Wed. May 29, 2024 1:45 PM - 3:00 PM 201B (International Conference Hall, Makuhari Messe)

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

[S-VC25] International Volcanology

2:15 PM - 2:30 PM

[SVC25-03] Source location of volcanic earthquakes using ASL method in velocity structure having a constant vertical gradient

*Novia Antika Anggraeni¹, Takeshi Nishimura¹, Hisashi Nakahara¹ (1.Department of Geophysics, Graduate School of Science, Tohoku University )

Tue. May 28, 2024 9:00 AM - 10:30 AM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-VC Volcanology

[S-VC26] Active Volcanism

9:15 AM - 9:30 AM

[SVC26-02] Seismo-acoustic activities and surface hydrothermal phenomena at the South crater of Kirishima Iwo-Yama volcano

*Dan Muramatsu¹, Mie Ichihara¹, Yohei Yukutake¹, Takeshi Matsushima², Yasuhisa Tajima³, Takeshi Nishimura⁴, Tsutomu Nagatsuma⁵, Ken T. Murata⁵ (1.Earthquake Reserch Institute, The University of Tokyo, 2.Institute of Seismology and Volcanology, Faculty of Science, Kyushu University, 3.Research and Development Center, Nippon Koei Co., Ltd., 4.Department of Geophysics, Graduate School of Science, Tohoku University, 5.National Institute of Information and Communications Technology)

Fri. May 31, 2024 9:00 AM - 10:30 AM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-VC Volcanology

[S-VC29] Monitoring and assessment of volcanic activities

9:15 AM - 9:30 AM

[SVC29-02] Joint analysis of seismic velocity change, deformation and meteorological data for volcano monitoring

*Quentin Dumont¹, Takeshi Nishimura¹, Takashi Hirose¹, Tomoya Takano² (1.Solid Earth Physics Laboratory, Department of Geophysics, Graduate School of Science, Tohoku University, 2.Graduate School of Science and Technology, Hirosaki University)

Wed. May 29, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-VC31] Mechanism of volcanic eruptions

5:15 PM - 6:45 PM

[SVC31-P10] Forward modeling of source mechanisms for explosion earthquakes at Sakurajima volcano

*Takahisa Hasegawa¹, Takeshi Nishimura¹ (1.Department of Geophysics, Graduate School of Science, Tohoku University)

Mon. May 27, 2024 10:45 AM - 12:00 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-TT36] Applying optic fiber sensing to earth science

11:00 AM - 11:15 AM

[STT36-07] Estimation of shallow seismic velocity structure along National Route 47 using traffic noise in DAS records

*Katsuhiro Yabu¹, Hisashi Nakahara¹, Kentaro Emoto², Takeshi Nishimura¹ (1.Tohoku University, 2.Kyushu University)

11:15 AM - 11:30 AM

[STT36-08] Estimation of temporal changes in seismic velocities at Sakurajima based on seismic interferometry analysis of DAS data

*Takashi Hirose¹, Takeshi Nishimura¹, Hisashi Nakahara¹, Kimiko Taguchi¹, Haruhisa Nakamichi², Kentaro Emoto³, Satoru Hamanaka³ (1.Graduate School of Science, Tohoku University, 2.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 3.Kyushu University)

Mon. May 27, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-TT36] Applying optic fiber sensing to earth science

5:15 PM - 6:45 PM

[STT36-P06] Estimation of 2D strain tensors using DAS data around fiber bending points

*Hisashi Nakahara¹, Takeshi Nishimura¹, Kimiko Taguchi¹, Takashi Hirose¹, Katsuhiro Yabu¹, Haruhisa Nakamichi², Kentaro Emoto³, Satoru Hamanaka³ (1.Solid Earth Physics Laboratory, Department of Geophysics, Graduate School of Science, Tohoku University, 2.DPRI, Kyoto University, 3.Graduate School of Science, Kyushu University)

5:15 PM - 6:45 PM

[STT36-P07] Love Wave Detection and FK Analysis of Distributed Acoustic Sensing Data (DAS) from the Sakurajima Network

*Syed Idros Bin Abdul Rahman¹, Kentaro Emoto¹, Takeshi Nishimura², Haruhisa Nakamichi³, Kimiko Taguchi², Hisashi Nakahara², Takashi Hirose², Satoru Hamanaka¹ (1.Kyushu University, 2.Tohoku University, 3.Kyoto University)

5:15 PM - 6:45 PM

[STT36-P09] Relationship between strain detected by DAS observation at Sakurajima and surface geology

*Kohei Yonemori¹, Takeshi Nishimura², Haruhisa Nakamichi³, Hisashi Nakahara⁴, Kimiko Taguchi², Kentaro Emoto¹, Satoru Hamanaka¹ (1.Graduate School of Science , Kyushu University, 2.Department of Geophysics, Graduate School of Science, Tohoku University, 3.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 4.Solid Earth Physics Laboratory, Department of Geophysics, Graduate School of Science, Tohoku University)

Takeshi Nishimura

Speaker, Author, Co-Author