Strong motions, Earthquake source process, Application of machine learning to seismology
Papers (peer reviewed)
Kubo, H., and T. Nishikawa (2020) Relationship of preseismic, coseismic, and postseismic fault ruptures of two large interplate aftershocks of the 2011 Tohoku earthquake with slow-earthquake activity, Scientific Reports, in press.
Kubo, H., T. Kunugi, W. Suzuki, S. Suzuki, and S. Aoi (2020) Hybrid predictor for ground-motion intensity with machine learning and conventional ground motion prediction equation, Scientific Reports, in press.
Kubo, H., T. Nakamura, W. Suzuki, Y. P. Dhakal, T. Kimura, T. Kunugi, N. Takahashi, and S. Aoi (2019) Ground-motion characteristics and nonlinear soil response observed by DONET1 seafloor observation network during the 2016 southeast off-Mie, Japan, earthquake, Bull. Seismol. Soc. Am.. 109, 3, 976-986. https://doi.org/10.1785/0120170296
Takemura, S., H. Kubo, T. Tonegawa, T. Saito, and K. Shiomi (2018) Modeling of long-period ground motions in the Nankai subduction zone: Model simulation using the accretionary prism derived from oceanfloor local S-wave velocity structures, Pure Appl. Geophys., 176, 627-647. https://doi.org/10.1007/s00024-018-2013-8
Kubo, H., T. Nakamura, W. Suzuki, T. Kimura, T. Kunugi, N. Takahashi, and S. Aoi (2018) Site amplification characteristics at Nankai seafloor observation network, DONET1, Japan, evaluated using spectral inversion, Bull. Seismol. Soc. Am., 108, 3A, 1210-1218. https://doi.org/10.1785/0120170254
Takemura, S., T. Kimura, T. Saito, H. Kubo, and K. Shiomi (2018) Moment tensor inversion of the 2016 southeast offshore Mie earthquake in the Tonankai region using a three-dimensional velocity structure model: effects of the accretionary prism and subducting oceanic plate, Earth Planets Space, 70, 50. https://doi.org/10.1186/s40623-018-0819-3
Urata, Y., K. Yoshida, E. Fukuyama, and H. Kubo (2017) 3-D dynamic rupture simulations of the 2016 Kumamoto, Japan, earthquake, Earth Planets Space, 69, 150 (2018 Research Paper Award of the Seismological Society of Japan). https://doi.org/10.1186/s40623-017-0733-0
Kubo, H., W. Suzuki, T. Kunugi, and S. Aoi (2017) Attenuation Relationship Characteristics of Ground Motions for Deep-focus Earthquakes around the Ogasawara Islands, Japan, Journal of Japan Association for Earthquake Engineering, 17, 4, 13-29 (in Japanese with English abstract). https://doi.org/10.5610/jaee.17.4_13
Suzuki, W., S. Aoi, T. Kunugi, H. Kubo, N. Morikawa, H. Nakamura, T. Kimura, and H. Fujiwara (2017) Strong motions observed by K-NET and KiK-net during the 2016 Kumamoto earthquake sequence, Earth Planets Space, 69, 19. https://doi.org/10.1186/s40623-017-0604-8
Dhakal, Y. P., H. Kubo, W. Suzuki, T. Kunugi, S. Aoi, and H. Fujiwara (2016) Analysis of strong ground motions and site effects at Kantipath, Kathmandu, from 2015 Mw 7.8 Gorkha, Nepal, earthquake and its aftershocks, Earth Planets Space, 68, 58. https://doi.org/10.1186/s40623-016-0432-2
Kubo, H., Y. P. Dhakal, W. Suzuki, T. Kunugi, S. Aoi, and H. Fujiwara (2016) Estimation of source process of the 2015 Gorkha, Nepal, earthquake and simulation of long-period ground motions in Kathmandu basin using a one-dimensional basin structure model, Earth Planets Space, 68, 16. https://doi.org/10.1186/s40623-016-0393-5
Kubo, H., K. Asano, T. Iwata, and S. Aoi (2016) Development of fully Bayesian multiple-time-window source inversion, Geophysical Journal International, 204(3), 1601-1609. https://doi.org/10.1093/gji/ggv540
Tanaka, M., K. Asano, T. Iwata, and H. Kubo (2014) Source rupture process of the 2011 Fukushima-ken Hamadori earthquake: how did the two subparallel faults rupture?, Earth Planets Space, 66, 101 (2016 Research Paper Award of the Seismological Society of Japan). https://doi.org/10.1186/1880-5981-66-101
Kubo, H., K. Asano, and T. Iwata (2013) Source-Rupture Process of the 2011 Ibaraki-oki, Japan, Earthquake (Mw 7.9) Estimated from the Joint Inversion of Strong-Motion and GPS Data: Relationship with Seamount and Philippine Sea Plate, Geophys. Res. Lett., 40, 3003-3007. https://doi.org/10.1002/grl.50558
Kubo, H., and Y. Kakehi (2013) Source process of the 2011 Tohoku earthquake estimated from the joint inversion of teleseismic body waves and geodetic data including seafloor observation data: source model with enhanced reliability by using objectively determined inversion settings, Bull. Seismol. Soc. Am., 103, 1195-1220. https://doi.org/10.1785/0120120113
Kubo, H., T. Kunugi, W. Suzuki, T. Kimura, and S. Aoi (2020), Construction of explainable random forest predictor for ground-motion intensity, JSAI2020, 4Rin1-94, Online (Kumamoto).
Kubo, H., T. Kunugi, S. Suzuki, W. Suzuki, and S. Aoi (2019), Attempt to reduce the effect of biased data-set on ground-motion prediction using machine learning, JSAI2019, 4K2-J-13-02, Niigata.
Kubo, H., T. Kunugi, S. Suzuki, W. Suzuki, and S. Aoi (2018), Construction of ground motion prediction equation using random forest, JSAI2018, 4Pin1-35, Kagoshima.
Kubo, H., W. Suzuki, T. Kunugi, and S. Aoi (2017), An attenuation relationship for deep-focus earthquakes around the Ogasawara Islands, Japan, Proc. 16th World Conf. Earthq. Eng., Santiago, Chile, paper no. 1119.
Iwata, T., H. Kubo, K. Asano, K. Sato, and S. Aoi (2016), Long-period ground motion characteristcs and simulation in the Osaka basin duitng the 2011 great Tohoku earthquake, Proc. 5th IASPEI/IAEE Int. Symp. on the Effects of Surface Geology on Seismic Motion, Taipei, Taiwan, paper no. I101A.
Recent presentations at the international meeting
Kubo, H., W. Suzuki, and A. Noda (2019), Application of trans-dimensional inversion to source-process estimation using geodetic data, 2019 AGU Fall Meeting, S31D-0546, San Francisco.
Kubo, H., T. Nakamura, W. Suzuki, T. Kimura, T. Kunugi, N. Takahashi, and S. Aoi (2017), Site amplification at Nankai seafloor observation network DONET1 in Japan evaluated by spectral inversion, IAG-IASPEI 2017, J07, Kobe.
Kubo, H., W. Suzuki, S. Aoi, and H. Sekiguchi (2016), Estimation of source processes of the 2016 Kumamoto earthquakes from strong motion waveforms, 2016 AGU Fall Meeting, S53B-2863, San Francisco.
S. Aoi, T. Kunugi, W. Suzuki, H. Kubo, N. Morikawa, and H. Fujiwara (2016), Strong ground motion of the 2016 Kumamoto earthquake, 2016 AGU Fall Meeting, S52C-02, San Francisco.
Kubo, H., T. Iwata, K. Asano, and S. Aoi (2015), Period-dependent seismic radiation for the 2011 Tohoku-oki earthquake estimated by multiple-period-band source modelling, The 26th General Assembly of IUGG, S05p-373.