| Time | Presentation No | Title | Author | Presenter | Abstract | 
	
		| Oral Presentation   May 21 PM1 (14:15-16:00) 302                              to the top | 
	
		| 14:15 - 14:30 | SSS31-01 | Tsunami generation near Japan by earthquakes in along-strike single segmentation and along-dip double segmentation | Junji Koyama Motohiro Tsuzuki
 | Junji Koyama | English | 
	
		| 14:30 - 14:45 | SSS31-02 | The 2011 Tohoku-oki megathrust earthquake (Mw 9.0) and slip deficit of the past tsunami earthquakes in the region | Motohiro Tsuzuki Junji Koyama
 | Motohiro Tsuzuki | English | 
	
		| 14:45 - 15:00 | SSS31-03 | Slip deficit distribution using earthquake catalogs | IWATSUKI, Maho Ryoya Ikuta
 | Ryoya Ikuta | English | 
	
		| 15:00 - 15:15 | SSS31-04 | Estimation of the lower limit of the coseismic slip and the strength in the deeper part near the 2011 mainshock | Keita Chiba Yoshihisa Iio
 Yukitoshi Fukahata
 | Keita Chiba | English | 
	
		| 15:15 - 15:30 | Invited SSS31-05
 | Determination of Stress State in Japan Trench Fast Drilling Project (JFAST) | Weiren Lin Marianne Conin
 J. Casey Moore
 other
 | Weiren Lin | English | 
	
		| 15:30 - 15:45 | SSS31-06 | Anelastic deformation during the 2011 Tohoku earthquake: The role of extensional faulting in the generation of a tsunami | Takeshi Tsuji Kiichiro Kawamura
 Toshiya Kanamatsu
 other
 | Takeshi Tsuji | English | 
	
		| 15:45 - 16:00 | SSS31-07 | Vertical seafloor deformation associated with the 2011 Tohoku-Oki earthquake | Ryota Hino Daisuke Inazu
 Takeshi Iinuma
 other
 | Ryota Hino | English | 
	
		| Oral Presentation   May 21 PM2 (16:15-18:00) 302                              to the top | 
	
		| 16:15 - 16:30 | SSS31-08 | Seismic reflection character and spatial distribution of the Nankai shallow decollement with tsunami potential | Jin-Oh Park Hajime Naruse
 | Jin-Oh Park | English | 
	
		| 16:30 - 16:45 | SSS31-09 | Estimation of effective pressure in Nankai accretionary margin using physical properties of sediments | Yoshitaka Hashimoto Mika Yamaguchi
 Shougo Abe
 other
 | Yoshitaka Hashimoto | English | 
	
		| 16:45 - 17:00 | SSS31-10 | Accumulation process of earthquake-induced turbid layer in the Nankai Trough accretionary prism | Ritsuko Sawada Juichiro Ashi
 Akiko Omura
 other
 | Juichiro Ashi | English | 
	
		| 17:00 - 17:15 | SSS31-11 | ACORK off Muroto: Tidal response and overpressure observed from borehole pore pressure monitoring in the Nankai Trough | Masataka Kinoshita Hidenori Kumagai
 BECKER, Keir
 other
 | Masataka Kinoshita | English | 
	
		| 17:15 - 17:30 | SSS31-12 | Development of seafloor and seafloor borehole observatory network in the Nankai Trough for monitoring earthquake and slo | Eiichiro Araki Kazuya Kitada
 Toshinori Kimura
 other
 | Eiichiro Araki | English | 
	
		| 17:30 - 17:45 | 3-min talk in an oral session (SSS31-P01/SSS31-P02/SSS31-P03/SSS31-P04/SSS31-P06) | 
	
		| 17:45 - 18:00 | 3-min talk in an oral session (SSS31-P07/SSS31-P09/SSS31-P10/SSS31-P11/SSS31-P12) | 
	
		| Oral Presentation   May 22 AM1 (09:00-10:45) 302                              to the top | 
	
		| 09:00 - 09:15 | SSS31-13 | Analyses of mineral composition and carbonaceous material in the megasplay fault of the Nankai Trough | Hirokazu Masumoto Tetsuro Hirono
 Hikaru Yabuta
 other
 | Tetsuro Hirono | English | 
	
		| 09:15 - 09:30 | SSS31-14 | Segmentation of hypocenters and 3-D velocity structure around the Kii Peninsula | Takeshi Akuhara Kimihiro Mochizuki
 Kazuo Nakahigashi
 other
 | Takeshi Akuhara | English | 
	
		| 09:30 - 09:45 | SSS31-15 | Spatial distribution of random velocity inhomogeneities at western Nankai trough | Tsutomu Takahashi Koichiro Obana
 Yojiro Yamamoto
 other
 | Tsutomu Takahashi | English | 
	
		| 09:45 - 10:00 | SSS31-16 | On the anomalies of distribution of Green's function amplitudes for M9 source in Nankai trough | Anatoly Petukhin Ken Miyakoshi
 Masato Tsurugi
 other
 | Anatoly Petukhin | English | 
	
		| 10:00 - 10:15 | SSS31-17 | Spatiotemporal relation of inland earthquakes in southwest Japan to interplate earthquakes along the Nankai trough | Yosuke Shikakura Yukitoshi Fukahata
 Kazuro Hirahara
 | Yosuke Shikakura | English | 
	
		| 10:15 - 10:30 | Invited SSS31-18
 | The results of researches on the seismic linkage among mega thrust earthquake seismogenic zones around the Nankai trough | Yoshiyuki Kaneda Kazuro Hirahara
 Takashi Furumura
 | Yoshiyuki Kaneda | English | 
	
		| 10:30 - 10:45 | 3-min talk in an oral session (SSS31-P15/SSS31-P16/SSS31-P17/SSS31-P18/SSS31-P19) | 
	
		| Oral Presentation   May 22 AM2 (11:00-12:45) 302                              to the top | 
	
		| 11:00 - 11:15 | SSS31-19 | Preliminary results of IODP Expedition 338: Scientific aspects | Kyuichi Kanagawa Brandon Dugan
 Gregory Moore
 other
 | Kyuichi Kanagawa | English | 
	
		| 11:15 - 11:30 | SSS31-20 | Preliminary structural geology results of IODP Expedition 338 | Asuka Yamaguchi Toru Takeshita
 Jacob Geersen
 other
 | Asuka Yamaguchi | English | 
	
		| 11:30 - 11:45 | SSS31-21 | What determines  Mw7 or Mw8? | Arito Sakaguchi Yuzuru Yamamoto
 Yoshitaka Hashimoto
 other
 | Arito Sakaguchi | English | 
	
		| 11:45 - 12:00 | SSS31-22 | Preliminary results of stress and strain analyses, IODP Expeditions 334 and 344, Costa Rica Seismogenesis Project (CRISP | Yuzuru Yamamoto Weiren Lin
 Yoichi Usui
 other
 | Yuzuru Yamamoto | English | 
	
		| 12:00 - 12:15 | Invited SSS31-23
 | Fluid-rock interaction and resultant rupture of great earthquake -An exercise from fossilized seismogenic plate boundary | Gaku Kimura Saneatsu Saito
 Asuka Yamaguchi
 other
 | Gaku Kimura | English | 
	
		| 12:15 - 12:30 | SSS31-24 | Changes in illite crystallinity in the Nobeoka thrust fault zone SW Japan, ancient megaspray fault in a subduction zone | Rina Fukuchi Koichiro Fujimoto
 Mari Hamahashi
 other
 | Rina Fukuchi | English | 
	
		| 12:30 - 12:45 | 3-min talk in an oral session (SSS31-P23/SSS31-P24/SSS31-P25/SSS31-P26/SSS31-P28) | 
	
		| Oral Presentation   May 22 PM1 (14:15-16:00) 302                              to the top | 
	
		| 14:15 - 14:30 | SSS31-25 | Frictional behavior of incoming pelagic sediments to the Tohoku subduction zone | Michiyo Sawai Takehiro Hirose
 | Michiyo Sawai | English | 
	
		| 14:30 - 14:45 | SSS31-26 | Mechanical properties of the shallow Nankai Trough accretionary sediments | Miki Takahashi Hidenori Ito
 Shuhei Azuma
 other
 | Miki Takahashi | English | 
	
		| 14:45 - 15:00 | SSS31-27 | Dynamic weakening of smectite-rich faults at intermediate velocities and its importance for rupture propagation | Kiyokazu Oohashi Takehiro Hirose
 | Kiyokazu Oohashi | English | 
	
		| 15:00 - 15:15 | SSS31-28 | Megathrust-zone heterogeneity and megathrust earthquakes | Dapeng Zhao | Dapeng Zhao | English | 
	
		| 15:15 - 15:30 | Invited SSS31-29
 | 3D modeling of the cycle of megathrust earthquakes in the southern Kuril subduction zone considering high speed friction | Bunichiro Shibazaki Hiroyuki Noda
 | Bunichiro Shibazaki | English | 
	
		| 15:30 - 15:45 | SSS31-30 | Strength drop as a detectable short-term precursor: feasibility of acoustic monitoring at a natural scale | Nobuki Kame Satoshi Fujita
 Masao Nakatani
 other
 | Nobuki Kame | English | 
	
		| 15:45 - 16:00 | 3-min talk in an oral session (SSS31-P31/SSS31-P32/SSS31-P33/SSS31-P34/SSS31-P35) | 
	
		| Oral Presentation   May 22 PM2 (16:15-18:00) 302                              to the top | 
	
		| 16:15 - 16:30 | SSS31-31 | Paradox of seismicity in subduction zones: Background seismicity and mega-earthquakes | Satoshi Ide | Satoshi Ide | English | 
	
		| 16:30 - 16:45 | Invited SSS31-32
 | Similarity and variability of great earthquakes in world's subduction zones | Kenji Satake | Kenji Satake | English | 
	
		| 16:45 - 17:00 | SSS31-33 | Tsunami source models of the 2011 Tohoku and 1896 Sanriku earthquakes | Yushiro Fujii Tomoya Harada
 Kenji Satake
 | Yushiro Fujii | English | 
	
		| 17:00 - 17:15 | SSS31-34 | The feature of the Tsunami height according to type of the coastal landforms - in the case of the 2011 Tohoku Earthquake | Nobuhisa Matsuta Yasuhiro Suzuki
 Nobuhiko Sugito
 other
 | Nobuhisa Matsuta | English | 
	
		| 17:15 - 17:30 | SSS31-35 | Holocene event deposits detected from Kushimoto, Wakayama prefecture, along the Nankai Trough | Masanobu Shishikura Hideaki Maemoku
 Tomoo Echigo
 other
 | Masanobu Shishikura | English | 
	
		| 17:30 - 17:45 | Invited SSS31-36
 | Revisiting the unusual uplift of the Kikai Island at northern Ryukyu Islands, Japan | Kazuhisa Goto Yosuke Suda
 Fumihiko Imamura
 other
 | Kazuhisa Goto | English | 
	
		| 17:45 - 17:57 | 3-min talk in an oral session (SSS31-P36/SSS31-P38/SSS31-P42/SSS31-P44) | 
	
		| Presentation No | Title | Author | Presenter | Abstract | 
	
		| Poster Presentation   May 21, 22  Core Time (18:15-19:30) Convention Hall                    to the top | 
	
		| SSS31-P01 | Initial data evaluation of seismometer and tiltmeter installed in the C0002G borehole observatory in the Nankai Trough | Toshinori Kimura Eiichiro Araki
 Kazuya Kitada
 | Toshinori Kimura | English | 
	
		| SSS31-P02 | Precision observation of seafloor pressure change on the platform of C0002 borehole observatory in Nankai Trough | Kazuya Kitada Eiichiro Araki
 Hiroyuki Matsumoto
 other
 | Kazuya Kitada | English | 
	
		| SSS31-P03 | The stress variation along the Nankai Trough observed in the scientific drillings Borehole C0010A and C0004B, NanTroSEIZ | HungYu Wu Sanada Yoshinori
 Kinoshita Masataka
 | HungYu Wu | English | 
	
		| SSS31-P04 | Analysis of Fracture Characteristic against Shape of Borehole Breakout | Jun Shibanuma Yasuhiro Yamada
 Matsuoka Toshifumi
 | Jun Shibanuma | English | 
	
		| SSS31-P05 | Unsolving the fault activity off Tokai through 14C dating fossilised Calyptogena .spp shells. | Kazuhiro Yagasaki Shin'ichi Kuramoto
 Juichiro Ashi
 | Kazuhiro Yagasaki | English | 
	
		| SSS31-P06 | High resolution shallow structures of the northern marginal fault of the forearc basin off Kumano | Juichiro Ashi Ken Ikehara
 Takanori Ojima
 other
 | Juichiro Ashi | English | 
	
		| SSS31-P07 | Studies of the source depth and the depositional environment of the mud volcano by using of drilling cores in the Kumano | Satoru Muraoka Juichiro Ashi
 Arito Sakaguchi
 other
 | Satoru Muraoka | English | 
	
		| SSS31-P08 | A seismic inversion study for incoming sedimentary sequence in the Nankai Trough, southwest Japan | Kazuya Naito Jin-Oh Park
 | Kazuya Naito | English | 
	
		| SSS31-P09 | Influence of Diatomaceous Structure on the Physical Properties - An Example of off Sanriku, North Japan - | Takanori Ojima Saneatsu Saito
 | Takanori Ojima | English | 
	
		| SSS31-P10 | Dehydration of amorphous silica in subduction seismogenic zone | Mayuko Shimizu Jun Kameda
 Yohei Hamada
 other
 | Mayuko Shimizu | English | 
	
		| SSS31-P11 | Core-log integration of a subduction zone megasplay fault -Example from the Nobeoka Thrust Drilling- | Mari Hamahashi Saneatsu Saito
 Gaku Kimura
 other
 | Mari Hamahashi | English | 
	
		| SSS31-P12 | Physical properties at out of sequence thrust: Nobeoka thrust, Shimanto Belt, Southwest Japan | Yoshitaka Hashimoto Shogo Abe
 Hiroki Tano
 other
 | Yoshitaka Hashimoto | English | 
	
		| SSS31-P13 | Detecting time-dependent fluid discharge at the toe of the Nankai Trough accretionary prism | Yoshifumi Kawada Shusaku Goto
 Makoto Yamano
 other
 | Yoshifumi Kawada | English | 
	
		| SSS31-P14 | Micro-seismicity in incoming Philippine Sea Plate off Kii Peninsula based on ocean-bottom seismographic observation | Kenji Hirata Hiroaki Tsushima
 Akio Kobayashi
 other
 | Kenji Hirata | English | 
	
		| SSS31-P15 | Three-dimensional plate geometry and velocity models for the western Nankai Trough based on structural studies | Ayako Nakanishi Norio Shimomura
 Shuichi Kodaira
 other
 | Ayako Nakanishi | English | 
	
		| SSS31-P16 | Subducting structure in the northern end of the Nansei-Shoto Trench deduced from MCS profile and topography | Daishi Horiuchi Azusa Nishizawa
 Kentaro Kaneda
 other
 | Daishi Horiuchi | English | 
	
		| SSS31-P17 | Crustal Deformation Analysis Method with High-fidelity 3D Model and Application to Estimation of Coseismic Slip | Ryoichiro Agata Tsuyoshi Ichimura
 Mamoru Hyodo
 other
 | Ryoichiro Agata | English | 
	
		| SSS31-P18 | Application of back-projection method to OBS data for understanding rupture propagation of the 2011 Tohoku earthquake | Yukihiro Nakatani Kimihiro Mochizuki
 Masanao Shinohara
 other
 | Yukihiro Nakatani | English | 
	
		| SSS31-P19 | Progress of bending process of Pacific Plate and flattening process of bent slab detected with CMT solusion of JMA | Nobuaki Niitsuma | Nobuaki Niitsuma | English | 
	
		| SSS31-P20 | Ahead of the 3.11, has the greatly east offing pushed the subducting plate really? | Hirofumi Mase | Hirofumi Mase | English | 
	
		| SSS31-P21 | A possible M10 event deduced from the lessons of the 2011 Tohoku-Oki earthquake | Kiyoshi Yomogida | Kiyoshi Yomogida | English | 
	
		| SSS31-P22 | Investigation of slip parameters and fault slip behavior in the shallow part of subduction zone on the basis of vitrinit | Yohei Hamada Arito Sakaguchi
 Wataru Tanikawa
 other
 | Yohei Hamada | English | 
	
		| SSS31-P23 | Frictional heating recoded in virtinite reflectance within coal material concentrated layer: The Cretaceous Shimanto Bel | Kiyohiko Morita HASHIMOTO, Yoshitaka
 HIROSE, Takehiro
 other
 | Kiyohiko Morita | English | 
	
		| SSS31-P24 | Two types of asperities on the Tohoku-oki interplate megathrust | Ichiko Shimizu | Ichiko Shimizu | English | 
	
		| SSS31-P25 | Regulation of maximum earthquake sizes by the lithospheric rheology | Atsuko Namiki Tetsuo Yamaguchi
 Ikuro Sumita
 other
 | Atsuko Namiki | English | 
	
		| SSS31-P26 | Frictional properties of sediments on the Cocos Plate collected during the IODP Exp334, CRISP | Yuka Namiki Akito Tsutsumi
 Kohtaro Ujiie
 other
 | Yuka Namiki | English | 
	
		| SSS31-P27 | Time-dependent consolidation and reduction in permeability of quartz aggregate due to pressure solution precipitation | Hiroyuki Noda Keishi Okazaki
 Ikuo Katayama
 | Hiroyuki Noda | English | 
	
		| SSS31-P28 | Measurement of the elastic wave velocity of rocks in subduction zones with the gas medium high pressure apparatus | Hayata Tamai Jun Muto
 Hiroyuki Nagahama
 other
 | Hayata Tamai | English | 
	
		| SSS31-P29 | Revisit of  dynamic critical taper theory for the Japan trench from the topographic point of view | Hiroaki Koge Shuichi Kodaira
 Toshiya Fujiwara
 other
 | Hiroaki Koge | English | 
	
		| SSS31-P30 | Relation between Stress Perturbation of the Virtual Fault Models of Intra-plate Eq. and the 1605 Keicho Eq. | Fuyuki Hirose Kenji Maeda
 | Fuyuki Hirose | English | 
	
		| SSS31-P31 | Numerical simulation of Nankai Earthquake, Hyuga-nada Earthquakes, and slow slip events in Bungo Channel | Ryoko Nakata Mamoru Hyodo
 Takane Hori
 | Ryoko Nakata | English | 
	
		| SSS31-P32 | Two alternative regimes in Nankai seismic cycles caused by depth dependent distribution of fracture energy | Mamoru Hyodo Takane Hori
 | Mamoru Hyodo | English | 
	
		| SSS31-P33 | Dynamics of decollement formation during accretion and mechanism of great earthquake generation in subduction zones | Takane Hori Hide Sakaguchi
 | Takane Hori | English | 
	
		| SSS31-P34 | Dynamic Simulation of the Seismic Behavior on the Shallow Part of the Fault during Mega-Thrust Earthquakes Part.3 | Kenichi Tsuda DORJPALAM, Saruul
 DAN, Kazuo
 other
 | Kenichi Tsuda | English | 
	
		| SSS31-P35 | 3-D numerical modeling of temperature, fluid flow and heat flow associated with subduction of the PHS plate in SW Japan | Yingfeng Ji Shoichi Yoshioka
 Takumi Matsumoto
 | Yingfeng Ji | English | 
	
		| SSS31-P36 | Rock magnetism of Tsunami boulders and its implication to emplacement history. | Tetsuro Sato Norihiro Nakamura
 Kazuhisa Goto
 other
 | Tetsuro Sato | English | 
	
		| SSS31-P37 | Hearing survey of the tsunami generated by the 1911 great earthquake(M8.0) occurred around Kikai-jima, Japan | IWAMOTO, Kengo Kazuhiko Goto
 | Kazuhiko Goto | English | 
	
		| SSS31-P38 | Nankai Earthquake recurrences recorded in lacustrine sediment from eastern Shikoku | Takahiro Fukumoto Hiromi Matsuoka
 Makoto Okamura
 | Takahiro Fukumoto | English | 
	
		| SSS31-P39 | Nankai Earthquake recurrences recorded in lacustrine sediment | Makoto Okamura Hiromi Matsuoka
 | Makoto Okamura | English | 
	
		| SSS31-P40 | Re-examination of large 20th century earthquakes along the southern Japan trench -The 1927 and 1953 off Boso earthquakes | Satoko Murotani Kenji Satake
 | Satoko Murotani | English | 
	
		| SSS31-P41 | Fault model of the 17th century great earthquake off Hokkaido estimated from tsunami deposit data | Kei Ioki Yuichiro Tanioka
 | Kei Ioki | English | 
	
		| SSS31-P42 | Preliminary report on submarine active-fault landforms in the Sagami Trough, revealed by 0.5-arcsecond-mesh DEM | Nobuhiko Sugito Takashi Nakata
 Mitsuhisa Watanabe
 other
 | Nobuhiko Sugito | English | 
	
		| SSS31-P43 | 3D bathymetric image of the Sagami Trough and the Boso Triple Junction area | Noriaki Izumi Azusa Nishizawa
 Daishi Horiuchi
 other
 | Noriaki Izumi | English | 
	
		| SSS31-P44 | Reexamination of the late Quaternary crustal movements in the Sanriku Coast, Northeast Japan, based on geomorphological | Daisuke Ishimura Takahiro Miyauchi
 | Daisuke Ishimura | English |