Sun. May 21, 2023 1:45 PM - 3:00 PM 301B (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-SS Seismology

[S-SS07] Seismic wave propagation: Theory and Application

1:45 PM - 2:00 PM

[SSS07-06] Energy partitioning among strain components in diffuse wave fields (1)

*Hisashi Nakahara¹ (1.Solid Earth Physics Laboratory, Department of Geophysics, Graduate School of Science, Tohoku University)

Tue. May 23, 2023 3:30 PM - 5:00 PM Online Poster Zoom Room (3) (Online Poster)

[E] Online Poster
| S (Solid Earth Sciences )
| S-VC Volcanology

[S-VC28] International Volcanology

3:30 PM - 5:00 PM

[SVC28-P07] Source location of volcanic earthquakes at Sakurajima using CCF-based and amplitude source location methods

*Novia Antika Anggraeni¹, Takeshi Nishimura¹, Hisashi Nakahara¹, Theodorus Permana² (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University)

Sun. May 21, 2023 10:45 AM - 12:00 PM 304 (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-TT Technology & Techniques

[S-TT42] Applying optic fiber sensing to earth science

10:45 AM - 11:00 AM

[STT42-05] Monitoring of shallow subsurface using DAS records of surface waves continuously generated by a bridge

*Katsuhiro Yabu¹, Hisashi Nakahara¹, Kentaro Emoto², Takeshi Nishimura¹ (1. Solid Earth Physics Laboratory, Department of Geophysics, Graduate School of Science, Tohoku University, 2.Institute of Seismology and Volcanology, Faculty of Science, Kyushu University. )

11:15 AM - 11:30 AM

[STT42-07] DAS observation at Sakurajima volcano in 2022

*Takeshi Nishimura¹, Kentaro Emoto², Haruhisa Nakamichi³, Satoru Hamanaka², Hisashi Nakahara¹, Kimiko Taguchi¹ (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Institute of Seismology and Volcanology, Graduate School of Science, Kyushu University, 3.Sakurajima Volcano Research Center, DPRI, Kyoto University)