1.Name: Shoji SEKIGUCHI

2.Research fields: Seismology

3.List of publications and presentations

(1) Reviewed Papers

• Sekiguchi,S., 1985, The magnitude of driving forces of plate motion, Journal of Physics of the Earth, 33, 369-389.
• Shimada,S., S.Sekiguchi, T.Eguchi, Y.Okada and Y.Fujinawa, 1989, Preliminary results of the observation by fixed-point GPS simultaneous baseline determination network in Kanto-Tokai district, Journal of Geodetic Society of Japan, 35, 85-95.
• Shimada,S, Y.Fujinawa, S.Sekiguchi, S.Ohmi, T.Eguchi and Y.Okada, 1990, Detection of a volcanic fracture opening in Japan using Global Positioning System measurements, Nature, 343, 631-633.
• Sekiguchi,S., 1991, Three-dimensional Q structure beneath the Kanto-Tokai district, Japan, Tectonophysics, 195, 83-104. 　
• Sekiguchi,S. and K.Hirahara, H.Tsuji, A.Sengoku, S.Watada, M.Satomura and S.Shimada, 1991, Simultaneous measurements of site locations by GPS interferometers referred to VLBI and SLR sites in Japan , Journal of Geodetic Society of Japan, 37, 175-186.
• Sekiguchi,S., 1993, Amplitude distribution of seismic waves for laterally heterogeneous structures including a subducting slab, Geophysical Journal International, 111, 448-464.
• Sekiguchi, S.,2000,Three dimensional P and S velocity structures of uppermost mantle beneath Kanto, Tokai and Chubu districts, Japan (in Japanese with English abstract), Zisin,53,137-151.
• Sekiguchi,S., 2001, A new configuration and an aseismic slab of the descending Philippine Sea plate revealed by seismic tomography, Tectonophysics, 341, 19-32.
• Ito,Y., H. Matsubayashi, H. Kimura, T. Matsumoto, Y. Asano, and S. Sekiguchi, 2004, Spatial distribution for moment tensor solutions of the 2003 Tokachi-oki earthquake (Mw = 7.9) and aftershocks, Earth, Planets and Space, 56, 301-306.
• Sekiguchi, S., Y.Iio, S.Ohmi, H.Ito and S.Horiuchi,2004,Three-dimensional velocity structure and the possibility of its time variation at the western Nagano prefecture region using dense seismic network (in Japanese),Zisin,57,55-61.
• Okada,Y., K.Kasahara,S.Hori,K.Obara,S.Sekiguchi,H.Fujiwara,A.Yamamoto, S.Hori,K.Obara,S.Sekiguchi,H.Fujiwara and A.Yamamoto, 2004, Recent progress of seismic observation networks in Japan -Hi-net,F-net,K-NET and KiK-net-, Earth, Planets and Space, 56, xv-xxviii.
• Ito,Y., T.Matsumoto, H. Kimura, H. Matsubayashi, K.Obara, and S. Sekiguchi, 2005, Spatial distribution of centroid moment tensor solutions for the 2004 off Kii peninsula earthquakes, Earth, Planets and Space, 57, 351-356.
• Matsumoto, T., Y.Ito, H.Matsubayashi, and S.Sekiguchi, 2006, Spatial distribution of F-net moment tensors for the 2005West Off Fukuoka Prefecture Earthquake determined by the extended method of the NIED F-net routine, Earth, Planets and Space, 58, 63-67.
• Ito,Y., K. Obara, T.Takeda, K.Shiomi, T.Matsumoto, S.Sekiguchi and S.Hori, 2006, Initial-rupture fault, main-shock fault, and aftershock faults: Fault orientation and bends inferred from centroid moment tensor inversion for the 2005 West Off Fukuoka Prefecture Earthquake , Earth, Planets and Space, 58, 69-74.
• Kawakata, H., H. Ogasawara, S. Sekiguchi, S. Uyama and K. Mino, 2006, Stress change prior to the major events in the 1989 earthquake swarm off the eastern Izu Peninsula, Japan, Earth, Planets and Space, 58, 305-314.
• Sekiguchi,S., 2006, Hierarchical traveltime tomography, Geophysical Journal International, 166, 1105-1124.
• Y. Ito, S.Sekiguchi and T. Okada, R. Honda, K. Obara, S. Hori, 2006, Performance of regional distance centroid moment tensor inversion applied to the 2004 mid-Niigata prefecture earthquake, Japan?, Geophysical Journal International, 167, 1317-1331.
• Watada, Shingo, Kunugi, Takashi and Hirata, Kenji; Sugioka, Hiroko; Nishida, Kiwamu; Sekiguchi, Shoji; Oikawa, Jun; Tsuji, Yoshinobu; Kanamori, Hiroo, 2006, Atmospheric pressure change associated with the 2003 Tokachi-Oki earthquake, Geophysical Research Letters, 33, doi:10.1029/2006GL027967.
• Matsumura,M., Y.Ito, H.Kimura, K.Obara, S.Sekiguchi, S.Hori and K.Kasahara,2006,Development of accurate and quick analysis system for source parameters( AQUA) (in Japanese with English abstract), Zisin,59,167-184.
• Sekiguchi, S.,2008,Simple epicenter determination method by grid search using arrival time order (in Japanse with English abstract),Zisin,61,11-26.

(2) Reports

• Sekiguchi,S., 1988, A new seismic phase from earthquakes beneath the Japan Sea, Generated near the Moho discontinuity, Research Notes of the National Research Center for Disaster Prevention, 78, 1-12.

4.Affiliated societies

• Seismological Society of Japan
• Geodetic Society of Japan
• American Geophysical Union

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2009/07/01 updated