Oral

T3.［Topic Session］Collaboration and advance of geological, experimental, and seismological research on slow earthquakes

[1ch113-20] T3.［Topic Session］Collaboration and advance of geological, experimental, and seismological research on slow earthquakes

Sat. Sep 4, 2021 1:00 PM - 3:30 PM ch1 (ch1)

Chiar:Kohtaro Ujiie, Ken-ichi Hirauchi, Simon Richard Wallis

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1:00 PM - 1:30 PM

[T3-O-9] [Invited]The slow earthquake spectrum in the Japan Trench illuminated by the S-net seafloor observatories

*Tomoaki Nishikawa¹, Takanori Matsuzawa², Kazuaki Ohta², Naoki Uchida³, Takuya Nishimura¹, Satoshi Ide⁴ (1. Disaster Prevention Research Institute, Kyoto University, 2. The National Research Institute for Earth Science and Disaster Resilience, 3. Tohoku University , 4. The University of Tokyo)

1:30 PM - 1:45 PM

[T3-O-10] The Geological Fingerprints of Slow Earthquakes

*Kohtaro Ujiie¹, Naoki Nishiyama¹, Madison Frank¹, Minoru Yamashita¹, Yasushi Mori², Hanae Saishu³, Norio Shigematsu³, Takayoshi Nagaya⁴ (1. University of Tsukuba, 2. Kitakyushu Museum of Natural History and Human History, 3. National Institute of Advanced Industrial Science and Technology, 4. University of Tokyo)

1:45 PM - 2:00 PM

[T3-O-11] Spatial changes in inclusion band spacing as an indicator of temporal changes in slow slip and tremor recurrence intervals

*Naoki Nishiyama¹, Kohtaro Ujiie¹, Masayuki kano² (1. University of Tsukuba, 2. Tohoku University)

2:00 PM - 2:15 PM

[T3-O-12] Temporal changes in pore fluid pressure during slow earthquake cycle estimated from foliation-parallel extension veins

*Makoto Otsubo¹, Kohtaro Ujiie², Hanae Saishu¹, Ayumu Miyakawa¹ (1. Geological Survey of Japan, 2. University of Tsukuba)

Break (2:15 PM - 2:30 PM)

2:30 PM - 2:45 PM

[T3-O-13] Which serpentinite bodies are suitable for discussing subduction boundary processes? :Evidence from the Sanbagawa belt, SW Japan.

*Simon Richard Wallis¹, Mutsuki Aoya² (1. The University of Tokyo, 2. Tokushima University)

2:45 PM - 3:00 PM

[T3-O-14] Quantification of silica transportation at subduction zone using volume change of metamorphic rocks

*Soejima Shogo¹, WALLIS Simon¹ (1. University of Tokyo)

3:00 PM - 3:15 PM

[T3-O-15] Slow slip associated with talc-forming metasomatism of serpentinite

*Yasushi Mori¹, Kohtaro Ujiie², Tadao Nishiyama³, Miki Shigeno¹, Kazuya Noro² (1. Kitakyushu Museum of Natural History and Human History, 2. University of Tsukuba, 3. Kumamoto University)

3:15 PM - 3:30 PM

[T3-O-16] Fracturing in paleo-mantle wedge serpentinite at high pore fluid pressures and implications for cycles of deep slow earthquakes

*Ken-ichi Hirauchi¹, Yurina Nagata¹, Ryosuke Oyanagi², Atsushi Okamoto³, Katsuyoshi Michibayashi⁴ (1. Shizuoka University, 2. Kokushikan University, 3. Tohoku University, 4. Nagoya University)

Session information