[S-CG52] Intraslab and intraplate earthquakes

Tue. May 22, 2018 10:45 AM - 12:15 PM A03 (Tokyo Bay Makuhari Hall)

convener:Saeko Kita(International Institute of Seismology and Earthquake Engineering, BRI), Tomohiro Ohuchi(Geodynamics Research Center, Ehime University), Thomas P. Ferrand (東京大学地震研究所, 共同), Keishi Okazaki(Japan Agency for Marine-Earth Science and Technology), Chairperson:Ferrand Thomas(ENS), Okazaki Keishi(JAMSTEC)

The purpose of this session is to share recent advances of geo-scientifical studies for intraslab (intraplate) earthquakes. We seek to formulate future directions of the interdisciplinary study of the occurrence of intermediate-depth intraslab earthquakes from the viewpoint of seismology, geodynamics and mineral physics. We welcome presentations from a wide variety of scientific disciplines, including seismology, seismotectonics, geodynamics, mineral and rock physics, other geophysics, geology, and numerical modeling. Studies for outer-rise earthquakes, shallow-depth intraplate earthquakes and deep earthquakes are also welcomed because it is important to know the characteristics of shallow-depth intraslab earthquakes and deep earthquakes for understanding for the generation process of intermediate-depth intraslab earthquakes.

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10:45 AM - 11:00 AM

[SCG52-07] Mechanical behavior of limestone undergoing brittle-ductile transition: experiments and model

★Invited Papers

*Aurélien Nicolas¹, Jérôme Fortin¹, Berend Antonie Verberne², Jean-Baptiste Regnet^1,3, Oliver Plümper², Alexandre Dimanov⁴, Christopher J. Spiers², Yves Guéguen¹ (1.ENS Paris, 2.Utrecht Univ., 3.McGill Univ., 4.LMS, Ec. Polytech.)

11:00 AM - 11:15 AM

[SCG52-08] Intermediate depth earthquakes due to grain size assisted thermal runaway: What are the odds?

★Invited Papers

*Marcel Thielmann¹, Thibault Duretz^2,3 (1.Bavarian Research Institute of Experimental Geochemistry and Geophysics, University of Bayreuth, Bayreuth, Germany, 2.Géosciences Rennes, Rennes, France, 3.ISTE Laboratory, University of Lausanne, Lausanne, Switzerland)

11:15 AM - 11:30 AM

[SCG52-09] High-frequency later phases for intraslab earthquakes and attenuation in the mantle wedge beneath northeastern Japan

*Takahiro Shiina¹, Kei Katsumata¹, Kiyoshi Yomogida² (1.Institute of Seismology and Volcanology, Graduate School of Science, Hokkaido University, 2.Graduate School of Science, Hokkaido University)

11:30 AM - 11:45 AM

[SCG52-10] Migration of aqueous fluid in a subducting slab with implications for intermediate-depth seismicity

★Invited Papers

*Manabu Morishige¹, Peter E Van Keken² (1.Japan Agency for Marine-Earth Science and Technology, 2.Carnegie Institution for Science)

11:45 AM - 12:00 PM

[SCG52-11] Isolated intermediate-depth seismicity: Implications for local slab hydration

*Junichi Nakajima¹ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

Discussion (12:00 PM - 12:15 PM)

Session information

[S-CG52] Intraslab and intraplate earthquakes

[SCG52-07] Mechanical behavior of limestone undergoing brittle-ductile transition: experiments and model

★Invited Papers

[SCG52-08] Intermediate depth earthquakes due to grain size assisted thermal runaway: What are the odds?

★Invited Papers

[SCG52-09] High-frequency later phases for intraslab earthquakes and attenuation in the mantle wedge beneath northeastern Japan

[SCG52-10] Migration of aqueous fluid in a subducting slab with implications for intermediate-depth seismicity

★Invited Papers

[SCG52-11] Isolated intermediate-depth seismicity: Implications for local slab hydration

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