elastic modeling for time-evolved digital rock models : Insight into rock and fault evolution process
Crustal Dynamics 2016, Takayama, Japan, 7/19-22

18. Ikeda, T. and T. Tsuji (2016)
Spatial and temporal variation of stress state in east Japan during the 2011 Tohoku-oki earthquake from S-wave splitting analysis for ambient noise records
Crustal Dynamics 2016, Takayama, Japan, 7/19-22

17. Eng, C., T. Ikeda, and T. Tsuji (2016)
Characterization of Nankai Seismogenic Fault by Applying Dynamic Wave Propagation Simulation to Digital Rock Models
Japan Geoscience Union Meeting, Makuhari, Japan, 5/22-26

16. Ikeda, T. and T. Tsuji (2016)
Spatial and temporal variation of stress state in east Japan during the 2011 Tohoku-oki earthquake: Insights from S-wave splitting analysis from ambient noise records
Japan Geoscience Union Meeting, Makuhari, Japan, 5/22-26

15. Ikeda, T. and T. Tsuji (2015)
Characterization of near-surface heterogeneity by integrating surface-wave phase velocity and attenuation
12th SEGJ International Symposium, Tokyo, Japan, 11/18-20

14. Tsuji, T., T. Ikeda, T.A. Johansen, and B.O. Ruud (2015)
Time-lapse seismic profiles derived from passive seismic interferometry in fluid-injection experiments
85th SEG Annual Meeting, New Orleans, USA, 10/18-23

13. Ikeda, T. and T. Tsuji (2015)
Characterization of localized heterogeneity in shallow formation by the advanced surface-wave analysis
12th Annual Meeting Asia Oceania Geosciences Society (AOGS 2015), Singapore, 8/2-7

12. Ikeda, T. and T. Tsuji (2015)
Detecting localized fracture and lithological boundary by the analysis of spatial variation of surface wave attenuation estimated from multichannel-multishot data
The Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP 2015), Austin, USA, 3/22-26

11. Ikeda, T. and T. Tsuji (2014)
Detecting localized fracture and lithological boundary in shallow formation from surface wave attenuation
International Symposium on Earth Science and Technology 2014, Fukuoka, Japan, 12/4-5

10. Ikeda, T., T. Matsuoka, T. Tsuji, and T. Nakayama (2013)
Multimode inversion of Rayleigh waves using vertical and horizontal component data
83th SEG Annual Meeting, Huston, USA, 9/22-27

9. Ikeda, T., M. Asten, and T. Matsuoka (2013)
Joint inversion of spatial autocorrelation curves with HVSR for site characterization in Newcastle, Australia
23nd International Geophysical Conference & Exhibition (ASEG2013), Melbourne, Australia, 8/11-14

8. Asten, M., C. Collins, T. Volti, and T. Ikeda (2013)
The good, the bad and the ugly - lessons from and methodologies for extracting shear-wave velocity profiles from microtremor array measurements in urban Newcastle, Australia
23nd International Geophysical Conference & Exhibition (ASEG2013), Melbourne, Australia, 8/11-14

7. Ikeda, T., T. Tsuji, and T. Matsuoka (2013)
Retrieving two-dimensional S-wave velocity structure by the CMP cross-correlation analysis for surface waves with spatial window
Near surface Geophysics Asia Pacific Conference, Beijing, China, 7/17-19

6. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2012)
Multimodal direct fitting of SPAC coefficients using amplitude response
22nd International Geophysical Conference & Exhibition (ASEG2012), Brisbane, Australia, 2/26-29

5. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2011)
Multi-mode inversion by direct fitting of SPAC coefficients using amplitude response of surface waves
Proceedings of the 15th International Symposium on Recent Advances in Exploration Geophysics (RAEG2011), Kyoto, Japan, 11/24-25

4. Tsuji, T., T. A. Johansen, B. O. Ruud, T. Ikeda, and T. Matsuoka (2011)
Surface wave analysis for studying elastic properties of glacier bed sediments
81th SEG Annual Meeting, San Antonio, USA, 9/18-23

3. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2011)
Evaluation of vibration characteristics at improved soft ground by surface wave method
The Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP 2011), Charleston, USA, 4/10-14

2. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2010)
Higher modes of surface waves in microtremor analysis
80th SEG Annual Meeting, Denver, USA, 10/17-22

1. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2009)
Application of microtremor analysis using SPAC method including higher modes
EIT-JSCE Joint International Symposium 2009 -Geotechnical Infrastructure Asset Management-, Bangkok, Thailand, 9/7-8


Japanese Presentations

26. Nimiya, H., T. Ikeda, and T. Tsuji (2018)
Surface wave tomography using ambient seismic noise - Three-dimensional surface wave phase velocity throughout Japan
138th SEGJ conference, 5/27-29

25. Ikeda, T. and Tsuji, T. (2018)
Surface-wave phase velocity tomography for near-surface characterization using active source seismic data
138th SEGJ conference, 5/27-29

24. Tsuji, T., H. Nimiya, and T. Ikeda (2018)
Dynamic behaviors of the whole Japanese Islands using seismic interferometry: Spatial and temporal variation of seismic velocity and its mechanisms
138th SEGJ conference, 5/27-29

23. Ikeda, T., H. Nimiya, and T. Tsuji (2018)
Spatio-temporal change in seismic velocity associated with the 2016 Kumamoto earthquake using cross-correlations of ambient noise records (invited)
Japan Geoscience Union Meeting, 5/20-24

22. Suemoto, Y., H. Nimiya, T. Ikeda, T. Tsuji, and Y. Iio (2018)
Three dimensional S-wave velocity structure near the fault zones of the 2000 western Tottori earthquake using surface wave tomography
Japan Geoscience Union Meeting, 5/20-24

21. Takahashi, K., H. Nimiya, T. Ikeda, T. Tsuji, and K. Hayashi (2018)
Elucidation of geological structure in the Uchinomaki hot spring area using microtremor array measurment: Insight into horizontal deformation during 2016 Kumamoto earthquake
Japan Geoscience Union Meeting, 5/20-24

20. Takahashi, K., H. Nimiya, Y. Nagata, Y. Suemoto, T. Ikeda, T. Tsuji, and K. Hayashi (2017)
Geological structures in the Uchinomaki Hot spring Area using Surface Wave Analysis: Insight into horizontal sliding during the Kumamoto earthquake
137th SEGJ conference, 11/8-10

19. Nagata, Y., T. Tsuji, T. Ikeda, H. Nimiya, T. Watanabe, and K. Yamaoka (2017)
Development of analysis method for small-size ACROSS
137th SEGJ conference, 11/8-10

18. Tsuji, T., T. Ikeda, and Y. Nagata (2017) 
Continuous and accurate monitoring system for injected CO2
The Mining and Materials Processing Institute of Japan (MMIJ) Fall meeting 2017, 9/26-28

17. Nimiya, H., T. Ikeda, and T. Tsuji (2017) 
Mapping temporal change in seismic velocity caused by the 2016 Kumamoto earthquake using cross-corelations of ambient seismic noise
136th SEGJ conference, 6/5-7

16. Andajani, R. D., T. Ikeda, and T. Tsuji (2017)
Window controlled CMP crosscorrelation analysis for surface wave in geothermal field
136th SEGJ conference, 6/5-7

15. Ikeda, T., T. Tsuji, M. Nakatsukasa, H. Ban, A. Kato, K. Worth, D. White, and B. Roberts (2017)
Spatial and temporal variation of surfac-wave phase velocity in the Aquistore CO2 stoage site using a single seismic ACROSS
136th SEGJ conference, 6/5-7

14. Tsuji, T., K. Ishitsuka, T. Ikeda, and T. Matsuoka (2016)
Fault activities and their relations to volcanoes in the 2016 Kumamoto earthquake: Insight from InSAR analysis and field observations
Japan Geoscience Union Meeting, 5/22-26

13. Ikeda, T. and T. Tsuji (2015)
S-wave splitting analysis using ambient noise records
2015 SSJ fall meeting, 10/26-28

12. Tsuji, T., T. Ikeda, and F. Jiang (2015)
Digital rock physics for quantitative monitoring of geologically stored CO2
132th SEGJ conference, 5/11-13

11. Ikeda, T., T. Tsuji, T. Watanabe, and K. Yamaoka (2015)
Surface-wave analysis for monitoring subsurface structure using ACROSS
132th SEGJ conference, 5/11-13

10. Ikeda, T., T. Tsuji, M. Ikeda, K. Onishi, and N. Nishizaka (2014)
Two-dimensional analysis of surface wave attenuation coefficients by using multichannel seismic data
131th SEGJ conference, 10/21-23

9. Ikeda, T. and T. Matsuoka (2013)
Deconvolution for dispersion images in surface wave analysis
128th SEGJ conference, 6/3-5

8. Hirooka, S., T. Kagawa, T. Ikeda, K. Jodai, and T. Matsuoka (2013)
Surface wave of huge earthquake measured by tiltmeter
13th Japan Symposium on Rock Mechanics, 1/9-11

7. Ikeda, T., T. Tsuji, T. Matsuoka, Y. Ishikawa, and M. Ikeda (2012)
S-wave velocity structure near Median Tectonic Line estimated by applying surface wave analysis for seismic reflection survey data
126th SEGJ conference, 5/29-31

6. Noguchi, T., S. Uemura, A. Sato, R. R. Putra, Y. Ono, J. Kiyono, T. Ikeda and T. Kagawa (2011)
Determination of underground structure of Padang, Indonesia by microtremor observation
Japan Geoscience Union Meeting, 5/22-27

5. Ikeda, T. and T. Matsuoka (2011)
Computation of Rayleigh wave dispersion on anisotropic media by compound matrix method
Japan Geoscience Union Meeting, 5/22-27

4. Ikeda, T. and T. Matsuoka (2011)
Computation of surface wave dispersion by compound matrix method -application to anisotropic media-
124th SEGJ conference, 5/10-12

3. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2010)
Estimation of macroscopic vibration characteristics of composite ground using surface wave exploration based on homogenization method
122th SEGJ conference, 5/25-27

2. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2009)
Vibration characteristics of microtremors propagating two dimensional structure by finite difference method
The Mining and Materials Processing Institute of Japan (Kansai branch),12/18

1. Ikeda, T., T. Matsuoka, T. Tsuji, and K. Hayashi (2009)
Application of microtremor analysis using SPAC method including higher modes
120th SEGJ conference, 5/28-30

Grant

2011 Foundation for the Promotion of Engineering Research Overseas Travel Grant for Young Researchers

2012-2014 Japan Society for the Promotion of Science DC2

2016-2018 Japan Society for the Promotion of Science KAKENHI "WAKATE B"

2018-2020 Japan Society for the Promotion of Science KAKENHI "WAKATE"

Awards

Best Presentation Award at 136th SEGJ conference, 5-7, June, 2017, Tokyo, Japan

Best Presentation Award at 132th SEGJ conference, 11-13, May, 2015, Tokyo, Japan

Excellent Student Presenter at Near Surface Geophysics Asia Pacific Conference, 17-19, July, 2013, Beijing, China

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