Japanease / English

アウターライズ地震に備える

成果

雑誌論文

Obana, K.; Fujie, G.; Yamamoto, Y.; Kaiho, Y.; Nakamura, Y.; Miura, S. & Kodaira, S., Seismicity
around the trench axis and outer-rise region of the southern Japan Trench, south of the main rupture area of the 2011 Tohoku-oki earthquake, Geophys. J. Int., doi:10.1093/gji/ggab093 (2021)


Kodaira, S., Iinuma, T., & Imai, K. Investigating a tsunamigenic megathrust earthquake in the Japan Trench. Science, 371(6534), (2021)


Baba, T., Chikasada, N., Nakamura, Y. Fujie, G., Obana, K., Miura, S., and Kodaira, S. Deep investigations of outer-rise tsunami characteristics using well-mapped normal faults along the Japan Trench, J. Geophys. Res.: Solid Earth, e2020JB020060. 125, https://doi.org/10.1029/2020JB020060. (2020)


Fujie, G., Kodaira, S., Nakamura, Y., Morgan, J. P., Dannowski, A., Thorwart, M., Grevemeyer, I., Miura, S., Spatial variations of incoming sediments at the northeastern Japan arc and their implications for megathrust earthquakes, Geology, 48(6), doi:10.1130/G46757.1, (2020)


Y. Nakamura, T. Fujiwara, S. Kodaira, S. Miura, K. Obana, Correlation of frontal prism structures and slope failures near the trench axis with shallow megathrust slip at the Japan Trench, Scientific Reports, 10:11607, doi: 10.1038/s41598-020-68449-6 (2020)


Kodaria, S., Fujiwara, T., Fujie, G., Nakamura, Y., and Kanamatsu, T. Large Coseismic Slip to the Trench During the 2011 Tohoku-Oki Earthquake. Ann. Rev. Earth Planet. Sci., 48, 321-343. (2020).


Chikasada, N. (2019), Short-wavelength Tsunami Observation Using Deep Ocean Bottom Pressure Gauges, Proceedings of the Twenty-ninth International Ocean and Polar Engineering Conference, Vol. 3, 3154-3159. (2019)


Obana, K., Fujie, G., Takahashi, T., Yamamoto, Y., Tonegawa, T., Miura, S. & Kodaira, S., Seismic velocity structure and its implications for oceanic mantle hydration in the trench-outer rise of the Japan Trench, Geophys. J. Int., 217, 1629-1642, doi:10.1093/gji/ggz099, (2019)


Fujie, G., Kodaira, S., Kaiho, Y., Yamamoto, Y., Takahashi, T., Miura, S., Yamada, T., Controlling factor of incoming plate hydration at the north-western Pacific margin, Nature Comm., 9(1), doi:10.1038/s41467-018-06320-z (2018)


Obana, K., Nakamura, Y., Fujie, G., Kodaira, S., Kaiho, Y., Yamamoto, Y. & Miura, S., Seismicity in the source areas of the 1896 and 1933 Sanriku earthquakes and implications for large near-trench earthquake faults, Geophys. J. Int., 212, 2061-2072, doi:10.1093/gji/ggx532, (2018)


Ohira, A., Kodaira, S., Fujie, G., No, T., Nakamura, Y., Kaiho, Y., & Miura, S. Seismic Structure of the Oceanic Crust Around Petit‐Spot Volcanoes in the Outer‐Rise Region of the Japan Trench. Geophysical Research Letters, 45(20), 11-123. (2018).


Boston, B., Moore, G.F, Nakamura, Y., Kodaira, S., Forearc slope deformation above the Japan Trench megathrust: Implications for subduction erosion, Earth and Planetary Science Letters, 462, 26-34, doi: 10.1016/j.epsl.2017.01.005, (2017)


S. Kodaira, Y. Nakamura, Y. Yamamoto, K. Obana, G. Fujie, T. No, Y. Kaiho, T. Sato & S. Miura Depth-varying structural characters in the rupture zone of the 2011 Tohoku-oki earthquake. Geosphere, DOI:doi.org/10.1130/GES01489.1, 13 (5): 1408-1424. (2017).


森下 知晃, 藤江 剛, 山野 誠, 中西 正男, 尾鼻 浩一郎, 中村 恭之, 斎藤 実篤, 小平 秀一, 木村 純一, 黒田 潤一郎, 小野 重明, 古い海洋プレートの沈み込み直前での屈曲断層形成に伴う加水作用解明に向けた海洋掘削計画概要, 地学雑誌, Vol. 126, No. 2, p. 247-262, doi:10.5026/jgeography.126.247, (2017)


尾鼻浩一郎・藤江剛, アウターライズ地震学 −海溝海側太平洋プレートの地殻構造と地震活動−, 地学雑誌, 126, 113-123, doi:10.5026/jgeography, (2017)．


Fujie, G., Kodaira, S., Sato, T., Takahashi, T., Along-trench variations in the seismic structure of the incoming Pacific plate at the outer rise of the northern Japan Trench, Geophys. Res. Lett., 43(2), doi:10.1002/2015GL067363, (2016)



学会発表（他58件）

・馬場俊孝，近貞直孝，中村恭之，藤江剛，尾鼻浩一郎，三浦誠一，小平秀一，日本海溝におけるアウターライズ地震津波の数値計算, HDS08-P14，JpGU 2020 (2020)


・馬場俊孝，近貞直孝，中村恭之，藤江剛，尾鼻浩一郎，三浦誠一，小平 秀一，海域調査から作成された断層モデルを用いた1933年昭和三陸地震津波のフォワード計算，日本地震学会2020年度秋季大会，S17-07，(2020)


・Kodaira, S., Nakamura, Y., Fujie, G., Obana, K., No, T., Miura, S. High-angle normal faults of the incoming oceanic plate to the Japan – Kuril subduction zones. 2020 AGU fall meeting (2020).


・Obana, K., Fujie, G., Nakamura, Y., Takahashi, T., Yamamoto, Y., Tonegawa, T., Kaiho, Y., Miura, S., Kodaira, S. Seismicity in the trench-outer rise region along the Japan Trench based on repeated OBS observations: Implications for large outer-rise earthquakes JpGU-AGU Joint Meeting 2020: Virtual, SCG61-06, (2020)


① Baba, T., et al., (2020) Tsunami simulations of the 1933 Showa-Sanriku earthquake using well-mapped normal faults along Japan Trench, AGU fall meeting, T018-0007, 2020.12.


・T. Baba, N. Chikasada, S. Allgeyer, P. Cummins, Dispersive distortion of pulling-dominant tsunamis caused by outer-rises earthquakes and submarine landslides, MODSIM2019, (2019)


・馬場俊孝，近貞直孝，中村恭之，藤江剛，尾鼻浩一郎，三浦誠一，小平秀一，アウターライズ地震津波の津波高予測における計算パラメタの依存性，SCG60-08，JpGU2019，(2019)


・Chikasada, N. and Baba, T., “Real-time Tsunami Forecasting for the Outer-rise Earthquakes Based on Deep Ocean Bottom Pressure Data”, AOGS 2019 IG07-A013 (2019)


・Chikasada, N., “Short-wavelength Tsunami Observation Using Deep Ocean Bottom Pressure Gauges”, The Twenty-ninth International Ocean and Polar Engineering Conference (2019)


・近貞直孝・馬場俊孝，アウターライズ地震による津波の即時予測手法の再検討, 日本地球惑星科学連合2019年大会, H-DS13-08 (2019)


・近貞直孝，OpenTSUNAMI（杞憂プロジェクト）構想，第９回巨大津波災害に関する合同研究集会 (2019)


・Fujie, G., Kodaira, S., Nakamura, Y., Obana, K., Miura, S., Spatial variations in incoming oceanic plate and its implications for subduction zone processes along the Japan Trench, 2019 AGU fall meeting (2019)


・Kodaira, S., Ohira, A., Fujie, G., No, T., Nakamura, Y., Kaiho, Y., Miura, S., Seismic image of the incoming oceanic crust entering the central part of the Japan Trench: structural variation caused by petite-spot, bend fault and seamount. 2019 JpGU (2019)


・Obana, K., Nakamura, Y., Fujie, G., Miura, S., Kodaira, S. Seismicity and seismic velocity structure around the trench axis and outer rise region along the Japan Trench, 2019 GeoPRISMS Synthesis Theoretical and Experimental Institute, A-080, San Antonio, TX, February 27 to March 1, (2019)


・Nakamura, Y., Fujie, G., Kodaira, S., Yamashita, M., Obana, K., Miura, S. (2018) Along-axis variation of the inputs to the Japan Trench subduction zone revealed from seismic imaging, 日本地球惑星科学連合2018年大会, 2018/05/23 (Invited)


・馬場俊孝，近貞直孝，中村恭之，藤江剛，尾鼻浩一郎，三浦誠一，小平秀一，中西健太，アウターライズ地震津波のデータベース構築に向けた津波計算モデルの感度解析，S16-P08，日本地震学会2018年度秋季大会，(2018)


・Fujie, G., Obana, K., Yamamoto, Y., Yamada, T., Isse, T., Kodaira, S., Miura, S., Impact of post-spreading magmatic activities on the seismic structure of the incoming oceanic plate and its potential implication for the subduction zone, 2018 AGU fall meeting (2018)


・Kodaira, S., Fujie, G., Nakamura, Y., Miura, S. Variation of oceanic sediment entering the Japan Trench and its implication for a co-seismic slip reaching the trench axis. 2018 JpGU (2018)


・Kodaira, S., Nakamura, Y., Fujie, G., Obana, K., Miura, S., Fujiwara, T., Seismic Image of the Japan Trench Seismogenic Zone and its Implications for Earthquake Processes Seismix2018　(2018) Invited


・Kodaira, S., Fujie, G., Nakamura, Y, Obana, K., Miura, S., Seismological character of the incoming plate to the Japan Trench and its implication for seismogenic processes EGU (2018)


・Obana, K., Fujie, G., Nakamura, Y., Takahashi, T., Yamamoto, Y., Kaiho, Y., Miura, S., Kodaira, S., Shinohara, M., Intra-plate seismicity and structure heterogeneity of incoming/subducting Pacific plate along the Japan trench based on the ocean bottom seismograph observations, American Geophysical Union, 2018 Fall meeting, Washington DC, T51C-01, (2018)


・Fujie, G., Kodaira, S., Obana, K., Kaiho, Y., Yamamoto, Y., Takahashi, T., and Yamada, T., (2017) Plate bending-related faulting just prior to subduction and subduction zone seismicity in NE Japan,, JpGU 2017, Chiba, Oral (Invited)


・Kodaira, S. What we have learned about subduction zones from marine seismological exploration. Beno Guternberg Lecture, AGU Fall Meeting (2017) (Invited)


・Kodaira, S. Active-source seismic study in subduction zones: A review of JAMSTEC’s seismic studies in the Nankai Trough and the Japan Trench, International conference zooming on subduction zones （2017） Invited


・Nakamura, Y., Fujie, G., Yamaguchi, A., Kodaira, S., Miura, S., Heterogeneous structure of the incoming plate in the Japan Trench, AGU fall meeting 2017, New Orleans (2017)


・Fujie, G., Obana, K., Kaiho, Y., Yamada, T., Kodaira, S., Isse, T., Miura, S., Variation in the nature of incoming oceanic plate along Japan Trench, AGU 2017 fall meeting, (2017)


・Yasuyuki Nakamura, Gou Fujie, Asuka Yamaguchi, Shuichi Kodaira, Seiichi Miura, Heterogeneous structure of the incoming plate in the Japan Trench, AGU fall meeting 2017, New Orleans (2017)


・Obana, K., Fujie, G., Takahashi, T., Tonegawa, T., Yamamoto, Y., Kodaira, S., Shinohara, S., Structure of the incoming/subducting Pacific Plate in the central part of the Japan Trench: Results from repeated ocean bottom seismograph observations, IAG-IASPEI 2017, Kobe, Japan, J08-2-03, (2017)


・Kodaira, S., Fujie, G., Obana, K., Nakamura, Y., Miura, S. Structural variations of input oceanic lithosphere linked with subduction zone behaviors, Goldschmidt conference (2016) Invited


・Gou Fujie, Shuichi Kodaira, Taro Shirai, Annke Dannowski, Martin Thorwart, Ingo Grevemeyer, Jason Morgan, Seiichi Miura, Spatial variations in the nature of the oceanic plate in the northwestern Pacific margin, AGU 2016 fall meeting, (2016)


・Obana, K., Fujie, G., Kodaira, S, Takahashi, T., Yamamoto, Y., Sato, T., Yamashita, M., Kaiho, Y., Nakamura, Y., Miura, S. Seismicity and its relation to the bending-related faults in the incoming Pacific Plate along the Japan Trench, Japan Geoscience Union Meeting 2016, Makuhari, Chiba, Japan, SIT12-02, (2016) (Invited)


・Obana, K., Fujie, G., Nakamura, Y., Kodaira S. Earthquake activity in the Pacific plate near the Japan Trench axis after the 2011 Tohoku-Oki Earthquake, Japan Geoscience Union Meeting, Makuhari, Chiba, Japan, SIT05-12,2015. (2015/) (Invited)