Publication list
2013
< Papers >
Suetsugu, D., and H. Shiobara, 2014. Broadband Ocean Bottom Seismology. Annual Review of Earth and Planetary Sciences, 42, 27-43, doi:10.1146/annurev-earth-060313-054818.
Utada, H, Baba, K., 2014. Estimating the electrical conductivity of the melt phase of a partially molten asthenosphere from seafloor magnetotelluric sounding data. Phys. Earth Planet. Inter., 227, 41-47, do:10.1016/j.pepi.2013.12.004.
Zhang, L.L., Utada, H., Shimizu, H., Baba, K., Maeda, T., 2014. Three-dimensional simulation of the electromagnetic fields induced by the 2011 Tohoku tsunami. J. Geophys. Res. (Solid Earth), 119, 150-168, doi:10.1002/2013JB010264.
Tasaka, M., Hiraga, T. and Michibayashi, K., 2014. Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep: 3 Application of grain growth and flow laws on peridotite ultramylonite1: Grain size and grain growth laws. J. Geophys. Res., 119, 840-857, DOI:10.1002/2013JB010619.
Sugioka, H., Y.Hamano, K. Baba, T. Kasaya, N. Tada, D. Suetsugu, 2014. Tsunami: Ocean dynamo generator. Scientific Reports, 4, 1-7, doi:10.1038/srep03596.
Baba, K, Utada, H., 2013. Is the electrical conductivity of the northwestern Pacific mantle normal? Geochem. Geophys. Gooses., 14, 4969-4979, doi: 10.1002/2013GC004997.
Song, T.-R. A., and H. Kawakatsu, 2013. Subduction of oceanic asthenosphere: A Critical Appraisal in Central Alaska. Earth and Planetary Science Letters, 367, 92-94.
Tonegawa, T., R. Iritani, and H. Kawakatsu, 2013. Extraction of Moho-generated phases from vertical and radial receiver functions of seismic array. Bull. Seismol. Soc. Am., 103, 2011-2024, doi:10.1785/0120120295.
Takeo, A., K. Nishida, T. Isse, H. Kawakatsu, H. Shiobara, H. Sugioka, and T. Kanazawa, 2013. Radially anisotropic structure beneath the Shikoku Basin from broadband surface wave analysis of ocean bottom seismometer records. J. Geophys. Res., 118, 41654, doi:10.1002/jgrb.50219.
Shito, A., D. Suetsugu, T. Furumura, H. Sugioka, and A. Ito, 2013. Small-scale heterogeneities in the oceanic lithosphere inferred from guided waves. Geophys. Res. Lett., 40, doi:10.1002/grl.50330.
Namiki, A., Sueyoshi, K. & Takeuchi, N., 2013. Can a sheet-like low-velocity region form an elongated Large Igneous Province? Geochem. Geophys. Geosys., 14, 3053-3066, doi:10.1002/ggge.20182.
Patro, P.K., Uyeshima, M. and Siripunvaraporn, W, 2013. Three-dimensional inversion of magnetotelluric phase tensor data. Geophysical Journal International, 192, 58-66.
Takei, Y. and R. F. Katz, 2013. Consequences of viscous anisotropy in a deforming, two-phase aggregate. Part 1. Governing equations and linearized analysis. Journal of Fluid Mechanics, 734, 424-455.
Katz, R.F. and Y. Takei, 2013. Consequences of viscous anisotropy in a deforming, two-phase aggregate. Part 2. Numerical solutions of the full equations. Journal of Fluid Mechanics,734, 456-485.
Tasaka, M. and Hiraga, T., 2013. Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep 1: Grain size and grain growth laws. J. Geophys. Res., 118, DOI:10.1002/jgrb.50285.
Tasaka, M., Hiraga, T. and Zimmerman, M.E., 2013. Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep 2: Deformation experiments. J. Geophys. Res., 118, DOI:10.1002/jgrb.50284.
Hiraga, T., Miyazaki, T. Yoshida, H. and Zimmerman, M.E., 2013. Comparison of microstructures in superplastically deformed synthetic materials and natural mylonites: Mineral aggregation via grain boundary sliding. Geology, 41, 959-962.
Miyazaki, T., Sueyoshi, K. and Hiraga T., 2013. Olivine crystals align during diffusion creep of Earth’s upper mantle. Nature, 502, 321-326.
Tanaka, S., 2013. One-dimensional modeling of multiple scattering in the upper inner core: Depth extent of a scattering region in the Eastern hemisphere. J. Earth Sci., 24, 706-715.
Idehara, K., Tanaka, S., Takeuchi, N., 2013. High-velocity anomaly adjacent to the western edge of the Pacific low-velocity province. Geophys. J. Int., 192, 1-6.
Obayashi, M., J. Yoshimitsu, G. Nolet, Y. Fukao, H. Shiobara, H. Sugioka, H. Miyamachi, and Y. Gao, 2013. Finite frequency whole mantle P wave tomography: Improvement of subducted slab images. Geophys. Res. Lett., 40, 5652-5657, doi:10.1002/2013GL057401.
Fukao Y. and M. Obayashi, 2013. Subducted slabs stagnant above, penetrating through, and trapped below the 660 km discontinuity. J. Geophys. Res. Solid Earth, 118, 5920-5938, doi:10.1002/2013JB010466.
2012
< Papers >
T. Tonegawa, R. Iritani, H. Kawakatsu, Extraction of Moho-generated phases from vertical and radial receiver functions of a seismic array, Bulletin of the Seismological Society of America, 103(3), doi:10.1785/0129120295, 2013
Idehara, K., Tanaka, S. & Takeuchi, N., High-velocity anomaly adjacent to the western edge of the Pacific low-velocity province, Geophys. J. Int., 192, 1-6, 2013
Yamada, R., Garcia, R.F., Lognonne, P., Kobayashi, N., Takeuchi, N., Nebut, T., Shiraishi, H., Calvet, M. & Ganepain-Beyneix, J, On the Possibility of lunar core phase detection using new seismometers for soft-landers in future lunar missions, Planet. Space Sci., inpress, 2013
K. Baba, N. Tada, H. Utada, and W. Siripunvaraporn, Practical incorporation of local and regional topography in three-dimensional inversion of deep ocean magnetotelluric data, Geophys. J. Int., in press, 2013.
Song, T.-R. A., and H. Kawakatsu, Subduction of oceanic asthenosphere: A Critical Appraisal in Central Alaska, Earth and Planetary Science Letters, 367, 82-94, 2013
Song, T.-R. A., and H. Kawakatsu, Subduction of oceanic asthenosphere: evidence from sub-slab seismic anisotropy, Geophy. Res. Lett., 39, L17301, 2012
Kawakatsu, H., At the bottom of the oceanic plate (Perspective), Science, 335, 1448-1449, 2012
Nagaoka, Y., K. Nishida, Y. Aoki, M. Takeo, and T. Ohminato, Seismic imaging of magma chamber beneath an active volcano, Earth and Planetary Science Letters, 333-334, 1-8, 2012
K. Nishida and K. Shiomi, Enigmatic very low-frequency tremors beneath the Shonai plain in northeastern Japan, J. Geophy. Res., 117, doi:10.1029/2012JB009258, 2012
T. Tonegawa, Y. Fukao, K. Nishida, H. Sugioka, and A. Ito, A temporal change of shear wave anisotropy within the marine sedimentary layer associated with the 2011 Tohoku-Oki earthquake, J. Geophy. Res., in press, 2013
K. Nishida, Earth's background free oscillations, Ann. Rev. Earth Planet. Sci., 41, doi:10.1146/annurev-earth-050212-124020, 2013
K. Nishida, Global propagation of body waves revealed by cross-correlation analysis of seismic hum, GRL, doi:10.1002/grl.50269, 2013
N. Tada, K. Baba, W. Siripunvaraporn, M. Uyeshima, and H. Utada, Approximate treatment of seafloor topographic effects in three-dimensional marine magnetotelluric inversion, Earth, Planets and Space, 64, 1005-1021, 2012
Suetsugu, D., T. Hanyu, Origin of hotspots in the South Pacific: Recent advances in seismological and geochemical models, Geochemical Journal, in press, 2013
Shito, A., D. Suetsugu, T. Furumura, H. Sugioka, A. Ito, Small-scale heterogeneities in the oceanic lithosphere inferred from guided waves, Geophysical Research Letters, in press, 2013
D. Suetsugu, H. Shiobara, H. Sugioka, A. Ito, T. Isse, T. Kasaya, N. Tada, K. Baba, N. ABE, Y. Hamano, P. Tarits, J.-P. Barriot, D. Reymond, TIARES Project -Tomographic investigation by seafloor array experiment for the Society hotspot, Earth Planets Space, 64, 1-4, 2012
Ito A., H. Sugioka, D. Suetsugu, H. Shiobara, T. Kanazawa, Y. Fukao, Detection of small earthquakes along the Pacific-Antarctic Ridge from T-waves recorded by abyssal ocean-bottom observatories, Marine Geophysical Research, DOI 10.1007/s11001-012-9158-0, 2012
M. Morishige and S. Honda, Mantle flow and deformation of subducting slab at a plate junktion, Earth and Planetary Science Letters, 365, 132-142, 2013
A. Ismail-Zadeh, S. Honda, and I. Tsepelev, Linking mantle upwelling with the lithosphere descent and the Japan Sea evolution, Scientific Reports, 3, 1-7, 2013
M. Hata, N. Oshiman, R. Yoshimura, Y. Tanaka and M. Uyeshima, Fluid upwelling beneath arc volcanoes above the subducting Philippine Sea Plate: Evidence from regional electrical resistivity structure, J. Geophys. Res., VOL. 117, B07203, doi:10.1029/2011JB009109, 2012
P.K. Patro, M. Uyeshima and W. Siripunvaraporn, Three-dimensional inversion of magnetotelluric phase tensor data, Geophysical Journal International, 192, 58?66, 2013.
Tasaka M., Hiraga, T., Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep 2: Deformation experiment, J. Geophys. Res, in press, 2013
Tanaka, S., Depth extent of hemispherical inner core from PKP(DF) and PKP(Cdiff) for equatorial paths, Phys. Earth Planet. Inter., 210-211, 50-62, 2012
H. Shiobara, T. Kanazawa and T. Isse, New Step for Broadband Seismic Observation on the Sea Floor: BBOBS-NX, IEEE-JOE,doi: 10.1109/JOE.2012.2222792, 2012
Sugioka, H., Okamoto, T., Nakamura, T., Ishihara, Y., Ito, A., Obana, K., Kinoshita, M., Nakahigashi, K., Shinohara, M., Fukao, Y., Tsunamigenic potential of the shallow subduction plate boundary inferred from slow seismic slip, Nature Geoscience, 5, 414-418, 2012
Zhang, L.L., Koyama, T., Utada, H., Yu, P., Wang, J., A regularized three-dimensional magnetotelluric inversion with a minimum gradient support constraint, Geophys. J. Int., 189, 296-316, 2012
< Meeting >
Kiyoshi Baba, Noriko Tada, Hisashi Utada, and Weerachai Siripunvaraporn, Practical incorporation of topography in three-dimensional inversion of marine magnetotelluric data, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012
E. Tursack, R. L. Evans, D. Lizarralde, J. Collins, J. Elsenbeck, G. Hirth, J. Gaherty, A. Pommier, K. Baba, and T. Matsuno, Electromagnetic constraints on the structure of the oceanic upper mantle: Consistencies and inconsistencies with other observations, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012
Noriko Tada, Kiyoshi Baba, Hisashi Utada, Three-dimensional electrical conductivity structure of the Philippine Sea upper mantle using marine magnetotelluric data, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012
M. Uyeshima, S. Yamaguchi, H. Murakami, T. Tanbo, R. Yoshimura, H. Ichihara and K. Omura, On the Network-MT survey in the vicinity of the 1891 Noubi Earthquake seismic fault, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012
M. Hata, N. Oshiman, R. Yoshimura, Y. Tanaka and M. Uyeshima, 3D Electrical Resistivity Imaging of Slab-derived Fluids and Partial Melting involving Arc Volcano Formation by the Network-MT Data, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012
Tanaka S, Analysis of PKP(DF) and PKP(Cdiff) for equatorial paths: Depth extent of hemispherical inner core （invited）, The International Workshop on Core Dynamics, Wuhan, China, 2012
Tanaka S., P-wave velocity structure in the lowermost 600 km of the mantle beneath Western Pacific inferred from travel times and amplitudes observed with NECESSArray, II, NECESSArray Workshop, Tokyo, 2012
Tanaka S., Frequency dependent amplitude ratio of PKiKP/PcP observed at the Hinet array: Possible detection of a thin liquid layer above the inner core boundary, SEDI 2012, Leeds, UK, 2012
Hiraga, T., Miyazaki, T., Tasaka, M., Sueyoshi, K., Nakakoji, T., Koizumi, S. Yoshida, H., Atmospheric pressure creep experiments using highly dense fine-grained mineral aggregates, AGU2012, San Francisco, 2012
Tanaka S, Tkalcic H, A new probe of the inner core boundary: Frequency dependent amplitude ratio of PKiKP/PcP observed at the Hinet array（invited）, AGU2012, San Francisco, 2012
H. Shiobara, H. Sugioka, T. Isse, A. Ito, A. Takeo and H. Utada, The first practical observation of the BBOBS-NX in the Normal Oceanic Mantle project, AGU2012, San Francisco, 2012
Azusa Shito, Daisuke Suetsugu, Takashi Furumura, Hiroko Sugioka, and Aki Ito, Seismic structure of the oceanic lithosphere inferred from guided wave, AGU2012, San Francisco, 2012
Y. Takei, F. Karasawa, Experimental study on anelasticty of polycrystalline material for seismological application （invited）, AGU2012, San Francisco, 2012
Y. Takei, R. Katz, Consequences of viscous anisotropy for melt localization in a deforming, two-phase aggregate（invited）, AGU2012, San Francisco, 2012
A. Takeo・D. Forsyth・K. Nishida・T. Isse・H. Kawakatsu・H. Shiobara・D. Suetsugu・H. Sugioka・A. Ito・D. Weeraratne・T. Kanazawa, Uppermost mantle anisotropy beneath south an northwest Pacific by ambient noise interferomerty analysis of OBS records , AGU2012, San Francisco, 2012
Hisashi Utada,Luolei Zhang, Hisayoshi Shimizu, Kiyoshi Baba, Takuto Maeda, Three-dimensional forward calculation of the electromagnetic fields induced by tsunamis, AGU2012, San Francisco, 2012
< Books >
Shinohara, M., K. Suyehiro, and H. Shiobara, IASPEI, New manual of seismological observatory practice revised version, Chapter 7.5, Marine seismic observation, 2012
2011
< Papers >
Shinbori, A., Nishimura, Y., Tsuji, Y., Kikuchi, T., Araki, T., Ikeda A., Uozumi, T., Otadoy, R.E.S., Utada, H., Ishitsuka, J., Trivedi, N.B., Dutra, S.L.G., Schuch, N.J., Watari, S., Nagatsuma, T., and Yumoto, K.. Anomalous occurrence features of the preliminary impulse of geomagnetic sudden commencement in the South Atlantic Anomaly region, J. Geophys. Res., 115, Article Number A08309, 2010.
Utada, H., Shimizu, H., Ogawa, T., Maeda, T., Furumura, T., Yamamoto, T., Yamazaki, N., Yoshitake, Y., & Nagamachi, S., Geomagnetic field changes in response to the 2011 Off the Pacific Coast of Tohoku Earthquake and Tsunami, Earth Planet. Sci. Lett., 311, 11-27, doi:10.1016/j.epsl.2011.09.036, 2011.
Zhang, L.L., Koyama, T., Utada, H., Yu, P., Wang, J., A regularized three-dimensional magnetotelluric inversion with a minimum gradient constraint, Geophys. J. Int., 189, 296-316, 2012.
Takeuchi, N., 2012.
Detection of ridge-like structures in the Pacific Large Low-Shear-Velocity Province, Earth Planet. Sci. Lett., 319-320, Feb 2012 55-64.
Tonegawa, T. and G. Helffrich, Basal reflector under the Philippine Sea Plate, Geophys. J. Int., 189, 659-668, 2012.
Kawakatsu, H. (2012), At the bottom of the oceanic plate (Perspective), Science, 335, 1448-1449..
Kumar, P., H. Kawakatsu, M. Shinahara, Kanazawa, Araki, K. Suyehiro (2011), P and S-receiver function analysis of seafloor borehole broadband seismic data, JGR, 116, B12308, doi:10.1029/2011JB008506.
Becker, T., and H. Kawakatsu (2011), On the role of anisotropic viscosity for plate-scale flow, Geophy. Res. Lett., 38, L17307, doi:10.1029/2011GL048584.
Erica L. Emry, Douglas A. Wiens, Hajime Shiobara, Hiroko Sugioka, Seismogenic characteristics of the Northern Mariana shallow thrust zone from local array data, Geochem. Geophys. Geosys. 12, Q12008 25PP, 2011.
Mark K. Prior, Oscar Meless, Paulina Bittner, and Hiroko Sugioka, Long-Range Detection and Location of Shallow Underwater Explosions Using Deep-Sound-Channel Hydrophones, IEEE Journal of Oceanic Engineering 36(4), 703-715, 2011.
Daisuke Suetsugu, Hajime Shiobara, Hiroko Sugioka, Aki Ito, Takehi Isse, Takafumi Kasaya, Noriko Tada, Kiyoshi Baba, Natsue Abe, Yozo Hamano, Pascal Tarits, Jean-Pierre Barriot, and Dominique Reymond, TIARES project -Tomographic investigation by seafloor array experiment for the Society hotspot, Earth Planets Space, 2012, in press.
Hiroko Sugioka, Taro Okamoto , Takeshi Nakamura , Yasushi Ishihara , Aki Ito , Koichiro Obana , Masa Kinoshita , Kazuo Nakahigashi , Masanao Shinohara, Yoshio Fukao, Tsunamigenic potential of the shallow subduction plate boundary inferred from slow seismic slip, Nature Geoscience, in press, 2012.
Morishige, M., and S. Honda (2011), Three-dimensional structure of P-wave anisotropy in the presence of small-scale convection in the mantle wedge, Geochem. Geophys. Geosyst., 12, Q12010, doi:10.1029/2011GC003866.
Y. Takei, K. Fujisawa, C. McCarthy, Experimental study of attenuation and dispersion over a broad frequency range: The apparatus, JGR, 116, B09204, doi:10.1029/2011JB008382, 2011
C. McCarthy, Y. Takei, T. Hiraga, Experimental study of attenuation and dispersion over a broad frequency range: The universal scaling of polycrystalline materials, JGR, 116, B09207, doi:10.1029/2011JB008384, 2011
C. McCarthy, Y. Takei, Anelasticity and viscosity of partially molten rock analogue: Toward seismic detection of small quantities of melt,
Geophys. Res. Lett. 38, L18306, doi:10.1029/2011GL048776, 2011
H. Ichihara, M. Uyeshima, S. Sakanaka, T. Ogawa, M. Mishina, Y. Ogawa, T. Nishitani, Y. Yamaya, A. Watanabe, Y. Morita, R. Yoshimura and Y. Usui, A fault-zone conductor beneath a compressional inversion zone, northeastern Honshu, Japan, Geophys. Res. Lett., 38, L09301, doi:10.1029/2011GL047382, 2011.
N. Tada, K. Baba, W. Siripunvaraporn, M. Uyeshima and H. Utada, Approximate treatment of seafloor topographic effects in three-dimensional marine magnetotelluric inversion, Earth Planets Space, in press.
< Meeting >
Utada, H., Baba, K., A discussion on the cause of high electrical conductivity in the oceanic upper mantle, JpGU spring meeting, Makuhari, 2011 (invited).
H. Shiobara, H. Utada, K. Baba, T. Isse, M. Shinohara and T. Kanazawa, Recent developments of ocean bottom seismic and electromagnetic instruments operated by ROV, UT11&SSC11 Joint Symposium, Tokyo, 2011.
N. Takeuchi, H. Kawakatsu, S. Tanaka, J. Chen, J. Ning, S. Grand, F. Niu, M. Obayashi, R. Iritani, K. Miyakawa, K. Idehara, T. Tonegawa, and NECESSArray Project Team, Upper-mantle tomography with array analysis of triplicated P-arrivals observed by NECESSArray, AGU Fall Meeting, USA, 2011/12/7.
N. Takeuchi, Seismic structure of the western Pacific regions, Workshop on ``New Horizons in the Earth Sciences: Deep Earth and Geodynamics'' in Todai Forum, Lyon, France, 2011/10/20.
Tonegawa, T. and G. Helffrich, Basal reflector under the Philippine Sea Plate, AGU fall meeting 2012 abstract, T31A-2325, 2012.
Obayashi M, Kawakatsu H, Tanaka S, Chen Y J, Ning J, Grand Sm P, Niu F, Miyakawa K, Idehara K, Tonegawa T, Iritani R、P-wave tomography of Northeastern China observed with NECESSArray、AGU2011、2011/12/6
Obayashi M, Kawakatsu H, Tanaka S, Chen Y J, Ning J, Grand Sm P, Niu F, Miyakawa K, Idehara K, Tonegawa T, Iritani R、Seismic evidence for upwelling of asthenosphere beneath Northeast China from S wave tomography、AGU2011、2011/12/6
Noriko Tada, Kiyoshi Baba, Hisashi Utada, Weerachai Siripunvaraporn, Makoto Uyeshima、Importance of treating seafloor topography in inversion of 3-D marine MT data、EGU General Assembly 2011、2011/4/3
S. Tanaka, Depth Variation of Inner Core Hemisphericity from PKP(DF) and PKP(Cdiff): P-Wave Velocity and Attenuation Structures for Equatorial Paths, IUGG、2011, 2011/7/2
S Tanaka,H Kawakatsu,Y Chen,J Ning,S Grand,F Niu,M Obayashi,K Miyakawa,K Idehara,T Tonegawa,R Iritani、P-wave Velocity Structure in the Lowermost 600 km of the Mantle beneath Western Pacific Inferred from Travel Times and Amplitudes Observed with NECESSArray、AGU2011、2011/12/6
Takehi Isse, Hajime Shiobara, J.-P., Montagner, Hiroko Sugioka, Aki Ito, Azusa Shito, Toshihiko Kanazawa, Kazunori Yoshizawa, Anisotropic structures of the upper mantle beneath the northern Philippine Sea region from Rayleigh and Love wave tomography, Abstract DI41A-2065 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
Y. Takei and C. McCarthy
,Effect of partial melting on seismic wave velocities and attenuation,
IUGG 2011 30 June, Melbourne, Australia
C. McCarthy and Y. Takei,
Attenuation and dispersion in melt-free and melt-bearing Earth analogue materials, IUGG 2011 30 June, Melbourne, Australia
Evans, R. L., D. Lizarralde, J. A. Collins, J. Elsenbeck, E. Tursack, G. Hirth, J. B. Gaherty, A. Pommier, K. Baba, and T. Matsuno (2011), Electromagnetic constraints on the struture of the oceanic upper-mantle: Consistencies and inconsistencies with other observations, AGU 2011 fall meeting, (San Francisco, USA), Dec. 05 ? 09 (Dec. 07), DI34B-03, (invited).
Baba, K. and H. Utada (2011), Variation in electrical conductivity of oceanic upper mantle with the lithospheric age, Workshop on “Ocean Mantle Dynamics: from Spreading Center to Subduction Zone”, (Chiba, Japan), Oct. 04 ? 06, (Oct. 04), O-05.
Baba, K. and N. Abe (2011), Marine magnetotelluric study on petit-spot volanism in northwestern Pacific, 8th annual meeting AOGS 2011, (Taipei, Taiwan), Aug. 08 ? 12 (Aug. 09), SE93-A002, (invited).
2010
< Papers >
Iritani, R., Takeuchi, N. & Kawakatsu, H., 2010. Seismic attenuation structure of the top half of the inner core beneath the northeastern Pacific, Geophys. Res. Lett., 37, L19303, doi:10.1029/2010GL044053.
Takeuchi, N. & Obara, K., 2010. Fine-scale topography of the D" discontinuity and its correlation to volumetric velocity fluctuations, Phys. Earth Planet. Int., 183, 126-135.
Baba, K., H. Utada, T. Goto, T. Kasaya, H. Shimizu, and N. Tada, Electrical conductivity imaging of the Philippine Sea upper mantle using seafloor magnetotelluric data, Phys. Earth Planet. Int., 183, 44--62, doi:10.1016/j.pepi.2010.09.010, 2010.
Shimizu, H., H. Utada, K. Baba, T. Koyama, M. Obayashi, & Y. Fukao (2010), Three-dimensional imaging of electrical conductivity in the mantle transition zone beneath the North Pacific Ocean by a semi-global induction study, Phys. Earth Planet. Int., 183, 252--269, doi:10.1016/j.pepi.2010.01.010.
Matsuno, T., N. Seama, R. L. Evans, A. D. Chave, K. Baba, A. White, T. Goto, G. Heinson, G. Boren, A. Yoneda, and H. Utada, Upper mantle electrical resistivity structure beneath the central Mariana subduction system, Geochem. Geophys. Geosyst., 11, Q09003, doi:10.1029/2010GC003101, 2010.
Shimizu, H., T. Koyama, K. Baba, & H. Utada (2010), Revised 1-D mantle electrical conductivity structure beneath the north Pacific, Geophys. J. Int., 180, 1030--1048, doi:10.1111/j.1365-246X.2009.04466.x.
Kuvshinov, A.H. and Utada, H., Anomaly of the geomagnetic Sq variation in Japan: effect from 3-D subterranean structure or the ocean effect ?, Geophys. J. Int., 183, 1239-1247, 2010.
Morishige, M., Honda, S., Tackley, P. J., Construction of semi-dynamic model of subduction zone with given plate kinematics in 3D sphere, Earth, Planets and Space, 62, 665-673, 2010
Adam, C., M. Yoshida, T. Isse, D. Suetsugu, Y. Fukao, and G. Barruol, South Pacific hotspot swells dynamically supported by mantle flows, Geophys. Res. Lett., 37, L08302, doi:10.1029/2010GL042534, 2010.
Suetsugu, D., T. Inoue, M. Obayashi, A. Yamada, H. Shiobara, H. Sugioka, A. Ito, T. Kanazawa, H. Kawakatsu, A. Shito, Y. Fukao, Depths of the 410-km and 660-km discontinuities in and around the stagnant slab beneath the Philippine Sea: Is water stored in the stagnant slab?, Phys. Earth Planet. Inter. 2010, 270-279.
Gao, Y., D. Suetsugu, Y. Fukao, M. Obayashi, Y. Shi, R. Liu, Seismic discontinuities in the mantle transition zone and at the top of the lower mantle beneath eastern China and Korea: Influence of the stagnant Pacific slab, Phys. Earth Planet. Inter., 2010, 288-295.
Sugioka, H., D. Suetsugu, M. Obayashi, Y. Fukao, Y. Gao, Fast P and S wave velocities associated with the “cold” stagnant slab beneath the northern Philippine Sea, Phys. Earth Planet. Inter., 179, 1-6, 2010.
Obana, K., S. Kamiya, S. Kodaira, D. Suetsugu, N. Takahashi, T. Takahashi, Y. Tamura, Along-arc variation in seismic velocity structure related to variable growth of arc crust in northern Izu-Bonin intraoceanic arc, Geochem. Geophys. Geosyst., 11, Q08012, doi:10.1029/2010GC003146- 2010.
Takahashi, T, K. Obana, S. Kodaira, D. Suetsugu, N. Takahashi, S. Kamiya and Y. Tamura, Random inhomogeneities in the northern Izu-Bonin arc estimated by tomographic inversion of peak delay times of S-wave seismograms, J. Geophys. Res., 2010, in press.
Kumar, P., and H. Kawakatsu (2011), Imaging the seismic Lithosphere-Asthenosphere Boundary of the oceanic plate, G-cubed, 12,Q01006, 1-13.
Tanaka, S., Constraints on the core-mantle boundary topography from P4KP-PcP differential travel times, J. Geophys. Res., 115, B04310, DOI:10.1029/2009JB006563.
Sugioka, H., D. Suetsugu, M. Obayashi, Y. Fukao, Y. Gao, Fast P and S wave velocities associated with the “cold” stagnant slab beneath the northern Philippine Sea, Phys. Earth Planet. Inter., 179, 1-6, 2010.
Sugioka, H., Y. Fukao, T. Kanazawa, Evidence for infragravity wave-tide resonance in deep oceans, Nature communications, 1, doi:10.1038/ncomms1083.
Shiobara, H., H. Sugioka, K. Mochizuki, S. Oki, T. Kanazawa, Y. Fukao, K. Suyehiro, Double seismic zone in the North Mariana region revealed by long-term ocean bottom array observation, Geophys. J. Int., DOI: 10.1111/j.1365-246X.2010.04799.x.
Takeo A., K., Idehara R., Iritani, T., Tonegawa, Y., Nagaoka, K., Nishida, H., Kawakatsu, S., Tanaka, K., Miyakawa, T., Iidaka, M., Obayashi, H., Tsuruoka, K., Shiomi, K., Obara, Very broadband analysis of a swarm of very low frequency earthquakes and tremors beneath Kii Peninsula, SW Japan, Geophys. Res. Lett, 37, L06311, doi:10.1029/2010GL042586.
Mibe, K., 他１名,Electrical conductivity of MgCO3 at high pressures and high
temperatures, Physica B,406, 10, 2011,2018-2020
Mibe, K.et al., Slab melting versus slab dehydration in subduction-zone magmatism, Proc. Natl. Acad. Sci. USA, 2011, in press
< Meeting >
Nozomu Takeuchi & Kazushige Obara, Fine-scale heterogeneities of the D" discontinuity and their correlation to volumetric velocity fluctuations, 2010 IRIS Workshop, Snowbird Resort, Jun 9-11, 2010.
Utada, H., H. Shimizu, K. Baba, N. A. Palshin, Sq effect on the regional electromagnetic response functions in the period band between a few hours and one day, AGU Fall Meeting, San Francisco, 2010.
Utada, H., K. Baba and H. Shimizu, Electrical conductivity imaging in the western Pacific subduction zone, EGU General Assembly, Vienna, 2010.
Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, Imaging and Understanding the Electrical Conductivity of Earth's Mantle; Lab Measurements, Regional and Global Studies, and Physical Interpretations, 2010 AGU Fall Meeting
Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, A three-dimensional inversion of marine magnetotelluric data: Extended version of WSINV3DMT, The 20th International Workshop on EM Induction in The Earth
Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, Imaging of continent and ocean using EM induction studies, Japan Geoscience Union Meeting 2010
Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, A three-dimensional inversion of marine magnetotelluric data: Extended version of WSINV3DMT, the 128th Society of Geomagnetism and Earth,Planetary and Space Sciences, 2010.
Obayashi, M., Y. Fukao, J. Yoshimitsu, D. Suetsugu, H. Shiobara, H. Sugioka, A. Ito, T. Isse, A. Shito, H. Kawakatsu, M. Kasahara, M. Ichiyaagi, H. Miyamachi, T. Kanazawa, Y. Gao, Transition from slab stagnation to penetration, JPGU Meeting 2010; International Conference Hall Makuhari Messe, 2010.05.26.
Obayashi, M., G. Nolet, J. Yoshimitsu, D. Suetsugu, H. Shiobara, H. Sugioka, A. Ito, M. Ichiyaagi, T. Kanazawa, Y. Fukao, Finite frequency tomography fort the northwestern Pacific region, ESC 32nd General Assembly; Le Corum, Monpellier, France, 2010.09.09.
Sugioka H., A. Ito, T. Okamoto, T. Nakamura, Y. Ishihara, K. Obana, Y. Fukao, E. Araki, D. Suetsugu, S. Kodaira, M. Kinoshita, Detection of near-source ground motions associated with VLF (very low frequency) earthquakes beneath the forearc slope of the Nankai trough by broadband ocean bottom seismometers, 2010 AGU fall meeting, 2010.12.14.
Suetsugu, D., S. Tanaka, H. Shiobara, H. Sugioka, T. Kanazawa, Y. Fukao, G. Barruol, D. Reymond, Constraints on the Large Low Shear Velocity Province beneath the Pacific Ocean from joint ocean floor and islands broadband seismic experiments in French Polynesia, 2010 AGU Fall Meeting, USA, 2010.12.13.
Tanaka, S., Deep Earth opportunities for EPOBS, Experiments with Portable Ocean Bottom Seismographs (EPOBS), Snowbird, Utah. USA, 2010.09.27.
Tanaka, S., Depth extent of hemispherical difference in equatorial path velocities in the upper inner core, 2010 AGU Fall Meeting, USA, 2010.12.13.
Tanaka,,S., Y. Ishihara, Y. Yuki, N. D. Xuyen, N. Q. Zung, Characteristics of local and distant seismic waveforms observed by the vietnamese ermanent broadband seismic network, ASC 2010, Hanoi, Vietnam, 2010.11.08.
Tanaka, S., Reduction of ocean/seafloor noise, Experiments with Portable Ocean Bottom Seismographs (EPOBS), Snowbird, Utah. USA, 2010.09.27.
Tanaka, S., Seismic models of the core-mantle boundary topography: Comparison and discussion, SEDI 2010, Santa Barbara, California, USA, 2010.7.19.
Tanaka, S., Spatial variations of differential travel times and amplitude ratios between PKP-Cdiff and PKP-DF, SEDI 2010, Santa Barbara, California, USA, 2010.7.19.
Baba, K., H. Utada, and N. Abe (2011), Electrical conductivity of old oceanic mantle beneath the northwestern Pacific revealed from seafloor magnetotelluric observations, EGU General Assembly 2011, (Vienna, Austria), Apr. 03 ? 08 (Apr. 06), EGU2011-5307.
Baba, K., H. Utada, and H. Shimizu (2010), Electrical conductivity at around 400 km depth in the western pacific subduction region, AGU 2010 fall meeting, (San Francisco, USA), Dec. 13 ? 17 (Dec.15), DI31B-06, (invited).
Baba, K., and H. Utada (2010), Electrical conductivity of oceanic lithosphere and asthenosphere: constraints from modern seafloor magnetotelluric data, AGU 2010 fall meeting, (San Francisco, USA), Dec. 13 ? 17 (Dec. 15), DI32A-02.
Baba, K., H. Utada, T. Goto, T. Kasaya, H. Shimizu, and N. Tada (2010), Electrical conductivity imaging of the upper mantle beneath the Philippine Sea and the western margin of the Pacific ocean, 20th International Workshop on Electromagnetic Induction of the Earth (Giza, Egypt), Sept. 18 ? 24 (Sep. 23), oral2.
Baba, K., H. Utada, T. Goto, H. Shimizu, and N. Tada (2010), Electrical conductivity imaging of the upper mantle beneath the Philippine Sea and the western edge of the Pacific Ocean, JpGU Meeting 2010 (Chiba, Japan), May 23 ? 28 (May 26), SEM033-P02.