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J-GLOBAL ID：201001075851146414   Update date: Mar. 10, 2024

RYOYA IKUTA

イクタ リョウヤ | RYOYA IKUTA
Affiliation and department：
Shizuoka University Faculty of Science - Department of Geosciences

About Shizuoka University Faculty of Science - Department of Geosciences


Job title： Associate Professor
Research field  (1)： Solid earth science
Research keywords  (6)： Mega-thrust earthquakes ,  Geodesy ,  Earthquakes ,  Plate boundary ,  Accurately controlled routinely operated seismic source system ,  GPS
Research theme for competitive and other funds  (9)：
  • 2022 - 2026 海底地殻変動観測による宮古・八重山諸島南方沖でのプレート間固着の推定
  • 2022 - 2025 地下水が地震波速度に与える影響を制御震源と地震計アレイ観測を組み合わせて解明する
  • 2021 - 2024 化石複眼の構造-視覚機能の成熟プロセスの解明:視覚特性の進化多様性
  • 2017 - 2020 Seafloor geodetic measurements and modeling of the subduction processes along the southernmost Ryukyu trench
  • 2014 - 2017 An observational investigation of plate coupling in the 1771 Yaeyama earthquake source area
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Papers (35)：
  • Chen, H-Y, Y-J. Hsu, R. Ikuta, H. Tung, C-H. Tang, C-S. Ku, H-H. Su, P-R. Jian, M. Ando, T. Tsujii. Strain partitioning in the southern Ryukyu margin revealed by seafloor geodetic and seismological observations. Geophysical Research Letters. 2022
  • Ikuta, R, R. Oba. How credible are earthquake predictions that are based on TEC variations?. Journal of Geophysical Research: Space Physics. 2022. 127
  • Tsuji, S, Yamaoka, K, Ikuta, R. Temporal change in seismic wave attenuation using highly stable vibration sources. Earth, Planets and Space. 2022. 74. 15
  • 責任著者, Ikuta Ryoya, 共著者]R. Ohba, D. Kiguchi, T. Hisada. Reanalysis of the ionospheric total electron content anomalies around the 2011 Tohoku-Oki and 2016 Kumamoto earthquakes: Lack of a clear precursor of large earthquakes. Journal of Geophysical Research: Space Physics. 2021. 127. e2021JA029376
  • Chen H-Y, 責任著者]R. Ikuta, 共著者]Y-J. Hsu, T. Tsujii, M. Ando, Y. Tu, T. Kohmi, K. Takemoto, K. Mizuno, T. Hsin, et al. Decade of Global Navigation Satellite System/Acoustic Measurements of Back-Arc Spreading in the Southwestern Okinawa Trough. Frontiers in Earth Science. 2021. 9. 601138
ｍore...
MISC (16)：
  • 馮 晨, 山岡 耕春, 生田 領野, 辻 修平, 渡辺 俊樹, 小池 遥之, 大庭 拓武. 微動信号の時間変化検出に向けた表面波モニタリング-Surface wave monitoring for detection of temporal variation in microtremor signal. 公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference. 2022. 147. 144-147
  • Maeda Yuta, Yamaoka Koshun, Miyamachi Hiroki, Watanabe Toshiki, Kunitomo Takahiro, Ikuta Ryoya. A3-10 A transfer function change detected by ACROSS before and after eruptions at Sakurajima volcano. Programme and abstracts the Volcanological Society of Japan. 2014. 2014. 50-50
  • TAKAOKA Hiroyuki, TSUMURA Noriko, TAKAHASHI Fukusuke, NOZAKI Kenji, KATO Aitaro, IIDAKA Takashi, IWASAKI Takaya, SAKAI Shin'ichi, HIRATA Naoshi, IKUTA Ryoya, et al. Three-dimensional Attenuation Structure beneath the Tokai Region, Central Japan Derived Using Local Earthquake Spectra. 2012. 65. 2. 175-187
  • YAMAZAKI Kenji, WATANABE Toshiki, YAMAOKA Koshun, IKUTA Ryoya, KUNITOMO Takahiro, YOSHIDA Yasuhiro, KATSUMATA Akio, YAMANAKA Yoshiko, NAKAMICHI Haruhisa, HORIKAWA Shinichiro. ACROSS signal analysis from Toki, Morimachi and Toyohashi sources using continuous seismic records observed at Horai seismic array. 2010. 122. 115-118
  • Masayuki SAEKI, Koshun Yamaoka, Ryoya Ikuta. Development of Simulation Algorithm for Analyzing Temporal Stability of ACROSS Seismic Source. Active Geophysical Monitoring, Handbook of Geophysical Exploration. 2010. 40. 259-277
ｍore...
Books (3)：
  • DORAEMON TANKYU WORLD
    Shogakukan 2020
  • Science of Large-scale Natural Disasters in Shizuoka
    The Shizuoka Shimbun 2020
  • Seismogenic Process Monitoring: Experimental and Mining Seismology
    Balkema 2002
Lectures and oral presentations  (2)：
  • 長田生涯学習センター 講演会
    (「駿河湾をもっと知ろう」 2017)
  • 第24回海洋教育フォーラム
    (「駿河湾のふか~い話 ~深海をのぞいてみよう~」 2016)
Education (6)：
  • - 2004 Nagoya University
  • - 2004 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences
  • - 2001 Nagoya University
  • - 2001 Nagoya University Graduate School, Division of Natural Science Department of Earth and Planetary Science
  • - 1999 Osaka University School of Science
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Professional career (1)：
  • 理学 (名古屋大学)
Committee career (3)：
  • 2014/04 - 現在 日本地震学会 広報委員会
  • 2012/04 - 現在 日本地震学会 代議員
  • 2014/04 - 2016/03 日本地震学会 広報紙編集長
Awards (1)：
  • 2014/04 - 公益社団法人日本地震学会 日本地震学会論文賞 東海地域下の三次元地震波減衰構造-微小地震スペクトルを用いた推定-
Association Membership(s) (3)：
American Geophysical Union ,  Seismological Society of Japan ,  Japan GeoScience Union
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