Publications

Submitted Papers (non-peer reviewed)

No. Author(s) Title Submitted to Link(s)
0        


Peer-reviewed papers

No. Author(s) Title Journal Vol. Pages Year Link(s)
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),Press release
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 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,
Preprint
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,
Preprint
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 Osamu Sandanbata, Hajime Shiobara, Satoshi Kusumoto, HyeJeong Kim, Atsuki Oba, Qi Liu, Taku Ueda, Makoto Ogawa, Kazutoshi Takano, Ittetsu Kotobuki, and Yuchen Wang. Equipment of Miniature Instruments to Measure Tsunami Waves in an Experimental Tank (in Japanese) Technical Research Report, Earthquake Research Institute, the University of Tokyo 24 29-34 2018 ERI (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


Invited talks

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  


International conferences

No. Author(s) Title Conference Number Location Year File(s)
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. 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 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 -