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Joint Symposia » J08. Imaging and interpreting lithospheric structures using seismic and geodetic approaches

[J08-2] Imaging and interpreting lithospheric structures using seismic and geodetic approaches II

2017年8月3日(木) 08:30 〜 10:00 Room 501 (Kobe International Conference Center 5F, Room 501)

Chairs: Ryosuke Azuma (RCPEVE, Tohoku University) , Shuichi Kodaira (Japan Agency for Marine-Earth Science and Technology)

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08:30 〜 08:45

[J08-2-01] Tomographic imaging of the seismic velocity structure in southern Hokkaido, Japan: Implications for distributions of the crustal deep low-frequency earthquakes

^○Takahiro Shiina¹, Hiroaki Takahashi¹, Tomomi Okada², Toru Matsuzawa² (1.Hokkaido University, Sapporo, Japan, 2.Tohoku University, Sendai, Japan)

08:45 〜 09:00

[J08-2-02] Structural heterogeneities around inland earthquake areas in Hokkaido Island based on magnetotelluric observations

^○Hiroshi Ichihara¹, Yusuke Yamaya², Toru Mogi³ (1.Kobe University, 2.AIST, 3.Hokkaido University)

09:00 〜 09:15

[J08-2-03] Structure of the incoming/subducting Pacific Plate in the central part of the Japan Trench: Results from repeated ocean bottom seismograph observations

^○Koichiro Obana¹, Gou Fujie¹, Tsutomu Takahashi¹, Takashi Tonegawa¹, Yojiro Yamamoto¹, Shuichi Kodaira¹, Masanao Shinohara² (1.Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan, 2.Earthquake Research Institute, University of Tokyo, Tokyo, Japan)

09:15 〜 09:30

[J08-2-04] Seismic structure around the slow slip source in the northeastern Japan forearc by an airgun-ocean bottom seismometer survey

^○Ryosuke Azuma¹, Ryota Hino¹, Kimihiro Mochizuki², Yoshio Murai³, Hiroshi Yakiwara⁴, Toshinori Sato⁵, Masanao Shinohara³ (1.RCPEVE, Tohoku University, 2.ERI, University of Tokyo, 3.ISV, Hokkaido University, 4.Kagoshima University, 5.Chiba University)

09:30 〜 09:45

[J08-2-05] Structural variation in the rupture zone of the 2011 Tohoku-oki earthquake and its implications for depth-dependent seismic-slip behaviors

^○Shuichi Kodaira, Yasuyuki Nakamura, Yojiro Yamamoto, Koichiro Obana, Gou Fujie, Tetsuo No, Yuka Kaiho, Takeshi Sato, Seiichi Miura (JAMSTEC, Yokohama, Japan)

09:45 〜 10:00

[J08-2-06] Investigation of seismicity and subsurface structure around northern Tohoku using seismic data recorded by AS-net

^○Shinako Noguchi, Yoshihiro Sawada, Keiji Kasahara, Shutaro Sekine, Yoshihiro Tazawa, Hiroshi Yajima, Shunji Sasaki, Kimiko Ishida (Association for the Development of Earthquake Prediction)