Fri. May 27, 2022 1:45 PM - 3:15 PM 103 (International Conference Hall, Makuhari Messe)

[E] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG44] Science of slow-to-fast earthquakes

convener:Aitaro Kato(Earthquake Research Institute, the University of Tokyo), convener:Yoshiyuki Tanaka(Earth and Planetary Science, The University of Tokyo), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo), convener:Takahiro Hatano(Department of Earth and Space Science, Osaka University), Chairperson:Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research), Hanae Saishu(Renewable Energy Research Center, AIST)

Thu. May 26, 2022 3:30 PM - 5:00 PM 201B (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-GI General Geosciences, Information Geosciences & Simulations

[M-GI32] Drilling Earth Science

convener:Yumiko Harigane(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), convener:Osamu Fujiwara(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research), convener:Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Chairperson:Yumiko Harigane(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Osamu Fujiwara(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research)

Fri. May 27, 2022 9:00 AM - 10:30 AM 201B (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-GI General Geosciences, Information Geosciences & Simulations

[M-GI32] Drilling Earth Science

convener:Yumiko Harigane(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), convener:Osamu Fujiwara(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research), convener:Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Chairperson:Yumiko Harigane(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST)), Junichiro Kuroda(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo), Osamu Fujiwara(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research)

Mon. May 23, 2022 3:30 PM - 5:00 PM 105 (International Conference Hall, Makuhari Messe)

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

[S-SS07] Fault Rheology and Earthquake Physics

4:15 PM - 4:30 PM

[SSS07-10] Rapid fault healing after seismic slip: The role of adsorbed water in fault restrengthening

*John D Bedford¹, Takehiro Hirose¹, Yohei Hamada¹ (1.JAMSTEC Japan Agency for Marine-Earth Science and Technology)

Tue. May 31, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (19) (Ch.19)

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

[S-SS07] Fault Rheology and Earthquake Physics

11:00 AM - 1:00 PM

[SSS07-P02] Slow earthquakes coexsting with regular earthquakes in a fault zone evidenced from an exhumed accretionary complex, the Cretaceous Shimanto Belt, southwest

*mako kawaji¹, Yoshitaka Hashimoto¹, Yohei Hamada² (1.kochi university, 2.JAMSTEC)

Sun. May 29, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (15) (Ch.15)

[J] Poster
| S (Solid Earth Sciences )
| S-MP Mineralogy & Petrology

[S-MP27] Deformed rocks, Metamorphic rocks and Tectonics

11:00 AM - 1:00 PM

[SMP27-P09] Residual gas composition of fault rocks along the ancient subduction zone megaspray fault: An example from the Nobeoka thrust fault in the Kyushu Shimanto Belt

Ryota Hata², *Jun Kameda¹, Yohei Hamada³, Asuka Yamaguchi⁴, Noriyuki Suzuki¹ (1.Earth and Planetary System Science Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2.Graduate School of Science, Hokkaido University, 3.Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research, 4.Atomosphere and Ocean Research Institute, The University of Tokyo)

Thu. May 26, 2022 1:45 PM - 3:15 PM 103 (International Conference Hall, Makuhari Messe)

[E] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG44] Science of slow-to-fast earthquakes

1:45 PM - 2:00 PM

[SCG44-01] Getting started on Science of Slow-to-Fast Earthquakes

*Satoshi Ide¹, Yohei Hamada², Asuka Yamaguchi³, Yoshihiro Ito⁴, Yoshiyuki Tanaka¹, Aitaro Kato⁵, Takanori Matsuzawa⁶ (1.Department of Earth an Planetary Science, The University of Tokyo, 2.JAMSTEC, 3.Atmosphere and Ocean Reseach Institute, The University of Tokyo, 4.Disaster Prevention Research Institute, Kyoto University, 5.Earthquake Research Institute, The University of Tokyo, 6.National Research Institute for Earth Science and Disaster Resilience)

Fri. May 27, 2022 3:30 PM - 5:00 PM 103 (International Conference Hall, Makuhari Messe)

[E] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG44] Science of slow-to-fast earthquakes

3:30 PM - 3:45 PM

[SCG44-30] Promotion of slow earthquakes by a subducting seamount chain of Kyushu Palau Ridge in Hyuga-Nada

*Rie Nakata¹, Masataka Kinoshita¹, Yoshitaka Hashimoto³, Yohei Hamada², Mudasar Saqab ⁴, Yanxue Ma¹, Kimihiro Mochizuki¹, Yasuyuki Nakamura², Ryuta Arai², Seiichi Miura², Gou Fujie², Paumard Victorian⁵ (1.Unviersity of Tokyo, 2.JAMSTEC, 3.Kochi University, 4.Norwegian Geotechnical Institute, 5.University of Western Australia)

3:45 PM - 4:00 PM

[SCG44-31] Crustal structures revealed by seismic reflection profiles and their relation to seismic activities in the western Nankai Trough

*Kazuya Shiraishi¹, Ryo Miura¹, Yohei Hamada¹, Yanxue Ma², Fujio Yamamoto¹, Seiichi Miura¹, Ryuta Arai¹, Yasuyuki Nakamura¹, Gou Fujie¹, Shuichi Kodaira¹, Masataka Kinoshita², Yoshitaka Hashimoto³, Rie Nakata², Kimihiro Mochizuki² (1.Japan Agency for Marine-Earth Science and Technology, 2.Earthquake Research Institute, The University of Tokyo, 3.Kochi University)

4:00 PM - 4:15 PM

[SCG44-32] Interpretations of shallow structures in Hyuga-Nada, Southwest Japan: Effect of Kyushu-Palau Ridge subduction

*Yoshitaka Hashimoto¹, Fukubeppu Wataru¹, Yuka Senoo¹, Rie Nakata², Masataka Kinoshita², Yohei Hamada³, Kimihiro Mochizuki², Ryuta Arai³, Ryo Miura³, Yasuyuki Nakamura³, Gou Fujie³, Ma Yanxue², Shuichi Kodaira³ (1.Kochi University, 2.ERI, University of Tokyo, 3.JAMSTEC)

Fri. Jun 3, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (23) (Ch.23)

[E] Poster
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG44] Science of slow-to-fast earthquakes

11:00 AM - 1:00 PM

[SCG44-P01] Experimental investigation of strength recovery under fluid flow

*Yohei Hamada¹, Takehiro Hirose¹ (1.Japan Agency for Marine-Earth Science and Technology, Institute for Extra-cutting-edge Science and Technology Avant-garde Research)

11:00 AM - 1:00 PM

[SCG44-P02] Variety of friction by double direct rotary shear tests with sandwiching two different granular materials

*Wataru Tanikawa¹, Takehiro Hirose¹, Yohei Hamada¹, Keishi Okazaki¹, Osamu Tadai², Takahiro Suzuki² (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Marine Works Japan Ltd.)

11:00 AM - 1:00 PM

[SCG44-P12] Upper plate heterogeneities in the Hyuga-nada region inferred from new and legacy OBS refraction data

*Ryuta Arai¹, Seiichi Miura¹, Yasuyuki Nakamura¹, Kazuya Shiraishi¹, Gou Fujie¹, Shuichi Kodaira¹, Tsutomu Takahashi¹, Ayako Nakanishi¹, Yuka Kaiho¹, Yohei Hamada¹, Yanxue Ma², Kimihiro Mochizuki², Rie Nakata², Masataka Kinoshita², Yoshitaka Hashimoto³ (1.Japan Agency for Marine-Earth Science and Technology, 2.Earthquake Research Institute, University of Tokyo, 3.Kochi University)

11:00 AM - 1:00 PM

[SCG44-P13] Correlations between geological structures and distribution of tectonic tremors in Hyuga-nada, Nankai Trough

*Yanxue Ma¹, Rie Nakata¹, Kimihiro Mochizuki¹, Yoshitaka Hashimoto², Yohei Hamada³, Ryuta Arai³, Seiichi Miura³, Yasuyuki Nakamura³, Gou Fujie³, Yuka Kaiho³, Shuichi Kodaira³ (1.Earthquake Research Institute, University of Tokyo, 2.Kochi University, 3.Japan Agency for Marine-Earth Science and Technology)

Fri. May 27, 2022 10:45 AM - 12:15 PM 105 (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG48] Ocean Floor Geoscience

11:15 AM - 11:30 AM

[SCG48-03] Notes on the possible uncertainties in heat flow estimation from BSR depths

*Masataka Kinoshita¹, Rie Nakata¹, Yohei Hamada², Yoshitaka Hashimoto³ (1.Earthquake Research Institute, University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kochi University)

Thu. Jun 2, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (30) (Ch.30)

[J] Poster
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG57] New perspectives of subduction zone earthquake dynamics through experiments across-scales

11:00 AM - 1:00 PM

[SCG57-P03] Distribution of abnormal fluid pressure ratio in Hyuga-Nada combining the laboratory experiments with the velocity from seismic profiles.

*Yuka Senoo¹, Yoshitaka Hashimoto¹, Rie Nakata², Masataka Kinoshita², Yohei Hamada³, Kimihiro Mochizuki², Ryuta Arai³, Ryo Miura³, Yasuyuki Nakamura³, Gou Fujie³, Yanxue Ma², Shuichi Kodaira³ (1.Kochi University, 2.Earthquake Research Institute, University to Tokyo, 3.Japan Agency for Marine Earth Science and Technology)

Sun. May 22, 2022 3:30 PM - 5:00 PM 301B (International Conference Hall, Makuhari Messe)

[J] Oral
| G (General )
| General

[G-03] Geoscience education from elementary school to university students

4:30 PM - 4:45 PM

[G03-11] Non-Slippery Sand Koshien: Citizen Science-based Earth Science Education Project

*Wataru Tanikawa¹, Yohei Hamada¹, Takehiro Hirose¹, Keishi Okazaki¹, Arata Takahashi¹, Yuki Okiyoshi¹, Kaho Matsumura¹, Takeshi Arimoto¹, Fujio Kumon² (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Kochi University)

Mon. May 30, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (32) (Ch.32)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS11] Geopark

11:00 AM - 1:00 PM

[MIS11-P01] The origin of sands on the Oki-no-hama Beach in Tosashimizu Geopark

*Keiji Doi¹, Wataru Tanikawa², Fujio Kumon³, Osamu Tadai⁴, Yohei Hamada² (1.Tosashimizu Geopark Promotion Consortium, 2.Kochi Institute for Core Sample Research, 3.Kochi Univercity, 4.Marine Works Japan Ltd.)

Fri. Jun 3, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (34) (Ch.34)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-GI General Geosciences, Information Geosciences & Simulations

[M-GI32] Drilling Earth Science

11:00 AM - 1:00 PM

[MGI32-P03] High Fluid-Pressure Patches Spreading around Source Region of Slow Earthquakes in the Nankai Trough off Cape Muroto

*Takehiro Hirose¹, Yohei Hamada¹, Wataru Tanikawa¹, Nana Kamiya², Yuzuru Yamamoto³, Takeshi Tsuji⁴, Masataka Kinoshita⁵, Verena Heuer⁶, Fumio Inagaki¹, Yuki Morono¹, Yusuke Kubo¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Graduate School of Engineering, Kyoto University, 3.Graduate School of Science, Kobe University, 4.Graduate School of Engineering, Kyusyu University, 5.Earthquake Research Institute, The University of Tokyo, 6.University of Bremen)

Wed. May 25, 2022 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ52] Geology and culture

11:45 AM - 12:00 PM

[MZZ52-05] Formative processes of the Tosa-suzuri inkstone in Mihara Village, Kochi, Japan: implications of burial and thermal diagenetic history of the Southern Shimanto Belt

Kota Asayama¹, *Go-Ichiro Uramoto¹, Riko Nakamura¹, Ken Nakayama¹, Yohei Hamada², Kazuya Iki³, Maya Adachi³, Wataru Tanikawa², Takehiro Hirose² (1.Kochi University, 2.JAMSTEC, 3.Cooperative for the Tosa-suzuri Inkstone)

Thu. Jun 2, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (38) (Ch.38)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ52] Geology and culture

11:00 AM - 1:00 PM

[MZZ52-P02] Provenance of the granitic gravestones in the great graveyard of the feudal lords (Yamauchi Daimyo) evaluated by multiple non-destructive rock analyses

*Wataru Tanikawa¹, Yoshichika Mochizuki², Tokuyama Hidekazu², Syota Takagi³, Yuhji Yamamoto², Yohei Hamada¹, Atsushi Wanatabe³ (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Kochi University, 3.Kochi Castle Museum of History)

Yohei Hamada

Convener, Chairperson

[S-CG44] Science of slow-to-fast earthquakes

[M-GI32] Drilling Earth Science

[M-GI32] Drilling Earth Science

Speaker, Author, Co-Author

[S-SS07] Fault Rheology and Earthquake Physics

[SSS07-10] Rapid fault healing after seismic slip: The role of adsorbed water in fault restrengthening

[S-SS07] Fault Rheology and Earthquake Physics

[SSS07-P02] Slow earthquakes coexsting with regular earthquakes in a fault zone evidenced from an exhumed accretionary complex, the Cretaceous Shimanto Belt, southwest

[S-MP27] Deformed rocks, Metamorphic rocks and Tectonics

[SMP27-P09] Residual gas composition of fault rocks along the ancient subduction zone megaspray fault: An example from the Nobeoka thrust fault in the Kyushu Shimanto Belt

[S-CG44] Science of slow-to-fast earthquakes

[SCG44-01] Getting started on Science of Slow-to-Fast Earthquakes

[S-CG44] Science of slow-to-fast earthquakes

[SCG44-30] Promotion of slow earthquakes by a subducting seamount chain of Kyushu Palau Ridge in Hyuga-Nada

[SCG44-31] Crustal structures revealed by seismic reflection profiles and their relation to seismic activities in the western Nankai Trough

[SCG44-32] Interpretations of shallow structures in Hyuga-Nada, Southwest Japan: Effect of Kyushu-Palau Ridge subduction

[S-CG44] Science of slow-to-fast earthquakes

[SCG44-P01] Experimental investigation of strength recovery under fluid flow

[SCG44-P02] Variety of friction by double direct rotary shear tests with sandwiching two different granular materials

[SCG44-P12] Upper plate heterogeneities in the Hyuga-nada region inferred from new and legacy OBS refraction data

[SCG44-P13] Correlations between geological structures and distribution of tectonic tremors in Hyuga-nada, Nankai Trough

[S-CG48] Ocean Floor Geoscience

[SCG48-03] Notes on the possible uncertainties in heat flow estimation from BSR depths

[S-CG57] New perspectives of subduction zone earthquake dynamics through experiments across-scales

[SCG57-P03] Distribution of abnormal fluid pressure ratio in Hyuga-Nada combining the laboratory experiments with the velocity from seismic profiles.

[G-03] Geoscience education from elementary school to university students

[G03-11] Non-Slippery Sand Koshien: Citizen Science-based Earth Science Education Project

[M-IS11] Geopark

[MIS11-P01] The origin of sands on the Oki-no-hama Beach in Tosashimizu Geopark

[M-GI32] Drilling Earth Science

[MGI32-P03] High Fluid-Pressure Patches Spreading around Source Region of Slow Earthquakes in the Nankai Trough off Cape Muroto

[M-ZZ52] Geology and culture

[MZZ52-05] Formative processes of the Tosa-suzuri inkstone in Mihara Village, Kochi, Japan: implications of burial and thermal diagenetic history of the Southern Shimanto Belt

[M-ZZ52] Geology and culture

[MZZ52-P02] Provenance of the granitic gravestones in the great graveyard of the feudal lords (Yamauchi Daimyo) evaluated by multiple non-destructive rock analyses