Masayuki Nakayama

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Speaker, Author, Co-Author

Fri. May 30, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| H (Human Geosciences )
| H-DS Disaster geosciences

[H-DS07] Landslides and related phenomena

5:15 PM - 7:15 PM

[HDS07-P17] Changes in slowness before and after rainfall detected by an active seismic array monitoring test using chirp signals on a slope

*Masayuki Nakayama¹, Hironori Kawakata¹, Issei Doi² (1.Ritsumeikan University, 2.DPRI, Kyoto University)

Fri. May 30, 2025 10:45 AM - 12:15 PM 301A (International Conference Hall, Makuhari Messe)

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

[S-SS09] Seismic wave propagation: Theory and Application

11:15 AM - 11:30 AM

[SSS09-06] Influence of a void in a cylindrical cement mortar sample on transmitted elastic waves

*Masayuki Nakayama¹, Takuya Enoyoshi¹, Hironori Kawakata¹ (1.Ritsumeikan University)