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(21) Yamada, T. (2018),
       Mechanisms and characteristics of earthquakes in the Island of Hawai'i,
       Earthquake Journal, 60:60-63 (Invited) (Contributed paper in Japanese).

(20) Yamada, T. , Y. Saito, Y. Tanioka, and J. Kawahara (2017),
       Spatial pattern in stress drops of moderate-sized earthquakes on the Pacific Plate off
       the south-east of Hokkaido, Japan: Implications for the heterogeneity of frictional properties,
       Progress in Earth and Planetary Science, 4:38, doi:10.1186/s40645-017-0152-7.

(19) Yamada, T. , Y. Yukutake, T. Terakawa, and R. Arai (2015),
       Migration of earthquakes with a small stress drop in the Tanzawa Mountains, Japan,
       Earth Planets Space, 67:175, doi:10.1186/s40623-015-0344-6.

(18) Urano, S., Y. Hiramatsu, T. Yamada , and The Group for the Joint Aftershocks Observations of
       the 2007 Noto Hanto Earthquake (2015),
       Relationship between coseismic slip and static stress drop of similar
       aftershocks of the 2007 Noto Hanto earthquake,
       Earth Planets Space, 67:101, doi:10.1186/s40623-015-0277-0.

(17) Katsumata, K., M. Kosuga, H. Katao, T. Yamada , A. Kato,
       and the Research Group for the Joint Seismic Observations at the Nobi Area (2015),
       Focal mechanisms and stress field in the Nobi fault area, central Japan,
       Earth Planets Space, 67:99, doi:10.1186/s40623-015-0275-2.

(16) Ichiyanagi, M., H. Takahashi, T. Yamaguchi, R. Azuma, T. Yamada , M. Ohzono, A. Shinjo, M. Kasahara, Y. Tanioka (2015),
       Earthquake swarm around Nakagawa town, northern Hokkaido in 2012,
       Geophys. Bull. Hokkaido Univ., 78, 37-51 (Contributed paper in Japanese).

(15) Okada, T., T. Matsuzawa, N. Umino, K. Yoshida, A. Hasegawa, H. Takahashi, T. Yamada , M. Kosuga, T. Takeda, A. Kato,
       T. Igarashi, K. Obara, S. Sakai, A. Saiga, T. Iidaka, T. Iwasaki, N. Hirata, N. Tsumura, Y. Yamanaka, T. Terakawa,
       H. Nakamichi, T. Okuda, S. Horikawa, H. Katao, T. Miura, A. Kubo, T. Matsushima, K. Goto, and H. Miyamachi (2014),
       Hypocenter migration and crustal seismic velocity distribution observed for the inland earthquake swarms
       induced by the 2011 Tohoku-Oki earthquake in NE Japan: implications for crustal fluid distribution and crustal permeability,
       Geofluids, 15, 293--309, doi: 10.1111/gfl.12112.

(14) Yamada, T. (2014),
       Significance of the study of microearthquakes and initial rupture of earthquakes:
       Contributions of borehole seismograms to the earthquake seismology,
       Chikyu Monthly, 36, 152-159 (Contributed paper in Japanese).

(13) Ichiyanagi, M., T. Yamaguchi, M. Takada, R. Azuma, K. Kuroi, T. Yamada , H. Takahashi, and T. Maeda (2013),
       Seismic activity associated with the 2010 M4.6 Sapporo Earthquake in central
       Ishikari region, Hokkaido,
       Geophys. Bull. Hokkaido Univ., 76, 1-13 (Contributed paper in Japanese).

(12) Kakinami, Y., M. Kamogawa, S. Watanabe, M. Odaka, T. Mogi, J. Liu, Y.-Y. Sun, and T. Yamada (2013),
       Ionospheric ripples excited by superimposed wave fronts associated with
       Rayleigh wave in thermosphere,
       J. Geophys. Res., 118, 1-7, 2012JA018219, doi:10.1002/jgra.50099.

(11) Kato, A., T. Igarashi, K. Obara, S. Sakai, T. Takeda, A. Saiga, [17 coauthors], H. Takahashi, and T. Yamada
       (25 authors in total) (2013),
       Imaging the source regions of normal faulting sequences induced by the 2011 M9.0 Tohoku-Oki earthquake,
       Geophys. Res. Lett., doi:10.1002/grl.50104.

(10) Azuma, R., Y. Murai, K. Katsumata, Y. Nishimura, T. Yamada, K. Mochizuki, and M. Shinohara (2012),
       Was the 1952 Tokachi-oki earthquake (Mw = 8.1) a typical underthrust earthquake?:
       Plate interface reflectivity measurement by an airgun-ocean bottom seismometer
       experiment in the Kuril Trench,
       Geochem. Geophys. Geosyst., 13, Q08015, doi:10.1029/2012GC004135.

(9) Yamada, T., P. G. Okubo, and C. J. Wolfe (2010),
       Kiholo Bay, Hawai`i, earthquake sequence of 2006: Relationship of the main shock
       slip with locations and source parameters of aftershocks,
       J. Geophys. Res., 115, B08304, doi:10.1029/2009JB006657.

(8) Yamada, T., and S. Ide (2008),
       Limitation of the Predominant-Period Estimator for Earthquake Early Warning and
       the Initial Rupture of Earthquakes,
       Bull. Seismol. Soc. Am., 98, 2739-2745, doi:10.1785/0120080144.

(7) Yamada, T., J. J. Mori, S. Ide, R. E. Abercrombie, H. Kawakata, M. Nakatani, Y. Iio, and H. Ogasawara (2007),
       Stress drops and radiated seismic energies of microearthquakes in a South African gold mine,
       J. Geophys. Res., 112, B03305, doi:10.1029/2006JB004553.

(6) Ogasawara, H., J. Takeuchi, K. Morishita, N. Shimoda, M. Nakatani, A. Kato, Y. Iio, H. Kawakata,
     T. Yamada, T. Yamauchi, H. Ishii, T. Satoh, K. Kusunose, K. Otsuki, S. Kita, S. Nakao,
     A. K. Ward, R. McGill, S. K. Murphy, A. J. Mendecki, G. van Aswegen,
     and The Research Group for Semi-controlled Earthquake-generation Experiments in
     South African deep gold mines (SeeSA) (2005),
       Multidisciplinary monitoring of the entire life span of an earthquake
       and its practical strategy in South African gold mines,
       in Proceedings of the 6th International Symposium on Rockburst
       and Seismicity in Mines,
       ed. by Y. Potvin and M. Hudyma, Australian Centre for Geomechanics, Nedlands, 393-398.

(5) Yamada, T., J. J. Mori, S. Ide, H. Kawakata, Y. Iio, and H. Ogasawara (2005),
       Radiation efficiency and apparent stress of small earthquakes in a South African gold mine,
       J. Geophys. Res., 110, B01305, doi:10.1029/2004JB003221.

(4) Yamada, T., M. Ando, K. Tadokoro, K. Sato, T. Okuda, and K. Oike (2002),
       Error evaluation in acoustic positioning of a single transponder for seafloor
       crustal deformation measurements,
       Earth Planets Space, 54, 871-881, doi:10.1186/BF03352435.

(3) Colombo, O. L., A. G. Evans, M. Ando, K. Tadokoro, K. Sato, and T. Yamada (2001),
       Speeding up the estimation of floated ambiguities for sub-decimeter kinematic positioning at sea,
       in Proceedings of ION GPS-2001, Salt Lake City, Utah.

(2) Tadokoro, K., M. Ando, K. Sato, T. Yamada, T. Okuda, H. Katao, and K. Kishimoto (2001),
       Preparations for the Coming Large Earthquakes at the Nankai Trough: Development of
       an Observation System for Ocean Bottom Crustal Deformation Using an Acoustic Ranging-
       GPS Link (in Japanese with English abstract),
       J. Geography, 110, 521-528.

(1) Yamada, T., M. Ando, and H. Katao (2001),
       Rapid changes of the aftershock P axes 3 years after the 1995 Hyogo-ken Nanbu
       (Kobe) earthquake,
       Geophys. Res. Lett., 28, 37-40.