Research theme for competitive and other funds (20):
2018 - 2019 Comprehensive study on the 2018 Hokkaido Eastern Iburi Earthquake and its disaster
2014 - 2016 Comprehensive study of the Eruption of Ontake volcano in 2014
2012 - 2015 Application of spectroscopy in remote sensing of volcanic gases
2009 - 2012 Research on the true picture of magma supply system, which is supposed to be beneath the sea area, by means of the investigation of underground structure
2010 - 2011 General study on the eruption at Shinmoedake volcano, Kirishima, in 2011
2009 - 2011 Sophistication of remote sensing in volcanic gas measurements
2006 - 2008 火山噴煙のリモートセンシングに関する新手法の開発
2005 - 2008 Japan-Russia-USA joint research of volcanic activity, seismic activity and crustal deformation of Kuril arc
2003 - 2006 Monitoring of the volcanic fluid system and elucidation of the deep-magma ascent mechanism at Aso volcano
2004 - 2005 Elucidation of contributing factors affecting the ζ-potential of volcanic rocks
2003 - 2005 Detection of volcano-magnetic changes by aero-magnetic survey
2003 - 2004 火山爆発の理解に向けた自然電位の基礎実験
2001 - 2002 自然電位および土壌ガスの確率的トモグラフィによる火山の浅部熱水系の解明
1999 - 2001 Crustal Electric Structure in the East-china Sea Observed by Submarine Cable
1999 - 2000 地下浅部に貫入したマグマの冷却過程の解明
1997 - 2000 Elucidation of the Pressure Source Beneath the Active Crater of Aso Volcano
1997 - 1999 Investigations of volcanic structure and intruded magma by means of the geoelectrical method - Usu, Miyake-jima and Hokkaidou Komagatake -
1997 - 1998 阿蘇火山の浅部熱活動に伴う地下水流動と熱放出過程の研究
1995 - 火山・地熱地域における電磁気現象に関する研究
Self-potential and hydrothermal circulation in volcanic and geothermal areas Studies on subsurface structure of volcanoes using electromagnetic methods
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Papers (110):
K. Aoyama, T. Hashimoto. Numerical Simulation on the Electrical Conductivity of Ternary Mixtures Containing NaCl Solution, Quartz, and Smectite. Journal of Geophysical Research: Solid Earth. 2024. 129. 11
Tomohiro Inoue, Takeshi Hashimoto. The inclined conductive column effect: a new simple model for magnetotelluric anomalous phases. Geophysical Journal International. 2024. 238. 3. 1825-1839
Takeshi Hashimoto. Post-Eruptive Persistent Cooling Beneath the Summit Crater of Usu Volcano as Revealed by Magnetic Repeat Surveys. Journal of Disaster Research. 2022. 17. 5. 630-638
Inoue, T, Hashimoto, T, Tanaka, R, Yamaya, Y. A broadband magnetotelluric survey for Mt. Meakandake volcano with special attention to the unrest during 2016-2017. Earth, Planets and Space. 2022. 74. 114
Tamura, M, Oka, D, Okazaki, N, Suzuki, K, Hashimoto, T, Mogi, T. Magnetotelluric survey and three-dimensional resistivity structure in and around the Niseko area, southwestern Hokkaido. Geothermics. 2022. 105. 102496-102496
渋谷桂一, 橋本武志, 早川智也, 吉川契太郎. Repeated aeromagnetic surveys of Tarumae volcano using an unmanned autonomous helicopter. 北海道大学地球物理学研究報告(Web). 2021. 84
奥野充, 井口正人, 三好雅也, 三浦大助, 小林淳, 橋本武志, 大場武, 佐藤鋭一, 宝田晋治. Introduction of the Special Issues on“Understanding Volcanoes by Integrating Eruptive History Research and Volcano Observations”. 火山. 2021. 66. 2
Repeated aeromagnetic survey aiming for monitoring the volcanomagnetic effects and 3D imaging of the magnetization changes
(IAVCEI 2023)
Persistent cooling remagnetization beneath the summit crater of Usu Volcano
(The Volcanological Society of Japan 2022)
A t rial application of the Volcanic Unrest Index (VUI) to Mt. Tokachidake
(2020)
From monitoring to forecasting -Toward statistical evaluation of non-magmatic unrest-
(International Workshop on the mechanism of Phreatic Eruption 2020)
1998/11 - Society of Geomagnetism and Earth, Planetary and Space Sciences Ohbayashi Prize
Association Membership(s) (4):
International Association of Volcanology and Chemistry of the Earth's Interior
, JAPAN GEOSCIENCE UNION
, The Volcanological Scociety of Japan
, Society of Geomagnetism and Earth, Planetary and Space Sciences