Name: KATO, Aitaro
Position:Assistant Professor
Division/Center: Earthquake Prediction Research Center
Research Area: Seismology, Fracture experiments
URL: http://www.eri.u-tokyo.ac.jp/akato/

Last Update 04/02 2012

Research:



Publications:

Kodaira, S., T. Iidaka, A. Kato, J. O. Park, T. Iwasaki and Y. Kaneda, Structural evidences for a cause of silent slip in the rupture zone of the great Tokai earthquake, central Japan, Science, 304, 1295--1298, 2004.

Kato, A., A. Sakaguchi, S. Yoshida, H. Yamaguchi and Y. Kaneda, Permeability structure around an ancient exhumed subduction-zone fault, Geophys. Res. Lett., 31, L06602, doi:10.1029/2003GL019183, , 2004.

Kato, A., E. Kurashimo, N. Hirata, S. Sakai, T. Iwasaki and T. Kanazawa, Imaging the source region of the 2004 mid-Niigata prefecture earthquake and the evolution of a seismogenic thrust-related fold,, Geophys. Res. Lett., 32, L07307, doi:10.1029/2005GL022366, , 2005.

Kato, A., E. Kurashimo, N. Hirata, T. Iwasaki, and T. Iidaka , Imaging crustal structure around the western segment of the Atotsugawa fault system, central Japan, Geophys. Res. Lett. 33, L09307, doi:10.1029/2006GL025841, , 2006.

Kato, A., S. Sakai, N. Hirata, E. Kurashimo, T. Iidaka, T. Iwasaki, and T. Kanazawa, Imaging the seismic structureand stress field in the source region of the 2004 mid-Niigata prefecture earthquake: Structural zones of weakness and seismogenicstress concentration by ductile flow, J. Geophys. Res. 111, B08308, doi:10.1029/2005JB004016., , 2006.

Kato, A., T. Iidaka, E. Kurashimo, S. Nakagawa, N. Hirata, and T. Iwasaki, Delineation of probable asperities on the Atotsugawa fault, centralJapan, using a dense temporary seismic network, Geophys. Res. Lett., 34, L09318, doi:10.1029/2007GL029604., , 2007.

Kato, A., S. Sakai, T. Iidaka, T. Iwasaki, E. Kurashimo, T. Igarashi, N. Hirata, T. Kanazawa, and Group for the aftershock observations of the 2007 Noto Hanto Earthquak, Three-dimensional velocity structure in the source region of the Noto Hanto Earthquake in 2007 imaged by a dense seismic observation, Earth Planets Space, 60, 105--110, 2008.

Kato, A., S. Sakai, E. Kurashimo, T. Igarashi, T. Iidaka, N. Hirata, T. Iwasaki, T. Kanazawa, and Group for the aftershock observations of the 2007 Niigataken Chuetsu-oki Earthquake, Imaging heterogeneous velocity structures and complex aftershock distributions in the source region of the 2007 Niigataken Chuetsu-oki Earthquake by a dense seismic observation, Earth Planets Space, 60, 1111--1116, 2008.

Kato, A., E. Kurashimo, T. Igarashi, S. Sakai, T. Iidaka, M. Shinohara, T. Kanazawa, T. Yamada, N. Hirata, and T. Iwasaki, Reactivation of ancient rift systems triggers devastating intraplate earthquakes, Geophys. Res. Lett., 36, L05301, doi:10.1029/2008GL036450., , 2009.

Kato, A., T. Miyatake, and N. Hirata, Asperity and Barriers of the 2004 Mid-Niigata Prefecture Earthquake Revealed by Highly Dense Seismic Observations, Bull. Seism. Soc. Am., 100, 1, 298--306, 2010.

Kato, A., T. Iidaka, T. Iwasaki, N. Hirata, and S. Nakagawa, Reactivations of boundary faults within a buried ancient rift system by ductile creeping of weak shear zones in the overpressured lower crust: the 2004 mid-Niigata Prefecture Earthquake, Tectonophysics, 486, 101--107, 2010.

Kato, A., S. Sakai, T. Iidaka, T. Iwasaki and N. Hirata, Non-volcanic seismic swarms triggered by circulating fluids and pressure fluctuations above a solidified diorite intrusion, Geophys. Res. Lett., 37, L15302, doi:10.1029/2010GL043887, , 2010.

Kato, A., T. Iidaka, R. Ikuta, Y. Yoshida, K. Katsumata, T. Iwasaki, S. Sakai, C. Thurber, N. Tsumura, K. Yamaoka, T. Watanabe, T. Kunitomo, F. Yamazaki, M. Okubo, S. Suzuki, N. Hirata , Variations of fluid pressure within the subducting oceanic crust and slow earthquakes, Geophys. Res. Lett., 37, L14310, doi:10.1029/2010GL043723, , 2010.

Kato, A., S. Sakai, T. Iidaka, T. Iwasaki, E. Kurashimo, T. Igarashi, N. Hirata, T. Kanazawa, K. .. Katsumata, H. Takahashi, R. Honda, T. Maeda, M. Ichiyanagi, T. Yamaguchi, M. Kosuga, T. Okada, J. Nakajima, S. Hori, T. Nakayama, A. Hasegawa, T. Kono, S. Suzuki, N. Tsumura, Y. Hiramatsu, K. Sugaya, A. Hayashi, T. Hirose, A. Sawada, K. Tanaka, Y. Yamanaka, H. Nakamichi, T. Okuda, Y. Iio, K. Nishigami, M. Miyazawa, H. Wada, N. Hirano, H. Katao, S. Ohmi, K. Ito, I. Doi, S. Noda, S. Matsumoto, T. Matsushima, A. Saiga, H. Miyamachi, K. Imanishi, T. Takeda, Y. Asano, Y. Yukutake, T. Ueno, T. Maeda, T. Matsuzawa, S. Sekine, M. Matsubara, and K. Obara, Anomalous depth dependency of the stress field in the 2007 Noto Hanto, Japan, earthquake: Potential involvement of a deep fluid reservoir, Geophys. Res. Lett., 38, L06306, doi:10.1029/2010GL046413, , 2011.

Aitaro Kato, Kazushige Obara, Toshihiro Igarashi, Hiroshi Tsuruoka, Shigeki Nakagawa, Naoshi Hirata, Propagation of Slow Slip Leading Up to the 2011Mw 9.0 Tohoku-Oki Earthquake, Science, 335, 6069, 705--708, 2012.