Special Researcher

researchmap

Specialties

Seismology

Education and Research History

March 2018 Department of Earth and Planetary Sciences, School of Science, Tokyo Tech (Bachelor)
March 2020 Department of Earth and Planetary Sciences, School of Science, Tokyo Tech (Master)
March 2023 Department of Earth and Planetary Sciences, School of Science, Tokyo Tech (Doctor)
April 2023 Postdoctoral Researcher, Institute of Volcanology and Seismology, Faculty of Science, Hokkaido University
November 2023- Researcher, National Research Institute for Earth Science and Disaster Resilience

Recent Research Activities
  • Waveform analyses of volcanic earthquakes
Selected Publications
  • Oikawa, G., N. Aso, and J. Nakajima, (2019). Focal mechanisms of deep low‐frequency earthquakes beneath Zao volcano, Northeast Japan, and relationship to the 2011 Tohoku earthquake. Geophys. Res. Lett., 46, 7361– 7370, https://doi.org/10.1029/2019GL082577.
  • Oikawa, G., N. Aso, and J. Nakajima, (2021). Depth Dependent Focal Mechanisms of Volcanic Deep Low-Frequency Earthquakes in Northeast Japan, J. Geophys. Res. Solid Earth., 126(12), e2021JB022666, https://doi.org/10.1029/2021JB022666.
  • Oikawa, G., and N. Aso, (2024). Cubic moment-duration relationship of low frequency earthquakes, Geophysical Journal International, ggae031, https://doi.org/10.1093/gji/ggae031.

Professional Memberships
  • Japan Geoscience Union
  • Seismological Society of Japan
  • Volcanological Society of Japan
  • America Geophysical Union
Affiliated Fundamental Research and Development Centers

Center for Integrated Volcano Research