The 128th (2013 SPRING) SEGJ CONFERENCE<br>

SEGJ Technical Conference

The 128th (2013 SPRING) SEGJ CONFERENCE

The 65th SEGJ ANNIVERSARY EVENTS

INTERNATIONAL CONFERENCE CENTER, WASEDA UNIV.,TOKYO, JAPAN
June 3 - 5, 2013

GENERAL INFORMATION

VENUE

International Conference Center, Waseda University, Tokyo, Japan

SCHEDULE

Monday, June 3, 2013

Technical Sessions Room No.1 (3F) 10:00-17:20

Technical Sessions Room No.2 (3F) 10:00-17:20

Poster Core Time Room No.3 (3F) 17:20-18:50

Exhibition Room No.3 (3F) 10:20-18:50

Tuesday, June 4, 2013 65th Anniversary Events, "Geophysical Exploration in Building New Societie"
Panel Discussion Room No.2 (3F) 09:15-10:45

__Theme: Geophysical Exploration in the next ten years

__Panelist: Keisuke INOUE (NARO)

Tomonori KAWAMURA (JAPEX)

Kentaro TORII (Schlumberger)

Takeshi YOSHIKAWA (KISO-JIBAN Consultants Co., Ltd.)

__Moderator: Keiichi SUZUKI (Kawasaki Geological Engineering Co., Ltd.)

General Meeting Ibuka Memorial Hall (1F) 11:00-12:30

Anniversary Ceremony Ibuka Memorial Hall (1F) 13:30-14:50

Executive Sessions Ibuka Memorial Hall (1F) 15:00-17:00

__Chair: Hitoshi MIKADA (KYOTO Univ.; Vice-President, SEGJ)

__Presentation(1): Contributions of Exploration Geophysics to Social System Managements

__Invited Speaker: Toshifumi MATSUOKA (KYOTO Univ)

__Presentation(2):
Shale Gas Revolution: A Petroleum Engineer's Points of View

__Invited Speakers: Masaru IHARA(JOGMEC)

Banquet RIHGA Royal Hotel Tokyo 17:30-19:30

Exhibition Room No.3 (3F) 10:00-13:30

Wednesday, June 5, 2013

Technical Sessions Room No.1 (3F) 10:00-15:20

Technical Sessions Room No.2 (3F) 10:00-15:00

Exhibition Room No.3 (3F) 10:00-14:00

REGISTRATION

Pre-Registration and Onsite Registration are available.
All payments must be made in JPY (Japanease Yen).
Registered and Paid
Pre-Registration
(Until May 24, 2013)
Onsite Registration

Conference
Meeting
Member / Non-member
JPY 04,000-**
JPY 05,000-**
Student
JPY 02,000-**
JPY 03,000-**
Banquet
(Evening on June 4)
Member / Non-member
JPY 10,000-**
JPY 11,000-**
Student

JPY 05,000-**

JPY 05,000-**

**
Pre-registrant will receive BOTH CD-ROM and PAPER Proceedings at the reception of the conference.
**

Onsite registrant will receive ONLY CD-ROM Proceedings. PAPER Proceedings can be purchased at a price of JPY 1,000-.

EXHIBITION

LIST OF EXHIBITORS
Geofive Co.,Ltd.
Geophysical Surveying Co., Ltd. (GSC)
Hakusan Corporation
ITOCHU Techno-Solutions Corporation (CTC)
Mitsui Mineral Development Engineering Co., Ltd. (MINDECO)
Nihon Chikatansa Co.,Ltd.
OYO Corporation
Satellite Business Network
Terra Corporation

ITEMS TO KNOW

1) The Best Oral and Poster Presentation Awards
2) Guide for Technical Session

3) ~~Notice on the Notice on the Suspension of Train Operation on June 4 (the 2nd day of the SEGJ Conference).~~

TECHNICAL PROGRAMME

June 3, Room No.1

Session	[Mineral Exploration1]
Chair	Tada-nori Goto (Kyoto Univ.)

Jun 3, 10:00-10:20	1) Marine electrical resistivity measurement with a vertical electrode configuration [Abstract] *Takumi Ueda, Motoharu Jinguuji, Yuji Mitsuhata(Geological Survey of Japan, AIST),Hisatoshi Baba(Tokai University)
Jun 3, 10:20-10:40	2) Complex resistivity of artificial samples containing magnetite particles [Abstract] *Shinichi Takakura(AIST),Yutaka Sasaki(Kyushu Univ.),Takeharu Takahashi, Yuta Matsukuma(Nittetsu Mining)
Jun 3, 10:40-11:00	3) Characteristics of SIP response for artificial specimen with sulfide minerals [Abstract] *Mi kyung Park, Samgyu Park(KIGAM)
Jun 3, 11:00-11:20	4) Application of resistivity and IP tomography for skarn deposit survey [Abstract] *Samgyu Park, Mi kyung Park, Jung ho Kim(KIGAM)
Jun 3, 11:20-11:40	5) Development of TEM data acquisition system for mineral exploration based on HTS-SQUID [Abstract] *Masaki Sugisaki, Kazuo Masuda, Eiichi Arai, Haruhisa Morozumi(JOGMEC)
Jun 3, 11:40-12:00	6) Inversion of Airborne ZTEM Data [Abstract] *Yutaka Sasaki(Kyushu Univ.),Myeong-jong Yi, Jihyang Choi(KIGAM),Akihiko Chiba(SRED)

Session	[Mineral Exploration2]
Chair	Takumi Ueda (AIST)

Jun 3, 13:00-13:20	7) Resolution of full waveform inversion in marine controlled-source electromagnetic exploration [Abstract] *Naoto Imamura, Tada-nori Goto, Junichi Takekawa, Hitoshi Mikada(Kyoto University)
Jun 3, 13:20-13:40	8) Resistivity survey of seafloor massive sulfide areas around Japan [Abstract] *Tada-nori Goto, Naoto Imamura, Yosuke Teranishi, Junichi Takekawa, Hitoshi Mikada(Kyoto Univ.),Takafumi Kasaya, Hideaki Machiyama, Koichi Iijima(JAMSTEC),Keizo Sayanagi(Tokai Univ.)
Jun 3, 13:40-14:00	9) 1-D inversion of MT method considering IP effect [Abstract] *Hideki Mizunaga(Kyushu University),Hiromu Nakamura(Kyushu University)
Jun 3, 14:00-14:20	10) Deconvolution for dispersion images in surface wave analysis [Abstract] *Tatsunori Ikeda, Toshifumi Matsuoka(Kyoto Univ.)
Jun 3, 14:20-14:40	11) Estimation of ultrasonic attenuation of unfrozen brine in partially frozen unconsolidated sediments saturated with brine [Abstract] *Jun Matsushima, Makoto Suzuki, Yshibumi Kato, Shuichi Rokugawa(Univ. of Tokyo)
Jun 3, 14:40-15:00	12) Estimation of Q value using seismic reflection data [Abstract] *Yasuto Shigei(Kyoto University),Takeshi Tsuji(Kyushu University),Toshifumi Matsuoka(Kyoto University),Michiharu Ikeda(Shikoku Research Institute INC.),Naoki Nishizaka, Yoshihiko Ishikawa(Shikoku Electric Power Company, Incorporated)

Session	[Seismic/Gravity etc]
Chair	Shinichi Takakura (AIST)

Jun 3, 15:20-15:40	13) A Latest InSAR algortihm for Surface Deformation Monitoring: SqueeSAR [Abstract] *Shigeki Kuzuoka(Satellite Business Network),Alessandro Ferretti, Fabrizio Novali(Tele-Rilevamento Europa (T.R.E.))
Jun 3, 15:40-16:00	14) Gravity variation resulting from thermal expansion: A proposal model in relation to thermal activity in Akita-Komagatake [Abstract] *Choro Kitsunezaki
Jun 3, 16:00-16:20	15) Partial saturation and seismic attenuation in CO2 geological storage [Abstract] *Hiroyuki Azuma, Ziqiu Xue(RITE)
Jun 3, 16:20-16:40	16) Working Model of New PS logging Probe for Large Bore Hole [Abstract] *Yasuhiro Yokota, Sadayoshi Ishii, Shumpei Tanaka, Masaru Toida, Mayuko Murakami(Kajima),Masakazu Kojima(Nihonchikatansa)
Jun 3, 16:40-17:00	17) Investigation of Salinity of groundwater at the alluvial plane near coastal area in Saijo-shi using CSAMT survey [Abstract] *Koichi Suzuki(CRIEPI),Kazuhiro Tanaka, Ryota Ochi(Yamaguchi University),Minoru Tokumasu(Saijo City Office),Kenji Kubota(CRIEPI)
Jun 3, 17:00-17:20	18) Monitoring of the Excavation Damaged Zone (EDZ) by geophysical methods during the test tunnel excavation at a depth of 140m and 250m [Abstract] *Kenji Kubota(CRIEPI),Keiji Kondo(JAEA),Junichi Sakakibara(JFE Civil)

June 3, Room No.2

Session	[Buried/Structure]
Chair	Kenji Okazaki (CERI)

Jun 3, 10:00-10:20	32) A small difference of permittivity observed in holographic radar image of dinosaur footprints. [Abstract] *Inagaki Masaharu(Walnut Ltd.),Bechtel Timothy(F & M College),Lorenzo Capineri(Firenze Univ.),Ivashov Sergey(Bauman T. Univ.),Windsor Colin
Jun 3, 10:20-10:40	33) A study on measurement inside structure of the wall with GB-SAR [Abstract] *Saika Okamura(Graduate School of Environmental Studies, Tohoku University),Kazunori Takahashi,, Motoyuki Sato(Center for Northeast Asian Studies, Tohoku University)
Jun 3, 10:40-11:00	34) Archaeological Survey by Array GPR for Disaster Rehabilitation [Abstract] *Motoyuki Sato, Kazunori Takahashi(Tohoku Univ.)
Jun 3, 11:00-11:20	35) Landmine Detection using Model Based Compressed Sensing with GPR System [Abstract] *Riafeni Karlina(Graduate School of Environmental Studies Tohoku University),Motoyuki Sato(Center for Northeast Asian Studies Tohoku University)
Jun 3, 11:20-11:40	36) Summary Report of Technical Survey on 3-Dimentional Ground Penetrating Radar systems for shallow subsurface exploration [Abstract] *Motoyuki Sato(Tohoku Univ.),Hideki Saito(SEG-J),Kazunori Takahashi(Tohoku Univ.),Toshiyuki Yokota(AIST),Kouichi Suzuki(CRIEPI)
Jun 3, 11:40-12:00	37) UXO detection by small loop TEM method [Abstract] *Shota Kukita, Hideki Mizunaga(Exploration Geophysics Lab, Kyushu Univ.)

Session	[Civil/Levee1]
Chair	Takaho Kita (TKOLI)

Jun 3, 13:00-13:20	38) Application of SSRT(Shallow Seismic Reflection survey for Tunnels) using tunnel excavating blast as a seismic source. [Abstract] *Katsuya Noda(JGI, Inc.),Hideyuki Murayama(Fujita Corporation),Takao Nibe, Kazuya Shiraishi, Yoshiaki Kawabe, Koji Ishikawa, Motonori Higashinaka, Akira Fujiwara(JGI, Inc.)
Jun 3, 13:20-13:40	39) Applicability of magnetic survey and its effect in tunnel geological investigation [Abstract] *Kenji Okazaki, Yoshihiko Ito(CERI)
Jun 3, 13:40-14:00	40) The inside cavity exploration in the embankment using microtremor array survey before and after injection of cement milks into the embankment [Abstract] *Ryouji Izunami, Takahiro Fukata, Taichi Kohma(West Japan Railway company)
Jun 3, 14:00-14:20	41) Geological structure of beachrock using electrical resistivity and surface wave surveys - Application to the coastal area at Yagaji island in Nago-shi, Okinawa - [Abstract] *Koichi Suzuki(CRIEPI),Satoru Kawasaki, Ryosuke Kubo(Hokkaido University),Shinji Yamaguchi(Nihon-Chika Tansa),Toshiro Hata(Nagano National College of technology)
Jun 3, 14:20-14:40	42) Estimation of change in salinity concentration for irrigation tank embankment damaged by the 2011 Tohoku tsunami [Abstract] *Kiyohito Yamamoto(Iwate university),Akira Kobayashi(Kansai university),Yoshiko Mutou, Koji Harashina, Eiichi Kurashima(Iwate university)
Jun 3, 14:40-15:00	43) Parameter study and preliminary field measurement for the characterization of pavement surface structure using GPR and high-frequency surface wave method. [Abstract] Kunio Aoike, *Tomio Inazaki(PWRI),Hideki Saito(Oyo Corp.)

Session	[Civil/Levee2]
Chair	Motoyuki Sato (Tohoku Univ.)

Jun 3, 15:20-15:40	44) Applicability of Surface Wave Method to Nondestructive Test for Paved Road [Abstract] *Takaho Kita(TKOLI),Tomio Inazaki(PWRI),Koichi Hayashi(Geometrics)
Jun 3, 15:40-16:00	45) Estimation of permeability of a river embankment with geophysical data [Abstract] *Toru Takahashi(Fukada Geological Institute),Tomio Inazaki(PWRI)
Jun 3, 16:00-16:20	46) Database of Integrated Geophysical Method for Levee Safety Assessment [Abstract] *Koichi Hayashi(Geometrics),Tomio Inazaki(Public Works Research Institute),Kaoru Kitao(CubeWorks),Takaho Kita(TK Ocean-Land Investigations)
Jun 3, 16:20-16:40	47) Statistical Estimation of Soil Type Using Cross-plots of S-wave Velocity and Resistivity in Levees [Abstract] *Koichi Hayashi(Geometrics),Tomio Inazaki(Public Works Research Institute),Kaoru Kitao(CubeWorks),Takaho Kita(TK Ocean-Land Investigations)
Jun 3, 16:40-17:00	48) Feasibility Studies of 2-D Linear Array Microtremore Survey for Levee Embankments [Abstract] *Takaho Kita(TKOLI),Tomio Inazaki(PWRI),Koichi Hayashi(Geometrics)
Jun 3, 17:00-17:20	49) Comparison of survey results of integrated geophysical measurements conducted before and after the excavation of a levee system. [Abstract] *Tomio Inazaki(PWRI),Takaho Kita(TK Ocean Land Inveatgation),Kei-ichiro Sakanishi(Mony Geophysical Prospecting)

June 3, Room No.3

Session	[Poster1]
Chair	Hiroomi Nakazato (NARO)

Jun 3, 17:20-18:50	P-1) Gravity Anomalies in the Kawamata District (Quadrangle Series 1:50,000), Fukushima Prefecture. [Abstract] *Yasuaki Murata, Masahiko Makino(GSJ, AIST)
Jun 3, 17:20-18:50	P-2) Three-Dimensional Inversion of Fluid Flow Electromagnetic Method. [Abstract] *Kenta Kuma, Hideki Mizunaga, Toshiaki Tanaka(Graduate School of Engineering, Kyushu Univ.)
Jun 3, 17:20-18:50	P-3) Development of the measurement system for the fluid flow electromagnetic method using a low-power wireless sensor network [Abstract] *Toshiaki Tanaka, Hideki Mizunaga(Kyushu Univ.)
Jun 3, 17:20-18:50	P-4) An evaluation of liquefaction risk using electrical survey method. [Abstract] *Motoharu Jinguuji(AIST),Koichi Nagao(SATO KOGYO)
Jun 3, 17:20-18:50	P-5) Self-potential inversion considering the relationship between permeability and streaming current coefficitnt [Abstract] *Yusuke Ozaki, Hitoshi Mikada, Tada-nori Goto, Junichi Takekawa(Kyoto University)

Session	[Poster2]
Chair	Shunichiro Ito (Suncoh Consultants)

Jun 3, 17:20-18:50	P-6) Natural earthquake tomography by use of neural network [Abstract] *Tomohisa Ishiyama, Yoshiya Oda(TMU)
Jun 3, 17:20-18:50	P-7) Spatio-temporal slip distribution of the 2011 off the Pacific Coast of Tohoku Earthquake using 3-D greens function [Abstract] *Satoru Fujihara, Kaoru Kawaji, Mariko Korenaga, Shinichi Akiyama(CTC)
Jun 3, 17:20-18:50	P-8) Inversion analysis of gravity anomaly for Pre-Neogene basement structure in Chuetsu-Area using the results of Wide-angle reflection and refraction surveys. [Abstract] *Motonori Higashinaka, Hideo Saito, Kazuya Shiraishi, Susumu Abe(JGI, Inc),Hidehisa Watanabe, Nobuhiko Shiga(MINDECO),Hiroshi Sato(ERI, U. of Tokyo)
Jun 3, 17:20-18:50	P-9) Examination of the subsurface structure classification based on microtremor observation [Abstract] *Shigeki Senna(NIED),Ikuo Cho, Tsutomu Nakazawa(AIST),Hiroyuki Fujiwara(NIED)

June 5, Room No.1

Session	[Earthquake]
Chair	Susumu Abe (JGI)

Jun 5, 10:00-10:20	19) Application of seismic interferometry to seismic data acquired by seafloor and subseafloor seismometers deployed in the Nankai Trough area [Abstract] *Toshinori Kimura(JAMSTEC),Hitoshi Mikada(Kyoto University),Eiichiro Araki, Kazuya Kitada(JAMSTEC)
Jun 5, 10:20-10:40	20) Variation of Crustal stress field inferred from seismic scattering [Abstract] *Kyosuke Okamoto, Hitoshi Mikada, Tada-nori Goto, Junichi Takekawa(Kyoto University)
Jun 5, 10:40-11:00	21) Investigation on wave-form separation by Indepedent Component Analysis(1) -Cocktail-party effect for synthetic waveforms mixed earthquake ground motion and railway-induced ground vibration- [Abstract] *Seiji Tsuno(RTRI)
Jun 5, 11:00-11:20	22) Investigation on wave-form separation by Indepedent Component Analysis (2)-Application to observation data of earthquake ground motion and railway-induced ground vibration- [Abstract] *Iwata Yuichi, Tsuno Seiji(Railway Technical Research Institute)
Jun 5, 11:20-11:40	23) A design method of digital filter which changes the frequency characteristics of geophones using bilinear s-z transform. [Abstract] *Kenji Ohta(OYOSI),Naoki Mikami(Polytech Univ.)
Jun 5, 11:40-12:00	24) Generation of long-period ground motions (2-20s) from Strong Motion Generation Areas (SMGAs) of the 2011 off the Pacific coast of Tohoku Earthquake [Abstract] *Susumu Kurahashi(Aichi Institute of Technology),Ken Miyakoshi(Geo-Research Institute),Kojiro Irikura(Aichi Institute of Technology)

Session	[Mineral Exploration3]
Chair	Toshinori Kimura (JAMSTEC)

Jun 5, 13:00-13:20	25) Elastic Full Waveform Inversion of Seismic Data in Frequency Domain [Abstract] *Hondori Ehsan, Hitoshi Mikada, Tada-nori Goto, Junichi Takekawa(Kyoto Univ.)
Jun 5, 13:20-13:40	26) A point-spread function based receiver array evaluation method designed for AE/microseismic monitoring [Abstract] *Naoshi Aoki, Eiichi Asakawa, Susumu Abe(JGI),Yusuke Kumano, Koji Kashihara, Kazuhiko Tezuka(JAPEX RC),Mamoru Takanashi(JOGMEC)
Jun 5, 13:40-14:00	27) Field observation and numerical study of seismic ACROSS toward hydrocarbon reservoir monitoring [Abstract] *Mamoru Takanashi, Ayato Kato(JOGMEC),Junzo Kasahara(Tokyo University of Marine Science and Technology),Yoko Hasada(Daiwa Tansa ltd),Kayoko Tsuruga(Tokyo University of Marine Science and Technology),Shinji Ito, Tomohiro Fujiwara(NTT Data CCS)
Jun 5, 14:00-14:20	28) Time lapse simulation for SAGD(Steam-Assisted Gravity Drainage) of JACOS (Japan Canada Oil Sands) assuming seismic ACROSS and 2D geophone array [Abstract] *Junzo Kasahara(Tokyo Univ. Mar. Sci. Tech.),Ayato Kato, Mamoru Takanashi(JOGMEC),Yoko Hasada(Daiwa Exp. & Consult.)
Jun 5, 14:20-14:40	29) Short distance observation using low frequency Seismic ACROSS (3.5-7.5Hz) in Mori [Abstract] *Junzo Kasahara, Kayoko Tsuruga(Tokyo Univ. Marine Sci. Tech.),Mamoru Takanashi, Ayato Kato(JOGMEC),Akio Katsumata, Yasuhiro Yoshida(Meteorologial Inst.,JMA),Yoko Hasada(Daiwa Expl. & Consultnt Co. Ltd.)
Jun 5, 14:40-15:00	30) Development of low frequency acoustic transducer for the submarine natural resources and their filed test at the shallow water bottom [Abstract] *Tsuruga Kayoko, Kasahara Junzo, Makino Daiki, Honjo Taiki(Tokyo Univ. Marine Sci. & Tech.),Hasada Yoko(Daiwa Exploration & Consulting Co. Ltd.),Kondo Hayato, Kondo Masaki(Tokyo Univ. Marine Sci. & Tech.)
Jun 5, 15:00-15:20	31) Hybrid optimization for prediction and suppression of long-period multiples [Abstract] *Susumu Abe, Ryuji Niiro, Shigeru Ino(JGI, Inc.)

June 5, Room No.2

Session	[Disaster Prevention2]
Chair	Naoyasu Iwata (RTRI)

Jun 5, 10:00-10:20	50) Seismic wavefield from the 3D seismic array data in the southeastern part of the Kyoto basin [Abstract] *Kunikazu Yoshida(Geo-Research Institute),Kimiyuki Asano, Tomotaka Iwata(Kyoto University)
Jun 5, 10:20-10:40	51) Deep and shallow S-wave velocity structures around the Tachikawa fault estimated from microtremor array explorations [Abstract] *Koichiro Saguchi, Kosuke Chimoto, Hiroaki Yamanaka(Tokyo Institute of Technology)
Jun 5, 10:40-11:00	52) Study on non-contact acoustic exploration method for non destructive inspection,-Study of Detection of the Crack Defect- [Abstract] *Tsuneyoshi Sugimoto, Ryo Akamatsu(Toin Univ. of Yokohama),Noriyuki Utagawa(Sato Kogyo Co., LTD),Kageyoshi Katakura(Meitoku Giken)
Jun 5, 11:00-11:20	53) Development of new simple resistivity equipment [Abstract] *Meguru Nishiyama(Waseda University),Keiko Nakayama(Research Institute for Science and Engineering, Waseda University),Akira Saito(Waseda University)
Jun 5, 11:20-11:40	54) Long-term resistivity monitoring in a slope of embankment: Influence of temperature on resistivity and its compensation [Abstract] *Shinichi Takakura, Mayumi Yoshioka(AIST),Tomohiro Ishizawa, Naoki Sakai(NIED),Youhei Uchida(AIST)
Jun 5, 11:40-12:00	55) Development and application of high speed resistivity profiling system using code division multiple current transmission. [Abstract] *Sugio Imamura(CTGK),Tomio Inazaki(PWRI),Takaho Kita(TKOLI),Keiichiro Sakanishi(MONY)

Session	[Disaster Prevention1]
Chair	Tsuneyoshi Sugimoto (Toin Univ. of Yokohama)

Jun 5, 13:00-13:20	56) Applicability of geophysical explorations on the effect of soil improvement of surface layers [Abstract] *Kosuke Chimoto, Hiroaki Yamanaka(Tokyo Tech.)
Jun 5, 13:20-13:40	57) Potential application of microtremor exploration using array with a reference station [Abstract] *Hiroaki Yamanaka, Kei Kato, Kosuke Chimoto(Tokyo Institute of Technology),Seiji Tsuno(Railway Technical Research Institute)
Jun 5, 13:40-14:00	58) Ultra-high density questionnaire seismic intensity survey and ground vibration characteristics by microtremor observations in Ichinoseki City of Iwate Prefecture, for the 2011 off the Pacific coast of Tohoku Earthquake and the aftershock occurred at April 7 in 2011 [Abstract] *Tomohiro Fujine, Hidekazu Yamamoto, Tsuyoshi Saito, Yoko Oda(Iwate University)
Jun 5, 14:00-14:20	59) Estimation of the Deep Part S-Wave Velocity Structure of the Nagaoka Plains Based on Seismic Observation Data [Abstract] *Suqun Ling(Geo-Analysis Institute),Yoshihiro Sawada, Shoutarou Sekine(Association for the Development of Earthquake Prediction)
Jun 5, 14:20-14:40	60) Characteristics of Love Wave Propagation during the 2011 Mt. Fuji Region Earthquake (Mj6.4) [Abstract] *Kentaro Kasamatsu(Kajima Technical Research Institute),Shin'ichi Sakai(the University of Tokyo)
Jun 5, 14:40-15:00	61) Estimation of continuous linear S-wave velocity structures and earthquake ground motions using H/V spectral ratio [Abstract] *Naoyasu Iwata, Seiji Tsuno, Shunroku Yamamoto, Shunta Noda, Yoshiaki Ito, Hiroyuki Miyakoshi(RTRI)

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