Sun. May 26, 2019 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

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

[S-SS04] New methods for seismicity characterization

[SSS04-P01] **Constraint of focal mechanisms of induced seismicity by using misfit angles based on known in-situ stress**

*Yusuke Mukuhira¹, Makoto Naoi², Michael C Fehler³, Hirokazu Moriya⁵, Takatoshi Ito¹, Hiroshi Asanuma⁴, Markus O Häring⁶ (1.Institute of Fluid Science, Tohoku University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Earth Resources Laboratory, MIT, 4.FREA, AIST, 5.School of Engineering, Tohoku University, 6.Häring GeoProject)

Sun. May 26, 2019 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

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

[S-SS04] New methods for seismicity characterization

[SSS04-P01] **Constraint of focal mechanisms of induced seismicity by using misfit angles based on known in-situ stress**

*Yusuke Mukuhira¹, Makoto Naoi², Michael C Fehler³, Hirokazu Moriya⁵, Takatoshi Ito¹, Hiroshi Asanuma⁴, Markus O Häring⁶ (1.Institute of Fluid Science, Tohoku University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Earth Resources Laboratory, MIT, 4.FREA, AIST, 5.School of Engineering, Tohoku University, 6.Häring GeoProject)

Sun. May 26, 2019 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

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

[S-SS05] Induced and triggered seismicity: case-studies, monitoring and modeling techniques

[SSS05-P04] A Novel Method to Estimate Fracture Permeability: Combining microseismic observational data and reservoir engineering model

*Meihua Yang^1,2, Yusuke Mukuhira², Takatoshi Ito² (1.State Key Laboratory of Oil and Gas Geology and Exploitation, Chendu University of Technology (China) , 2.Institute of Fluid Science, Tohoku University (Japan))

Sun. May 26, 2019 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

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

[S-SS05] Induced and triggered seismicity: case-studies, monitoring and modeling techniques

[SSS05-P04] A Novel Method to Estimate Fracture Permeability: Combining microseismic observational data and reservoir engineering model

*Meihua Yang^1,2, Yusuke Mukuhira², Takatoshi Ito² (1.State Key Laboratory of Oil and Gas Geology and Exploitation, Chendu University of Technology (China) , 2.Institute of Fluid Science, Tohoku University (Japan))

Sun. May 26, 2019 1:45 PM - 3:15 PM A04 (TOKYO BAY MAKUHARI HALL)

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

[S-SS05] Induced and triggered seismicity: case-studies, monitoring and modeling techniques

1:45 PM - 2:00 PM

[SSS05-01] Causality between induced seismicity b-value reduction and stress state of existing fractures

★Invited Papers

*Yusuke Mukuhira¹, Michael C Fehler², Takatoshi Ito¹, Hiroshi Asanuma³, Markus O Häring⁴ (1.Institute of Fluid Science, Tohoku University, 2.ERL, Massachusetts Institute of Technology , 3.FREA, AIST, 4.Häring GeoProject)

Mon. May 27, 2019 10:45 AM - 12:15 PM A07 (TOKYO BAY MAKUHARI HALL)

[E] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS02] Drilling Earth Science

11:30 AM - 11:45 AM

[MIS02-10] ICDP DSeis 3: Spatial variation in stress state in the source region of Orkeny earthqauke (M5.5) based on analyses of the ICDP-DSeis borehole cores

*Yasuo Yabe¹, Akimasa Ishida², Kosuke Sugimura², Kanematsu Makoto², Mitsuya Higashi², Shunsuke YOSHIDA², Bennie Liebenberg⁷, Takatoshi Ito³, Akio Funato⁵, Bryan Watson⁶, Raymond Durrheim⁴, Hiroshi Ogasawara² (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.Faculty of Science and Engeneer, Ritsumeikan University, 3.Institute of Fluid Science, Tohoku University, 4.School of Geoscience, University of the Witwatersrand, 5.Fukada Geological Institute, 6.School of Mining Engeneering, University of the Witwatersrand, 7.Moab Khotsong mine)

11:45 AM - 12:00 PM

[MIS02-11] Applications of DCDA method for in-situ crustal stress measurement - Rock core samples from NIED seismic observation wells -

*Kentaro Omura¹, Weiren Lin², Takatoshi Ito³, Akio Funato⁴ (1.National Research Institute for Earth Science and Disaster Resilience, 2.Graduate School of Engineering, Kyoto University, 3.Institute of Fluid Science, Tohoku University, 4.Fukada Geological Institute)

Mon. May 27, 2019 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

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

[M-IS02] Drilling Earth Science

[MIS02-P08] ICDP DSeis 5: Diametrical Core Deformation Analysis of the M5.5 aftershock zone core - stress concentration at reflective intrusives and transition in stress regimes.

*Kosuke Sugimura¹, Shunsuke YOSHIDA¹, Ryogo Tadokoro¹, Hiroshi Ogasawara², Akimasa Ishida, Yasuo Yabe³, Takatoshi Ito⁴, Akio Funato⁵, Siyanda Mngadi⁶, Ray Durrheim⁶ (1.Graduate school of science and engineering, Ritsumeikan, 2.College of Science and Engineering, Ritsumeikan Univ., 3.Graduate School of Science, Tohoku Univ., 4.Inst. Fluid Science, Tohoku Univ., 5.Fukada Geological Institute, 6.Univ. Witwatersrand, School of Geoscience)

[MIS02-P10] ICDP DSeis 7: compilation of stress information and comparison with calculated stresses in the M5.5 aftershock zones

*Mitsuya Higashi¹, Yasuo Yabe², Kosuke Sugimura¹, Akimasa Ishida, Makoto Kanematsu¹, Shunsuke YOSHIDA¹, Ryogo Tadokoro¹, Takatoshi Ito⁴, Akio Funato⁵, Hiroshi Ogasawara³ (1.Graduate School of Science and Engineering, Ritsumeikan Univ., 2.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 3.College of Science and Engineering, Ritsumeikan Univ., 4.Inst. Fluid Science, Tohoku Univ., 5.Fukada Geological Institute)

Mon. May 27, 2019 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

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

[M-IS02] Drilling Earth Science

[MIS02-P08] ICDP DSeis 5: Diametrical Core Deformation Analysis of the M5.5 aftershock zone core - stress concentration at reflective intrusives and transition in stress regimes.

*Kosuke Sugimura¹, Shunsuke YOSHIDA¹, Ryogo Tadokoro¹, Hiroshi Ogasawara², Akimasa Ishida, Yasuo Yabe³, Takatoshi Ito⁴, Akio Funato⁵, Siyanda Mngadi⁶, Ray Durrheim⁶ (1.Graduate school of science and engineering, Ritsumeikan, 2.College of Science and Engineering, Ritsumeikan Univ., 3.Graduate School of Science, Tohoku Univ., 4.Inst. Fluid Science, Tohoku Univ., 5.Fukada Geological Institute, 6.Univ. Witwatersrand, School of Geoscience)

[MIS02-P10] ICDP DSeis 7: compilation of stress information and comparison with calculated stresses in the M5.5 aftershock zones

*Mitsuya Higashi¹, Yasuo Yabe², Kosuke Sugimura¹, Akimasa Ishida, Makoto Kanematsu¹, Shunsuke YOSHIDA¹, Ryogo Tadokoro¹, Takatoshi Ito⁴, Akio Funato⁵, Hiroshi Ogasawara³ (1.Graduate School of Science and Engineering, Ritsumeikan Univ., 2.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 3.College of Science and Engineering, Ritsumeikan Univ., 4.Inst. Fluid Science, Tohoku Univ., 5.Fukada Geological Institute)

Mon. May 27, 2019 3:30 PM - 5:00 PM A08 (TOKYO BAY MAKUHARI HALL)

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

[M-GI33] Data-driven geosciences

4:30 PM - 4:45 PM

[MGI33-09] 3-dimensional Fracture Network Analysis by Persistent Homology

*Miyuki Miyazawa¹, Anna Suzuki², Atsushi Okamoto¹, Hiroyuki Shimizu³, Ippei Obayashi⁴, Yasuaki Hiraoka^4,5, Takatoshi Ito² (1.Graduate School of Environmental Studies, Tohoku University, 2.Institute of Fluid Science, Tohoku University, 3.Kajima Corporation, 4.The Advanced Institute for Materials Research, Tohoku University, 5.Kyoto University)

Takatoshi Ito

Speaker, Author, Co-Author

★Invited Papers