Publication
42. Kimura, G., K. Shiraishi, Y. Nakamura, S. Kodaira, G. Fujie, R. Arai, G. F. Moore, Frontal Thrust ramp-up and Slow Earthquakes due to Underthrusting of Basement High in the Nankai Trough, Geochemistry, Geophysics, Geosystems, accepted.
41. Arai, R., K. Shiraishi, Y. Nakamura, G. Fujie, S. Miura, S. Kodaira, D. Bassett, T. Takahashi, Y. Kaiho, Y. Hamada, K. Mochizuki, R. Nakata, M. Kinoshita, Y. Hashimoto, K. Okino, Thick slab crust with rough basement weakens interplate coupling in the western Nankai Trough, Earth, Planets and Space, 76, 73, 2024. PDF
40. Gase, A. G., N. L. Bangs, H. J. A. Van Avendonk, D. Bassett, S. Henrys, R. Arai, G. Fujie, P. Barnes, S. Kodaira, D. H. N. Barker, D. Okaya, Volcanic crustal structure of the western Hikurangi Plateau from marine seismic reflection imaging, Geosphere, 20, 935-964, 2024.
39. Furuichi, M., J. Chen, D. Nishiura, R. Arai, Y. Yamamoto, S. Ide, Virtual earthquakes in a numerical granular rock box experiment, Tectonophysics, 874, 230230, 2024.
38. Bassett, D., G. Fujie, S. Kodaira, R. Arai, Y. Yamamoto, S. Henrys, D. Barker, A. Gase, H. van Avendonk, N. Bangs, H. Seebeck, B. Tozer, K. Jacobs, T. Luckie, D. Okaya, K. Mochizuki, Heterogeneous crustal structure of the Hikurangi Plateau revealed by SHIRE seismic data: Origin and implications for plate boundary tectonics, Geophysical Research Letters, 50, e2023GL105674, 2023. PDF
37. Arai, R., S. Miura, Y. Nakamura, G. Fujie, S. Kodaira, Y. Kaiho, K. Mochizuki, R. Nakata, M. Kinoshita, Y. Hashimoto, Y. Hamada, K. Okino, Upper-plate conduits linked to plate boundary that hosts slow earthquakes, Nature Communications, 14, 5101, 2023. PDF Press Release Press Release2 Newspaper
36. Gase, A., N. Bangs, D. Saffer, S. Han, P. Miller, R. Bell, R. Arai, S. Henrys, S. Kodaira, R. Davy, L, Frahm, D. Barker, Subducting volcaniclastic-rich upper crust supplies fluids for shallow megathrust and slow slip, Science Advances, 9, eadh0150, 2023. JAMSTEC BASE web article Article from GNS Science Article from UTIG
35. Furuichi, M., J. Chen, D. Nishiura, R. Arai, Y. Yamamoto, Thrust formation using a numerical granular rock box experiment, Tectonophysics, 862, 229963, 2023.
34. Bangs, N. L., J. K. Morgan, R. E. Bell, S. Han, R. Arai, S. Kodaira, A. C. Gase, X. Wu, R. Davy, L. Frah, H. L. Tilley, D. H. N. Barker, J. H. Edwards, H. J. Tobin, T. J. Reston, S. A. Henrys, G. F. Moore, D. Bassett, R. Kellett, V. Stucker, B. Fry, Slow slip along the Hikurangi margin linked to fluid-rich sediments trailing subducting seamounts, Nature Geoscience, 16, 505-512, 2023. JAMSTEC BASE web article Article from UTIG
33. Tonegawa, T., E. Araki, H. Matsumoto, T. Kimura, K. Obana, G. Fujie, R. Arai, K. Shiraishi, M. Nakano, Y. Nakamura, T. Yokobiki, S. Kodaira, Extraction of P wave from ambient seafloor noise observed by distributed acoustic sensing, Geophysical Research Letters, 49, e2022GL098162, 2022.
32. Bassett, D., A. Arnulf, S. Henrys, D. Barker, H. van Avendonk, N. Bangs, S. Kodaira, H. Seebeck, L. Wallace, A. Gase, T. Luckie, K. Jacobs, B. Tozer, R. Arai, D. Okaya, K. Mochizuki, G. Fujie, Y. Yamamoto, Crustal structure of the Hikurangi margin from SHIRE seismic data and the relationship between forearc structure and shallow megathrust slip behaviour, Geophysical Research Letters, 49, e2021GL096960, 2022.
31. Davy, R., L. Frahm, R. Bell, R. Arai, D. Barker, S. Henrys, N. Bangs, J. Morgan, M. Warner, Generating high-fidelity reflection images directly from full-waveform inversion: Hikurangi Subduction Zone case study, Geophysical Research Letters, 48, e2021GL094981, 2021.
30. Arai, R., Characteristics of seismicity in the southern Okinawa Trough and their relation to back-arc rifting processes, Earth, Planets and Space, 73, 160, 2021. PDF
29. Gase, A., H. J. A. Van Avendonk, N. L. Bangs, D. Bassett, S. A. Henrys, D. H. N. Barker, S. Kodaira, K. M. Jacobs, T. W. Luckie, D. A. Okaya, G. Fujie, Y. Yamamoto, A. F. Arnulf, R. Arai, Crustal structure of the northern Hikurangi margin, New Zealand: Variable accretion and overthrusting plate strength influenced by rough subduction, Journal of Geophysical Research: Solid Earth, 126, e2020JB021176, https://doi.org/10.1029/2020JB021176, 2021.
28. Matsumoto, H., E. Araki, T. Kimura, G. Fujie, K. Shiraishi, T. Tonegawa, K. Obana, R. Arai, Y. Kaiho, Y. Nakamura, T. Yokobiki, S. Kodaira, N. Takahashi, R. Ellwood, V. Yartsev, M. Karrenbach, Detection of hydroacoustic signals on a fiber-optic submarine cable, Scientific Reports, 11, 2797, 2021. PDF
27. Arai, R., S. Kodaira, S. Henrys, N. Bangs, K. Obana, G. Fujie, S. Miura, D. Barker, D. Bassett, R. Bell, K. Mochizuki, R. Kellett, V. Stucker, B. Fry, NZ3D Team, Three-dimensional P-wave velocity structure of the northern Hikurangi margin from the NZ3D experiment: Evidence for fault-bound anisotropy, Journal of Geophysical Research: Solid Earth, 125, e2020JB020433, 2020. PDF. (Editors' Highlights) JAMSTEC BASE web article
26. Sato, T., T. No, R. Arai, S. Miura, S. Kodaira, Transition from continental rift to back-arc basin in the southeastern Japan Sea deduced from seismic velocity structures, Geophysical Journal International, 221, 722-739, 2020.
25. Bell, R. M. Gray, J. Morgan, M. Warner, A. Fagereng, L. McNeill, K. Jacobs, S. A. Henrys, B. Fry, S. Watkins, H. Lacey, J. A. Black, V. Lane, D. Daly, D. Lindsay, N. Bangs, R. Arai, S. Kodaira, NZ3D-FWI Team, New Zealand 3D Full Waveform Inversion (NZ3D-FWI) 2017–2018 Field Acquisition Report, GNS Science Report, 2019/71, 79p, 2019.
24. Mochizuki, K., R. Sutherland, S. Henrys, D. Bassett, H. van Avendonk, R. Arai, S. Kodaira, G. Fujie, Y. Yamamoto, B. Nathan, D. Barker, Recycling of depleted continental mantle by subduction and plumes, Hikurangi Plateau Large Igneous Province, southwest Pacific, Geology, 47, 795–798, 2019.
23. Kellett, R. L., D. Bassett, R. Arai, K. Obana, V. K. Stucker, S. A. Henrys, S. R. Davidson, R. J. Hart, S. Kodaira, T. Maekawa, K. Michailos, S. Mori, G. A. O'Brien, T. Saijo, I. Terada, K. Tsukuda, N. L. Bangs, R. Bell, 2019 TAN1712-1803 voyage report for ocean bottom seismograph recovery in support of seismic surveys (ORCSS 2 and 3): 3D survey offshore East Coast North Island, GNS Science Report 2018/36, 31 p. + appendices; doi: 10.21420/A8MV-S722 , 2019.
22. 新井隆太, 地震波構造探査に基づくプレート境界域の地震学的構造と地殻活動の研究, 地震, 72, 1-16, 2019.
21. No, T., T. Sato, S. Kodaira, R. Arai, S. Miura, Multichannel seismic reflection data from the southern part of the Japan Sea, JAMSTEC-R, 27, 127-141, 2018.
20. Kano, M., N. Aso, T. Matsuzawa, S. Ide, S. Annoura, R. Arai, S. Baba, M. Bostock, K. Chao, K. Heki, S. Itaba, Y. Ito, N. Kamaya, T. Maeda, J. Maury, M. Nakamura, T. Nishimura, K. Obana, K. Ohta, B. Rousset, H. Sugioka, R. Takagi, T. Takahashi, A. Takeo, Y. Tu, N. Uchida, Y. Yamashita, K. Obara, Development of Slow Earthquake Database, Seismological Research Letters, 89, 4, 1566-1575, 2018.
19. Arai, R., S. Kodaira, T. Takahashi, S. Miura, Y. Kaneda, Seismic evidence for arc segmentation, active magmatic intrusions and syn-rift fault system in the northern Ryukyu volcanic arc, Earth, Planets and Space, 70, 61, 2018.
18. Yamamoto, Y., T. Takahashi, Y. Ishihara, Y. Kaiho, R. Arai, K. Obana, A. Nakanishi, S. Miura, S. Kodaira, Y. Kaneda, Modeling the geometry of plate interface and seismic structure in the southern Ryukyu Trench subduction zone, Japan, using amphibious seismic observation, Journal of Geophysical Research: Solid Earth, 123, 1793-1809, 2018.
17. Dunn, R. A., R. Arai, D. E. Eason, J. P. Canales, R. A. Sohn, Three-dimensional seismic structure of the Mid-Atlantic Ridge: An investigation of tectonic, magmatic, and hydrothermal processes in the Rainbow Area, Journal of Geophysical Research: Solid Earth, 122, 9580-9602, 2017.
16. Ohira, A., S. Kodaira, Y. Nakamura, G. Fujie, R. Arai, S. Miura, Evidence for frozen melts in the mid-lithosphere detected from active-source seismic data, Scientific Reports, 7, 15770, 2017.
15. Ohira, A., S. Kodaira, Y. Nakamura, G. Fujie, R. Arai, S. Miura, Structural variation of the oceanic Moho in the Pacific plate revealed by active-source seismic data, Earth and Planetary Science Letters, 476, 111-121, 2017.
14. Arai, R., S. Kodaira, T. Yamada, T. Takahashi, S. Miura, Y. Kaneda, A. Nishizawa, M. Oikawa, Subduction of thick oceanic plateau and high-angle normal-fault earthquakes intersecting the slab, Geophysical Research Letters, 44, 6109-6115, 2017.
13. Canales, J. P., R. A. Dunn, R. Arai, R. A. Sohn, Seismic imaging of magma sills beneath an ultramafic-hosted hydrothermal system, Geology, 45, 451-454, 2017.
12. Arai, R., S. Kodaira, Y. Kaiho, T. Takahashi, S. Miura, Y. Kaneda, Crustal structure of the southern Okinawa Trough: Symmetrical rifting, submarine volcano, and potential mantle accretion in the continental back-arc basin, Journal of Geophysical Research: Solid Earth, 122, 622–641, 2017.
11. Arai, R., T. Takahashi, S. Kodaira, Y. Kaiho, A. Nakanishi, G. Fujie, Y. Nakamura, Y. Yamamoto, Y. Ishihara, S. Miura, Y. Kaneda, Structure of the tsunamigenic plate boundary and low-frequency earthquakes in the southern Ryukyu Trench, Nature Communications, 7, 12255, 2016.
10. Arai, R., and T. Iwasaki, Transition from collision to subduction and its relation to slab seismicity and plate coupling, Earth, Planets and Space, 67, 76, 2015.
9. Yamada, T., Y. Yukutake, T. Terakawa, R. Arai, Migration of earthquakes with a small stress drop in the Tanzawa Mountains, Japan, Earth, Planets and Space, 67, 175, 2015.
8. Iidaka, T., E. Kurashimo, T. Iwasaki, R. Arai, A. Kato, H. Katao, F. Yamazaki, Large heterogeneous structure beneath the Atotsugawa Fault, central Japan, revealed by seismic refraction and reflection experiments, Tectonophysics, 657, 144-154, 2015.
7. Yukutake, Y., R. Honda, M. Harada, R. Arai, M. Matsubara, A magma‐hydrothermal system beneath Hakone volcano, central Japan, revealed by highly resolved velocity structures, Journal of Geophysical Research: Solid Earth, 120, 3293–3308, 2015.
6. Arai, R., and R. A. Dunn, Seismological study of Lau back arc crust: mantle water, magmatic differentiation, and a compositionally zoned basin, Earth and Planetary Science Letters, 390, 304-317, 2014.
5. Arai, R., and T. Iwasaki, Crustal structure in the northwestern part of the Izu collision zone in central Japan, Earth, Planets and Space, 66, 1-12, 2014.
4. Arai, R., T. Iwasaki, H. Sato, S. Abe and N. Hirata, Contrasting subduction structures within the Philippine Sea plate: Hydrous oceanic crust and anhydrous volcanic arc crust, Geochemistry, Geophysics, Geosystems, 15, 1977-1990, 2014.
3. Arai, R., T. Iwasaki, H. Sato, S. Abe and N. Hirata, Crustal structure of the Izu collision zone in central Japan from seismic refraction data, Journal of Geophysical Research: Solid Earth, 118, 6258-6268, 2013.
2. 白石和也, 阿部進, 岩崎貴哉, 斉藤秀雄, 佐藤比呂志, 越谷信, 加藤直子, 新井隆太, 川中卓, 屈折初動走時トモグラフィ解析における初期モデルランダム化による解の信頼性評価, 物理探査, 63(4), 345-356, 2010 (2013年物理探査学会賞受賞).
1. Arai, R., T. Iwasaki, H. Sato, S. Abe and N. Hirata, Collision and subduction structure of the Izu–Bonin arc, central Japan, revealed by refraction/wide-angle reflection analysis, Tectonophysics, 475, 438–453, 2009.
Articles:
3. Arai, R., Estimation of stress state and detailed structure at shallow plate boundary based on 3D seismic data, Impact, 2020, 3, 20-22, 2020.
2. MGL1801 Participants – R. Arai, S. Ball, N. Bangs, D. Barker, J. Edwards, M. Gray, S. Han, H. Leah, T. Reston, H. Tilley, H. Tobin, The NZ3D Experiment - Adding a new dimension for understanding slow slip events, GeoPRISMS Newsletters, 40, 14-15, 2018.
1. Canales, J. P., R. A. Dunn, S. Swift, M. Paulatto, R. Arai, F. Szitkar, G. Horning, M. Fabeta, O. Benazzouz, E. Kakone, H. Griesche, C. McHugh, R. A. Sohn, MARINER: Seismic Investigation of the Rainbow Hydrothermal Field and its Tectono/Magmatic Setting, Mid-Atlantic Ridge 36° 14'N – A Report from RV M.G. Langseth Cruise MGL1305, InterRidge News 2013, 43-46, 2013.
Japanese articles:
5. 新井隆太, 日向灘スロー地震発生域につながる上盤プレート内流体経路の発見, Slow-to-Fast地震学ニュースレター, NL3, 4, 2024.
4. 新井隆太, ゆっくり地震と沈み込む海山 ーニュージーランドでの地震の起こり方は日本と似ている？, JAMSTEC BASE 研究者コラム, 2023.
3. 新井隆太, 琉球海溝におけるプレート沈み込み構造と地震活動, 地震予知連絡会会報, 102, 401-403, 2019.
2. 新井隆太, Marine Science Seminar 地震波を使って海底下を診る, Blue Earth, 29, 4, 30-33, 2017.
1. 新井隆太, ハワイ大ポスドク生活を振り返って, 日本地震学会ニュースレター, 69, 6, 26-27, 2017.