[S-SS30_28PM2] New perspective of great earthquakes along subduction zones

5:15 PM - 5:30 PM

[SSS30-22] Feasibility of acoustic monitoring of strength drop precursory to earthquake occurrence

*Nobuki KAME¹, Kohei NAGATA², Masao NAKATANI¹, Tetsuya KUSAKABE¹ (1.Earthquake Res. Inst., Univ. of Tokyo, 2.Ministry of Education, Culture, Sports, Science and Technology)

Wed. Apr 30, 2014 9:00 AM - 10:45 AM 511 (5F)

Oral
| Symbol S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Techtonophysics

[S-IT38_30AM1] Rheology and Transport Phenomena of Geomaterials

9:15 AM - 9:30 AM

[SIT38-02] Microfracture distributions indicating formation of large-scale cracks in the rock mass ahead of the mining front

*Makoto NAOI¹, Hirokazu MORIYA², Masao NAKATANI¹, Osamu MURAKAMI³, Kgarume THABANG⁴, Masakale THABANG⁵, Ribeiro LUIZ⁶, Yasuo YABE², Hironori KAWAKATA³, Ward ANTHONY⁶, Durrheim RAY⁴, Hiroshi OGASAWARA³ (1.Univ. of Tokyo, 2.Tohoku Univ., 3.Ritsumeikan Univ., 4.CSIR, 5.OHMS, 6.SeismoGen)

10:30 AM - 10:45 AM

[SIT38-07] Relaxation processes of granular layer at seismic slip rates and layer thickness.

*Osamu KUWANO¹, Masao NAKATANI², Takahiro HATANO², Hide SAKAGUCHI¹ (1.IFREE, JAMSTEC, 2.ERI, University of Tokyo)

Wed. Apr 30, 2014 4:15 PM - 6:00 PM 501 (5F)

Oral
| Symbol S (Solid Earth Sciences)
| S-CG Complex & General

[S-CG64_30PM2] Slow earthquakes

5:15 PM - 5:30 PM

★ [SCG64-19] Preseismic behaviors involving slow slip in rate-state earthquake sequence models with a hierarchical asperity concept

*Hiroyuki NODA¹, Masao NAKATANI², Takane HORI¹ (1.JAMSTEC, IFREE, 2.The University of Tokyo, ERI)

Fri. May 2, 2014 11:00 AM - 11:30 AM 423 (4F)

Oral
| Symbol S (Solid Earth Sciences)
| S-CG Complex & General

[S-CG65_2AM2] Stress and Crustal Dynamics

11:00 AM - 11:15 AM

[SCG65-08] Investigation into stress field and strength at hypocenters at South African gold mines

*Hiroshi OGASAWARA¹, Harumi KATO², Gerhard HOFMANN³, Dave ROBERTS³, Trevor CLEMENTS⁴, Phil PIPER⁴, Yasuo YABE⁵, Masao NAKATANI⁶, Makoto NAOI⁶ (1.Ritsumeikan University, 2.3DGeoscience Inc., 3.Anglogold Ashanti ltd., 4.Groundwork ltd., 5.Tohoku University, 6.The university of Tokyo)

11:15 AM - 11:30 AM

[SCG65-P01_PG] Comparison of stress modeling with in-situ strain monitoring at seismogenic area in South African gold mines

3-min talk in an oral session

*Hiroshi OGASAWARA¹, Taishi KATSURA², Gerhard HOFMANN³, Masao NAKATANI⁴, Yasuo YABE⁵, Hiroshi ISHII⁶, Shigeru NAKAO⁷, Makoto OKUBO⁶, Ward ANTHONY⁸, Wienand JERRY⁹, Lenegan PATRICK⁹, Hironori KAWAKATA¹, Osamu MURAKAMI¹, Taka UCHIURA¹ (1.Ritsumeikan University, 2.Hitachi Solutions, ltd., 3.Anglogold Ashanti ltd., 4.The university of Tokyo, 5.Tohoku University, 6.Tono Research Institute of Earthquake, 7.Kagoshima University, 8.Seismogen CC, 9.Sibanye Gold ltd.)

Fri. May 2, 2014 4:15 PM - 5:30 PM Poster (3F)

Poster
| Symbol S (Solid Earth Sciences)
| S-CG Complex & General

[S-CG65_2PO1] Stress and Crustal Dynamics

4:15 PM - 5:30 PM

[SCG65-P01] Comparison of stress modeling with in-situ strain monitoring at seismogenic area in South African gold mines

*Hiroshi OGASAWARA¹, Taishi KATSURA², Gerhard HOFMANN³, Masao NAKATANI⁴, Yasuo YABE⁵, Hiroshi ISHII⁶, Shigeru NAKAO⁷, Makoto OKUBO⁶, Ward ANTHONY⁸, Wienand JERRY⁹, Lenegan PATRICK⁹, Hironori KAWAKATA¹, Osamu MURAKAMI¹, Taka UCHIURA¹ (1.Ritsumeikan University, 2.Hitachi Solutions, ltd., 3.Anglogold Ashanti ltd., 4.The university of Tokyo, 5.Tohoku University, 6.Tono Research Institute of Earthquake, 7.Kagoshima University, 8.Seismogen CC, 9.Sibanye Gold ltd.)

Thu. May 1, 2014 9:00 AM - 10:45 AM 502 (5F)

Oral
| Symbol M (Multidisciplinary and Interdisciplinary)
| M-AG Applied Geosciences

[M-AG39_1AM1] Special Project for Reducing Vulnerability for Urban Mega Earthquake Disasters

10:30 AM - 10:45 AM

[MAG39-P03_PG] Publication of the Japan University Network Earthquake Catalog of First-Motion Focal Mechanisms (JUNEC FM²)

3-min talk in an oral session

*Takeo ISHIBE¹, Hiroshi TSURUOKA¹, Kenji SATAKE¹, Masao NAKATANI¹ (1.Earthquake Research Institute, the University of Tokyo)

Thu. May 1, 2014 6:15 PM - 7:30 PM Poster (3F)

Poster
| Symbol M (Multidisciplinary and Interdisciplinary)
| M-AG Applied Geosciences

[M-AG39_1PO1] Special Project for Reducing Vulnerability for Urban Mega Earthquake Disasters

6:15 PM - 7:30 PM

[MAG39-P03] Publication of the Japan University Network Earthquake Catalog of First-Motion Focal Mechanisms (JUNEC FM²)

*Takeo ISHIBE¹, Hiroshi TSURUOKA¹, Kenji SATAKE¹, Masao NAKATANI¹ (1.Earthquake Research Institute, the University of Tokyo)

Masao NAKATANI

Speaker, Author, Co-Author

★ [SCG64-19] Preseismic behaviors involving slow slip in rate-state earthquake sequence models with a hierarchical asperity concept

3-min talk in an oral session

3-min talk in an oral session