PERSONNEL'S PROFILE
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NAME Masayuki Obayashi
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SPECIALITY Seismology
Personal Web Page

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PUBLICATION LIST
2010
Y. Gao,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., (in press)- 2010.

Daisuke Suetsugu,Toru Inoue,Masayuki Obayashi,Akira Yamada,Hajime Shiobara,Hiroko Sugioka,Aki Ito,Toshihiko Kanazawa,Hitoshi Kawakatsu,Azusa Shito,Yoshio 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., (in press)- 2010.

Takeo A., Idehara K., Iritani R., Tonegawa T., Nagaoka Y., Nishida K., Kawakatsu H.,Tanaka S., Miyakawa K., Iidaka T., Obayashi M., Tsuruoka H., Shiomi K., Obara K., 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- 2010.

Hiroko Sugioka, Daisuke Suetsugu, Masayuki Obayashi, Yoshio Fukao, Yuan 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.

Yasuko Yamagishi, Hiroshi Yanaka, Katsuhiko Suzuki, Seiji Tsuboi, Takehi Isse, Masayuki Obayashi, Hajimu Tamura, Hiromichi Nagao, Visualization of geoscience data on Google Earth: development of a data converter system for seismic tomographic models, Computers & Geosciences, 36, 373-382, doi:10.1016/j.cageo.2009.08.007- 2010.

2009
A. Yamada, D. Zhao, T. Inoue, D. Suetsugu, M. Obayashi, Seismological evidence for compositional variations at the base of the mantle transition zone under Japan Islands, Gondwana Research, 16, 3-4, 482-490, 2009.

Junko Yoshimitsu, Masayuki Obayashi, Yoshio Fukao, Development of the global seismic travel time database at JAMSTEC/IFREE, JAMSTEC Report R&D, Special Issue, 163-172, 2009.

Yuancheng Gung, Ya-Ting Hsu, Ling-Yun Chiao, Masayuki Obayashi, Multiscale waveform tomography with two-step model parameterization, J. Geophys. Res., 114, B11301, doi:10.1029/2008JB006275- 2009.

D. Suetsugu, T. Isse, S. Tanaka, M. Obayashi, H. Shiobara, H. Sugioka, T. Kanazawa, Y. Fukao, G. Barruol, D. Reymond, South Pacific mantle plumes imaged by seismic observation on islands and seafloor, Geochem. Geophys. Geosyst., 10, Q11014, doi:10.1029/2009GC002533- 2009.

Masayuki Obayashi, Junko Yoshimitsu, Yoshio Fukao, Tearing of Stagnant Slab, Science, 324, 5931, 1173-1175, 2009.

Hisashi Utada, Takao Koyama, Masayuki Obayashi, Yoshio Fukao, A joint interpretation of electromagnetic and seismic tomography models suggests the mantle transition zone below Europe is dry, Earth Planet. Sci. Lett., 281, '3-4, 249-257, 2009.

Yoshio Fukao, Masayuki Obayashi, Tomoeki Nakakuki, Deep Slab Project Group(Hisashi Utada, Daisuke Suetsugu, Tetsuo Irifune, Eiji Ohtani, Shoichi Yoshioka, Hajime Shiobara, Toshihiko Kanazawa, Kei Hirose), Stagnant slab: A review, Annu. Rev., Annual Review of Earth and Planetary Sciences, 37, 19-46, 2009.

S. Tanaka, M. Obayashi, D. Suetsugu, H. Shiobara, H. Sugioka, J. Yoshimitsu, T. Kanazawa, Y. Fukao, G. Barruol, P-wave tomography of the mantle beneath the South Pacific Superswell revealed by joint ocean floor and islands broadband seismic experiments, Phys. Earth Planet. Inter., 172, 3/4, 268-277, 2009.

2006
M. Obayashi, H. Sugioka, J. Yoshimitsu, Y. Fukao, High temperature anomalies oceanward of subducting slabs at the 410-km discontinuity, Earth Planet. Sci. Lett., 243, 149-158, 2006.

Daisuke Suetsugu, Toru Inoue, Akira Yamada, Dapeng Zhao, Masayuki Obayashi, Towards mapping the three-dimensional distribution of water in the transition zone from P-velocity tomography and 660-km discontinuity depths, AGU Geophysical Monograph, 12, - 2006.

2005
Fenglin Niu, Alan Levander, Sangwon Ham, Masayuki Obayashi, Mapping the subducting Pacific slab beneath southwest Japan with Hi-net receiver functions, Earth Planet. Sci. Lett., 239, 9-17, 2005.

2004
S. Oki, Y. Fukao, M. Obayashi, Reference frequency of teleseismic body waves, J. Geophys. Res., 109, doi:10.1029/2003JB002821- 2004.

Y. Fukao, T. Koyama, M. Obayashi, H. Utada, Trans-Pacific temperature field in the mantle transition region derived from seismic and electromagnetic tomography, Earth Planet. Sci. Lett., 217, 425-434, 2004.

M. Obayashi, D. Suetsugu, Y. Fukao, PP-P differential traveltime measurement with crustal correction, Geophys. J. Inter., 157, 1152-1162, 2004.

2003
Yoshio Fukao, Akiko To, Masayuki Obayashi, Whole mantle P wave tomography using P and PP-P data, J. Geophys. Res., 108, 14- 2003.

Y. Fukao, A. To, M. Obayashi, Whole mantle P wave tomography using P and PP-P data, J. Geophys. Res., 108, B1, doi:10.1029/2001JB000989- 2003.

2001
Y. Fukao, S. Widiyantoro, M. Obayashi, Stagnant slabs in the upper and lower mantle transition region, Reviews of Geophysics, 39, 3, 291-323, 2001.

1998
F. Tajima, Y. Fukao, M. Obayashi, T. Sakurai, Evaluation of slab images in the northeastern Pacific, Earth Planets Space, 50, 953-964, 1998.

1997
M. Obayashi, Y. Fukao, P and PcP travel time tomography for the core-mantle boundary, J. Geophys. Res., 102, 17825-17841, 1997.

1995
M. Obayashi, T. Sakurai, Y. Fukao, The 3D structure of the mantle from travel time inversion, J. Geography, 104, 934-940, 1995.

1994
Y. Fukao, S. Maruyama, M. Obayashi, H. Inoue, Geologic Implication of the whole mantle P-wae tomography, Jour. Geol. Soc. Japan, 100, 4-23, 1994.

1992
Y. Fukao, M. Obayashi, H. Inoue, M. Nenbai, Subducting slabs stagnant in the mantle transition zone, J. Geophys. Res., 97, B4, 4809-4822, 1992.