研究成果

投稿済み・査読中の論文

No. 著者 タイトル 投稿先 リンク等
1 Shunsuke Takemura, Tatsuya Kubota, and Osamu Sandanbata Successive tsunamigenic events near the Sofu Seamount inferred from high-frequency teleseismic P and regional T waves (submitted) JGR: Solid Earth  
2 Osamu Sandanbata and Tatsuhiko Saito Segmented trapdoor fault in Kita-Ioto Caldera, Japan: Insights from milli-meter tsunami waves captured by an array network of ocean bottom pressure gauges (submitted) JGR: Solid Earth プレプリント


査読付き論文

No. 著者 タイトル 雑誌 ページ 出版年 リンク等
17 Tatsuya Kubota, Osamu Sandanbata, Tatsuhiko Saito, and Takanori Matsuzawa Accelerating Seafloor Uplift of Submarine Caldera Near Sofugan Volcano, Japan, Resolved by Distant Tsunami Recordings GRL 51 e2024-GL108415 2024 GRL (Open access), 久保田さんのHP
16 Osamu Sandanbata, Kenji Satake, Shunsuke Takemura, Shingo Watada, Takuto Maeda, and Tatsuya Kubota Enigmatic Tsunami Waves Amplified by Repetitive Source Events Near Sofugan Volcano, Japan GRL 51(2) e2023-GL106949 2024 GRL (Open Access), プレスリリース
15 Osamu Sandanbata, Tatsuhiko Saito Quantifying magma overpressure beneath a submarine caldera: A mechanical modeling approach to tsunamigenic trapdoor faulting near Kita-Ioto Island, Japan JGR: Solid Earth 129 e2023-JB027917 2024 JGR:Solid Earth (Open Access)
14 Osamu Sandanbata, Shingo Watada, Kenji Satake, Hiroo Kanamori, and Luis Rivera. Two volcanic tsunami events caused by trapdoor faulting at a submerged caldera near Curtis and Cheeseman Islands in the Kermadec Arc Geophysical Research Letters 50(7) e2022GL-101086 2023 GRL (Open Access)
13 Osamu Sandanbata, Shingo Watada, Kenji Satake, Hiroo Kanamori, Luis Rivera, and Zhongwen Zhan. Sub-decadal Volcanic Tsunamis Due to Submarine Trapdoor Faulting at Sumisu Caldera in the Izu-Bonin Arc  JGR: Solid Earth 127(9) e2022JB-024213 2022 JGR:Solid Earth (Open Access)
12 Hisahiko Kubo, Tatsuya Kubota, Wataru Suzuki, Shin Aoi, Osamu Sandanbata, Naotaka Chikasada, and Hideki Ueda. Ocean-wave phenomenon around Japan due to the 2022 Tonga eruption observed by the wide and dense ocean-bottom pressure gauge networks  Earth Planets Space 74 104 2022 EPS
11 Tatsuya Kubota, Tatsuhiko Saito, Naotaka Y. Chikasada, and Osamu Sandanbata. Meteotsunami observed by the deep-ocean seafloor pressure gauge network off northeastern Japan  Geophysical Research Letters 48(21) e2021GL-094255 2021 GRL,
プレプリント
10 Voon Hui Lai, Zhongwen Zhan, Quentin Brissaud, Osamu Sandanbata, and Meghan Samantha Miller. Inflation and Asymmetric Collapse at Kilauea Summit during the 2018 Eruption from Seismic and Infrasound Analyses Journal of Geophysical Research - Solid Earth 126(10) e2021JB-022139 2021 JGR-Solid Earth,
プレプリント
9 Osamu Sandanbata, Hiroo Kanamori, Luis Rivera, Zhongwen Zhan, Shingo Watada, and Kenji Satake. Moment tensors of ring-faulting at active volcanoes: Insights into vertical-CLVD earthquakes at the Sierra Negra caldera, Galápagos Islands Journal of Geophysical Research - Solid Earth 126(6) e2021JB-021693 2021 JGR-Solid Earth,
Preprint
8 Osamu Sandanbata, Shingo Watada, Tung-Cheng Ho, and Kenji Satake. Phase delay of short-period tsunamis in the density-stratified compressible ocean over the elastic Earth Geophysical Journal International 226(3) 1975–1985 2021 GJI
7 Tatsuhiko Saito, Tatsuya Kubota, Naotaka Yamamoto Chikasada, Yuusuke Tanaka, and Osamu Sandanbata. Meteorological tsunami generation due to sea-surface pressure change: Three-dimensional theory and synthetics of ocean-bottom pressure change Journal of Geophysical Research - Oceans 126(5) e2020JC-017011 2021 JGR-Ocean,
Preprint
6 Mohammad Heidarzadeh, Takeo Ishibe, Osamu Sandanbata, Abdul Muhari, and Antonius B. Wijanarto. Numerical modeling of the subaerial landslide source of the 22 December 2018 Anak Krakatoa volcanic tsunami, Indonesia Ocean Engineering 195 106733 2020 Ocean Engineering (open access)
5 Yuchen Wang, Kenij Satake, Osamu Sandanbata, Takuto Maeda, and Hengyi Su. Tsunami data assimilation of cabled ocean bottom pressure records for the 2015 torishima volcanic tsunami earthquake Journal of Geophysical Research: Solid Earth 124(10) 10413-10422 2019 JGR:Solid Earth
4 三反畑修, 塩原肇, 楠本聡, HyeJeong Kim, 大峡充己, Qi Liu, 上田拓, 小川諄, 高野和俊, 壽一哲, Yuchen Wang. 津波実験水槽におけるミニチュア津波観測装置の設置 東京大学地震研究所技術研究報告 24 29-34 2018 地震研技報 (open access)
3 Osamu Sandanbata, Shingo Watada, Kenji Satake, Yoshio Fukao, Hiroko Sugioka, Aki Ito, and Hajime Shiobara. Ray Tracing for Dispersive Tsunamis and Source Amplitude Estimation Based on Green’s Law: Application to the 2015 Volcanic Tsunami Earthquake Near Torishima, South of Japan Pure and Applied Geophysics 175 1371–1385 2018 Pageoph
2 Yoshio Fukao, Osamu Sandanbata, Hiroko Sugioka, Aki Ito, Hajime Shiobara, Shingo Watada, and Kenji Satake. Mechanism of the 2018 volcanic tsunami earthquake near Torishima, Japan Science advances 4(4) eaao0219 2018 Science Advances (open access)
1 Osamu Sandanbata, Kazushige Obara, Takuto Maeda, Ryota Takagi, and Kenji Satake. Sudden changes in the amplitude‐frequency distribution of long‐period tremors at Aso volcano, southwest Japan Geophysical Research Letters 42(23) 10-256 2015 GRL


招待講演

No. Author(s) Title Meeting Location Year File(s)
5 Sandanbata, O. Trapdoor faulting at submarine calderas in Japan and New Zealand: Its potential for volcanic tsunami generation ECR Plenary Speakers, IAVCEI 2023 Rotorua, New Zealand Jan. 2023 URL
4 Sandanbata, O. Unusual volcanic tsunamis caused by trapdoor faulting at submarine calderas Brown Bag Seminar, Seismological Laboratory, California Institute of Technology, US Caltech Seismo Lab April 2022  
3 Sandanbata, O. Unusual volcanic tsunamis caused by trapdoor faulting at submarine calderas Bullard Laboratories Seminar, the University of Cambridge, UK Online March 2022  
2 Sandanbata, O. Investigations of ring-faulting at active calderas: Case studies at Sierra Negra caldera in Galápagos, and Smith caldera in Japan Volcano Group Meeting, University of Leeds, UK Online April 2021  
1 Sandanbata, O. Abnormal tsunamis caused by trapdoor faulting repeating at submarine volcanic calderas Geophysics Seminar, Stanford University, US Online April 2021  


国際学会

No. 著者 タイトル 学会名 番号 場所 資料
16 Sandanbata and Saito. Detecting Small Volcanic Tsunami Signals from Kita-Ioto Caldera Using Dense DONET Ocean-Bottom Pressure Records AGU 2023 Fall Meeting V11E-09 eLightning Poster Dec. 2023 PDF
15 Sandanbata, Watada, Satake, Kanamori, Rivera, and Zhan. Sub-decadal volcanic tsunamis due to submarine trapdoor faulting at Sumisu caldera in the Izu-Bonin arc IAVCEI 2023 Scientific Assembly 748 Rotorua, New Zealand Jan.–Feb. 2023 -
14 Sandanbata and Saito. Trapdoor faulting at Kita-Ioto Caldera, Japan: Quantification of magma overpressure beneath a submarine caldera AGU 2022 Fall Meeting V11B-01 Chicago, US & Online Dec. 2022 PDF/ YouTube
13 Sandanbata, Kanamori, Rivera, Zhan, Watada, Satake, and Lai. Teleseismic moment tensor inversion for ring-faulting at active calderas: Case studies at Sierra Negra in the Galápagos Islands and Kilauea in Hawaii AGU 2021 Fall Meeting V25D-0155 Online Dec. 2021 PDF/ YouTube
12 Sandanbata, Watada, Satake, Kanamori, Rivera, and Zhan. Unexpectedly large tsunamis generated by submarine volcanic earthquakes: Evidence of trapdoor faulting at a submarine caldera AGU 2020 Fall Meeting V043-04 Online Dec. 2020 -
11 Lai, Sandanbata, Zhan, and Miller. Seismic characterization of explosive and collapse events at the Kilauea summit during the 2018 eruption AGU 2020 Fall Meeting V002-0012 Online Dec. 2020 -
10 Sandanbata, Watada, Satake, Kanamori, Rivera, and Zhan. Volcanic tsunami earthquakes repeating at submarine calderas (1): Physical mechanism JpGU-AGU Joint Meeting 2020 SVC45-36 Online Jul. 2020 -
9 Sandanbata, Watada, Satake, Kanamori, Rivera, and Zhan. Volcanic tsunami earthquakes repeating at submarine calderas (2): Kinematic source modeling of the 2015 Torishima earthquake JpGU-AGU Joint Meeting 2020 HDS08-P07 Online Jul. 2020 -
8 Wang, Sandanbata, Satake, Maeda, and Su. Tsunami Data Assimilation of the 2015 Torishima Earthquake AGU 2019 Fall Meeting NH43F-0995 San Francisco, US Dec. 2019 -
7 Sandanbata, Watada, and Satake. Abrupt large uplift caused by volcanic tsunami earthquakes near the Kermadec Islands AGU 2018 Fall Meeting NH33A-06 Washington DC, US Dec. 2018 -
6 Sandanbata, Watada, Satake, Fukao, Sugioka, Ito, and Shiobara Tsunami Source Modeling for the 2015 Volcanic Tsunami Earthquake Near Torishima, South of Japan AOGS 2018 Annual Meeting IG03-D3-PM1-323A-015 Honolulu, US Jun. 2018 -
5 Sandanbata, Watada, Satake, Fukao, Sugioka, Ito, and Shiobara. Tsunami Source Modeling of the 2015 Volcanic Tsunami Earthquake near Torishima, South of Japan AGU 2017 Fall Meeting NH23A-0231 New Orleans, US Dec. 2017 -
4 Sandanbata, Watada, Satake, Fukao, Sugioka, Ito, and Shiobara. Raytracing for dispersive tsunamis and estimation of initial sea-surface displacement: Application to the 2015 Smith Caldera earthquake JpGU-AGU Joint Meeting 2017 HDS16-12 Chiba, Japan May 2017 -
3 Sandanbata, Watada, Satake, Fukao, Sugioka, Ito, and Shiobara. 2015 volcanic tsunami earthquake near Torishima Island: Ray tracing analysis of dispersive tsunami wave AGU 2016 Fall Meeting NH43B-1838 San Francisco, US Dec. 2016 -
2 Sandanbata, Watada, Satake, Fukao, Sugioka, Ito, and Shiobara. 2015 Torishima Tsunami Earthquake: Ray Tracing Analysis Of Dispersive Tsunami Wave AOGS 2016 Annual Meeting OS22-SE37-D4-PM2-P-008 Beijing, China Aug. 2016 -
1 Sandanbata, Obara, Maeda, Takagi, and Satake. Step-wise temporal change in the frequency-amplitude distribution of volcanic long period tremors at Aso volcano Workshop ERI-IPGP Paris, France Sep. 2015 -


寄稿

  • 三反畑修, 「鳥島近海から突然押し寄せた「謎の津波」の正体は 」.日本地震学会 広報紙「なゐふる」, 137号, 2024年5月. Link
  • 松本恵子, Conwey Chris, 畑真紀, 伊藤久敏, 岩橋くるみ, 片岡香子, 森田雅明, 西原歩, 三反畑修, 渡部将太, 山﨑誠子, 長谷川健 (2023). 「IAVCEI(国際火山学地球内部化学協会)2023年大会参加報告(その2):巡検と学会参加の感想」, 火山, 68(2), 115–123, https://doi.org/10.18940/kazan.68.2_115
  • 長谷川健, 松本恵子, 橋本武志, 畑真紀, 岩橋くるみ, 無盡真弓, 村松弾, 大橋正俊, 三反畑修, 嶋野岳人, 田中良, 安田裕紀 (2023). 「IAVCEI(国際火山学地球内部化学協会)2023年大会参加報告(その1):セッションとワークショップの概況」, 火山, 68(2), 105–113, https://doi.org/10.18940/kazan.68.2_105
  • 三反畑修, 「『急がば回れ』でようやく辿り着いた Caltech」.日本地震学会ニュースレター, 第72巻,第NL4号. 2019年11月10日. (地震学会) (PDF) 
  • 三反畑修, 「SF地震学 若手研究者海外派遣報告­(Stanford大学)」.Slow-to-Fast地震学. 2022年10月17日. (Slow-to-Fast地震学) 

メディア (主要なもの)

  • 東京新聞, 20234/4/21, <ブレークスルー 2024>火山と津波 40年の謎解く 海底火山の活動を研究 東京大地震研究所助教・三反畑修さん. Link
  • 毎日新聞, 2023/12/7, 鳥島近海地震の波紋/下 深海カルデラ、津波の発生源か. Link
  • 毎日新聞, 2023/12/1, 静かに押し寄せた「謎の津波」正体は 浮かんだ未知の海底地形/上. Link
  • 毎日新聞, 2023/10/30, 「津波起こす現象繰り返し増幅」 鳥島近海地震、東大研究所解析 Link.
  • 東京新聞, 2023/10/29, 伊豆諸島・須美寿カルデラ付近 10年周期「謎の津波」の原因は? 海底火山で岩盤「跳ね上げ」 Link
  • 朝日新聞, 2023/10/27, 9日に観測された「謎の津波」 13回以上連続発生して2倍に増幅? Link
  • NHK みみより!くらし解説, 2023/10/20, なぞの津波〜海底で何が起きたのか. Link
  • NHK NEWS7, 2022/10/9, ビデオコメント出演(同日発生の鳥島近海の津波について). Link (NHK NEWS WEB)
  • 朝日新聞, 2022/11/18, デジタル版2022年11月12日, 地震だけじゃない、津波の仕組み. Link
  • 日本経済新聞, 2018/9/9, 海底火山で津波地震 マグマで岩盤隆起 研究進む Link