Profile


 

Name      Bunichiro Shibazaki

Speciality    Earthquake Generation Process

Position    Chief Research Seismologist

Contact    1 Tatehara, Tsukuba, Ibaragi, 305-0802, JAPAN

E-mail     bshiba@kenken.go.jp


  • Ph.D. Tokyo University
  • Building Research Institute, 1995 – present

Main Research Topics

  • Nucleation Processes of Earthquakes
  • Modeling of Earthquake Generation Processes
  • Modeling of Slow Slip Evenets
  • Generation Processes of Large Inland Earthquakes

 

Publications

 


Shibazaki, B., Wallace, L. M., Kaneko, Y., Hamling, I., Ito, Y., & Matsuzawa, T. ( 2019). Three‐dimensional modeling of spontaneous and triggered slow‐slip events at the Hikurangi subduction zone, New Zealand. Journal of Geophysical Research: Solid Earth, 124. https://doi.org/10.1029/2019JB018190


Shibazaki, B., Noda, H., & Ikari, M. J. (2019). Quasi-dynamic 3D modeling of the generation and afterslip of a Tohoku-oki earthquake considering thermal pressurization and frictional properties of the shallow plate boundary. Pure and Applied Geophysics, https://doi.org/10.1007/s00024-018-02089-w.


Sasajima, R., Shibazaki, B., Iwamori, H., Nishimura, T., & Nakai, Y. (2019). Mechanism of subsidence of the Northeast Japan forearc during the late period of a gigantic earthquake cycle. Scientific reports, 9(1), 5726. https://doi.org/10.1038/s41598-019-42169-y


Pollitz, F. F., Kobayashi, T., Yarai, H., Shibazaki, B., and Matsumoto, T., Viscoelastic lower crust and mantle relaxation following the 14–16 April 2016 Kumamoto, Japan, earthquake sequence. Geophysical Research Letters, 44(17), 8795-8803, 2017.


Noda, H., Sawai, M., and Shibazaki, B., Earthquake sequence simulations with measured properties for JFAST core samples. Phil. Trans. R. Soc. A, 375(2103), 20160003, 2017.


Moore JD, Yu H, Tang CH Wang T, Barbot S, Peng D, Masuti S, Dauwels J, Hsu YJ, Lambert V, Nanjundiah P, Wei S, Lindsey E, Feng L, and Shibazaki, B., Imaging the distribution of transient viscosity after the 2016 Mw 7.1 Kumamoto earthquake. Science, 356(6334), 163-167, 2017.


Shibazaki, B., Okada, T., Muto, J., Matsumoto, T., Yoshida, T., and Yoshida, K., Heterogeneous stress state of island arc crust in northeastern Japan affected by hot mantle fingers. Journal of Geophysical Research: Solid Earth, 121(4), 3099-3117, 2016.


Muto, J., Shibazaki, B., Iinuma, T., Ito, Y., Ohta, Y., Miura, S., and Nakai, Y., Heterogeneous rheology controlled postseismic deformation of the 2011 Tohoku‐Oki earthquake. Geophysical Research Letters, 43(10), 4971-4978, 2016.


Hirono, T., Tsuda, K., Tanikawa, W., Ampuero, J. P., Shibazaki, B., Kinoshita, M., and Mori, J. J., Near-trench slip potential of megaquakes evaluated from fault properties and conditions. Scientific reports, 6, 28184, 2016.


Li-Fen, Z., Shibazaki, B., Wu-Lin, L., Jing-Gang, L., & Qiu-Liang, W., Controlling factors analysis of dynamic rupture propagation simulation of curved fault based on Boundary integral equation method. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 59(3), 981-991, 2016.


Li, X. F., andB. Shibazaki, 3D modeling of earthquake cycles of the Xianshuihe fault, southwestern China, Journal of Asian Earth Sciences, 96, 205-212, 2014


Shibazaki, B. and H. Noda (2014), What caused the 2011 Tohoku-Oki earthquake? : Effects of dynamic weakening, Journal of Disaster Research, 9, 252-263, 2014.


Iidaka, T., J. Muto, K. Obara, T. Igarashi, and B. Shibazaki, Trench-parallel crustal anisotropy along the trench in the fore-arc region of Japan, Geophys. Res. Lett., 41, 1957–1963, doi:10.1002/2013GL058359, 2014.


Matsuzawa, T., B. Shibazaki, K. Obara, and H. Hirose, Comprehensive model of short- and long-term slow slip events in the Shikoku region of Japan, incorporating a realistic plate configuration, Geophys. Res. Lett., 40, 5125–5130, doi:10.1002/grl.51006, 2013.


Muto, J., B. Shibazaki, Y. Ito, T. Iinuma, M. Ohzono, T. Matsumoto, and T. Okada, Two-dimensional viscosity structure of the northeastern Japan islands arc-trench system, Geophys. Res. Lett., 40, 4604–4608, doi:10.1002/grl.50906, 2013.


Yoshida, T., J.-I. Kimura, R. Yamada, V. Acocella, H. Sato, D. Zhao, J. Nakajima, A. Hasegawa, T. Okada, S. Honda, M. Ishikawa, O. D. A. Prima, T. Kudo,B. Shibazaki, A. Tanaka, and T. Imaizumi (2013), Evolution of late Cenozoic magmatism and the crust-mantle structure in the NE Japan Arc, in Orogenic Andesites and Crustal Growth, edited by A. Gomez-Tuena, S. M. Straub, and G. F. Zellmer, Geological Society, London, Special Publications, 385, doi.org/10.1144/SP385.15


Shibazaki, B., Tectonic loading processes affected by volcanoes for the 2008 Iwate–Miyagi intraplate earthquake in northeastern Japan, Journal of Geodynamics, 66, 114–119, doi:10.1016/j.jog.2013.02.001, 2013.


Shibazaki, B., and A. Kato, Modeling the development of a complex fault configuration in the source region of two destructive intraplate earthquakes in the mid-Niigata region, Tectonophysics, 562–563, 26–33, doi:10.1016/j.tecto.2012.06.046, 2012.


Shibazaki, B., T. Matsuzawa, A. Tsutsumi, K. Ujiie, A. Hasegawa, and Y. Ito, 3D modeling of the cycle of a great Tohoku-oki earthquake, considering frictional behavior at low to high slip velocities, Geophys. Res. Lett., 38, L21305, doi:10.1029/2011GL049308, 2011.


Matsuzawa, T., H. Hirose,B. Shibazaki, and K. Obara , Modeling short- and long-term slow slip events in the seismic cycles of large subduction earthquakes, J. Geophys. Res., 115, B12301, doi:10.1029/2010JB007566, 2010.


Shibazaki, B., S. Bu, T. Matsuzawa, and H. Hirose , Modeling the activity of short-term slow slip events along deep subduction interfaces beneath Shikoku, southwest Japan, J. Geophys. Res., 115, B00A19, doi:10.1029/2008JB006057, 2010.


Shigematsu, N., K. Fujimoto, T. Ohtani, B. Shibazaki, T. Tomita, H. Tanaka, and Y. Miyashita, Localisation of plastic flow in the mid-crust along a crustal-scale fault: Insight from the Hatagawa Fault Zone, NE Japan, Journal of structural geology, 31, 601-614, 2009.


Shibazaki, B., K. Garatani, T. Iwasaki, A. Tanaka, and Y. Iio, Faulting processes controlled by the nonlinear flow in the deeper crust and upper mantle beneath the northeastern Japanese island arc, J. Geophys. Res., 113, B08415, doi:10.1029/2007JB005361, 2008.


Shibazaki, B., Garatani K., H. Okuda,Finite element analysis of crustal deformation in the Ou Backbone Range, northeastern Japan, with non-linear visco-elasticity and plasticity: effects of non-uniform thermal structure, Earth Planets Space, 59, 499-512, 2007.


Shibazaki, B., Nucleation process with dilatant hardening on a fluid-infiltrated strike-slip fault model using a rate- and state-dependent friction law, J. Geophys. Res., 110, B11308, doi:10.1029/2005JB003741., 2005.


Shibazaki, B., N. Shigematsu, H. Tanaka, Modeling slips and nucleation processes at the deeper part of the seismogenic zone, Earth, Planets, and Space, 56, 1087-1093, 2004.


Shibazaki, B., Y. Iio, On the physical mechanism of silent slip events along the deeper part of the seismogenic zone, Geophysical Research Letters, Vol. 30., No.9, p.42-1-P.42-4, 2003.


Tanaka, H., B. Shibazaki, N. Shigematsu, K. Fujimoto, T. Ohtani, Y. Miyashita, T. Tomita, K.Omura, Y. Kobayashi, and J. Kameda, Growth of plastic shear zone and its duration inferred from theoretical consideration and observation of an ancient shear zone in the granitic crust, Earth Planets Space, 54, 1207.1210, 2002.


Shibazaki, B., H. Tanaka, H. Horikawa, and Y. Iio, Modeling slip processes at the deeper part of the seismogenic zone using a constitutive law combining friction and flow laws, Earth, Planets, and Space, 54, 1211-1218, 2002.


Shibazaki, B., Nucleation of large earthquakes determined by the seismic-aseismic boundary: agreement between models and observations, Phys. Earth and Planet. Inter. 134,129-138, 2002.


Shibazaki, B., Y. Yoshida, M. Nakamura, M. Nakamura, and H. Katao,, Rupture nucleations in the 1995 Hyogo-ken Nanbu earthquake and its large aftershocks, Geophys. J. Int., 149, 572-588, 2002.


Iio. Y., S. Ohmi, R. Ikeda, E. Yamamoto, H. Ito, H. Sato, H. Kuwahara, T. Ohminato. B. Shibazaki, and M. Ando, Slow initial phase generated by microearthquakes occurring in the western Nagano prefecture, Japan-the source effect, Geophys. Res. Lett. 26, 1969-1972, 1999.


Shibazaki, B. and M. Matsuura, Transition process from nucleation to high-speed rupture propagation: scaling from stick-slip experiments to natural earthquakes, Geophys. J. Int., 132, 14-30, 1998.


Yoshida, S., K. Koketsu, B. Shibazaki, T. Sagiya, T. Kato, Y. Yoshida, Joint inversion of near- and far-field waveforms and geodetic data for the rupture process of the 1995 Kobe earthquake. J. Phys. Earth 44, 437-454, 1996.


Shibazaki, B., and M. Matsu’ura, Foreshocks and pre-events associated with the nucleation of large earthquakes. Geophys. Res. Lett. 22, 1305-1308, 1995.


Shibazaki, B., and M. Matsu’ura, Spontaneous processes for nucleation, dynamic propagation, and stop of earthquake rupture. Geophys. Res. Lett. 19, 1189-1192, 1992.


Matsu’ura, M., H. Kataoka, and B. Shibazaki, Slip-dependent friction law and nucleation processes in earthquake rupture. Tectonophysic 211, 135-148. 1992.


 

Research List

 


1) Modeling short-term slow slip events and the associated low frequency earthquakesin the deeper parts of the Nankai subductionzone (pdf)