[S-SS06] Fault Rheology and Earthquake Physics

1:45 PM - 3:15 PM

[SSS06-P06] Rock friction in and around aftershock cloud of the Orkney earthquake, South Africa, drilled by ICDP-DSeis project

*Yasuo Yabe¹, Hiroshi Ogasawara², Raymond J Durrheim³, Musa S. D. Manzi³ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.College of Science and Engineering, Ritsumeikan University, 3.School of Geoscience, University of the Witwatersrand)

Tue. May 23, 2023 1:45 PM - 3:15 PM 301A (International Conference Hall, Makuhari Messe)

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

[S-CG47] Hard-Rock Drilling Science: Continental and Deep-Sea Drilling, and Ophiolite

2:45 PM - 3:00 PM

[SCG47-05] ICDP DSeis: spacial variation in mineral assemblage and alteration at the lamprophyre dike that hosts the aftershocks zone of the 2014 Orkney M5.5 earthquake, South Africa.

*Hiroshi Ogasawara¹, Akira Tsuchiyama¹, Junya Matsuno¹, Yasuo Yabe², Takuya Matsuzaki³, Yuhji Yamamoto³, Kensuke Sakaguchi¹, Seiya Oba¹, Megumi Fujitani¹, Yuki Fukao¹, Akane Yamaguchi¹, Koichiro Suzuki¹, Kotaro Ogawa¹, Kaoru Fujita¹, DSeis Team (1.Ritsumeikan University, 2.Tohoku University, 3.Kochi University)

Wed. May 24, 2023 3:30 PM - 4:45 PM Exhibition Hall Special Setting (2) (Exhibition Hall 8, Makuhari Messe)

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

[M-GI28] Drilling Earth Science

4:15 PM - 4:30 PM

[MGI28-04] ICDP DSeis: the FY2023 activity of the drilling into seismogenic zones of M2.0-5.5 earthquakes in South African gold mines

*Hiroshi Ogasawara¹, DSeis Team (1.Faculty of Science and Engineering, Ritsumeikan University)