Chief Researcher
Specialties
Volcanology
Education and Research History
Mar. 2005 B.S. Department of Earth Science, Kanazawa University
Mar. 2007 M.S. Department of Earth and Planetary Science, Kyushu University
Mar. 2010 Ph.D. Department of Earth and Planetary Science, Kyushu University
Apr. 2010-Dec. 2010 Technical Staff, Geological Survey of Japan, AIST
Jan. 2011-Mar. 2013 COE fellow, Department of Geophysics, Tohoku University
Apr. 2013-Apr. 2014 Postdoc Researcher, Institute of Seismology and Volcanology, Kyushu University
May. 2014-Sep. 2016 Researcher, National Research Institute for Earth Science and Disaster Resilience
Oct. 2016-Present Chief Researcher, National Research Institute for Earth Science and Disaster Resilience
Recent Research Activities
- Petrology and geology on volcanic phenomena
- Petrological and geological monitoring for volcanic activity
Selected Publications
Miwa, T., Ishibashi, H., Kazahaya, R., Okumura, S., Iguchi, M., Saito, G., Yasuda, A., Geshi, N., and Kagi, H. (2023), Redox state of magma recorded in volcanic glass from an ash-forming eruption at Bromo volcano, Indonesia: Insights into the degassing process. Bulletin of Volcanology, 85, 48. https://doi.org/10.1007/s00445-023-01660-1
Miwa T., Geshi N., Itoh J., Tanada T., Iguchi M. (2021), Automatic onsite imaging of volcanic ash particles with VOLCAT: Towards quasi-real-time eruption style monitoring, Journal of Volcanology and Geothermal Research, 416, 107267. https://doi.org/10.1016/j.jvolgeores.2021.107267
Miwa T., Iriyama Y., Nagai M., Nanayama F. (2020), Sedimentation process of ashfall during a Vulcanian eruption as revealed by high-temporal resolution grainsize analysis and high-speed camera imaging, Progress in Earth and Planetary Science, 7, Article number: 3. https://doi.org/10.1186/s40645-019-0316-8
Professional Memberships
Volcanological Society of Japan, Japan Geoscience Union, American Geophysical Union, Mineralogical Society of America
Affiliated Fundamental Research and Development Centers
Center for Integrated Volcano Research