Takaya Iwasaki

Affiliation and department：
Job title： Senior Research Advisor

Research field (1)： Solid earth science

Research keywords (5)： island arc structure , seismic reflection method , refraction and wide-angle reflection method , crust and uppermantle structure , controlled source seismology

Research theme for competitive and other funds (35)：

2015 - 2019 統合波形解析法によるプレート境界構造精密推定とプレート間運動特性の構造要因の解明
2014 - 2019 日本列島の基本構造モデルの構築
2011 - 2014 Integrated seismic experiments with active and passive sources for revealing the crustal structure of the collision / subduction transition zone on the northwestern border of the Izu arc
2011 - 2014 Study on slip property of the slow earthquake source region in the transition zone on the subducting plate interface
2009 - 2014 濃尾地震震源域の総合集中観測

2009 - 2012 巨大震源断層の特性を探る:ニュージーランド北島の構造探査

2009 - 2012 神縄ー国府津断層帯における重点的調査観測

2005 - 2010 糸魚川-静岡構造線断層帯における重点的調査観測

2008 - 2010 Research on active tectonics in central Japan based on integrated seismic experiments with long shot- and receiver- offsets

2007 - 2009 2007年新潟県中越沖地震に関する総合調査

2007 - 2009 屈折法・反射法データ統合処理による新しい地殻構造イメージング法の開発

2004 - 2009 跡津川断層域合同観測

2005 - 2006 Late Cenozoic basin inversion of Northern Honshu, Japan : quantitative analysis of horizontal strain

2003 - 2006 Construction of a standard velocity structural madel and a standard wave propagation madel in Japan

2002 - 2005 糸魚川-静岡構造線断層帯におけるパイロット的な重点的調査観測

2003 - 2005 Integrated seismic exploration in the collision plate boundary of Taiwan

2003 - 2004 Scattering study and formation process of uppermost mantle at the island arc

1998 - 2001 北海道日高衝突帯構造探査

2000 - 2001 Research on the crustal deformation and its processes of northern Honshu, Japan, based on seismic profiling

2000 - 2001 Super-deep seismic reflection study in growth of continental crust beneath the Hidaka Collision Zone, Hokkaido

1998 - 2000 北海道中軸部・衝突帯の形成と地殻再編過程

1997 - 1999 海陸統合東北日本弧地殻・上部マントル構造

1997 - 1999 DETAILED STUDIES ON THE STRUCTURE OF MID ATLANTIC RIDGE

1997 - 1998 反射法地震探査を軸とした北海道中央部の地殻短縮速度の解明

1995 - 1997 DEVELOPMENT OF NORTHERN FOSSA MAGNA AND ACTIVE TECTONICS

1990 - 1996 人工震源を用いた日本列島地殻構造探査

1996 - 1996 Volcanic Earthquakes and Tremor at Kilauea Volcano : Source Mechanisim in Relation to Volcano Structure Eruptive Processes

1994 - 1996 Standardization of Scientific Terms in Seismology

1994 - 1996 Ocean Bottom Seismographic Survey of the Earthquake Swarm which occur beneath Mid Atlantic Ridge.

1994 - 1994 海底観測の準リアルタイム化のための超音波高速通信手法の開発

1990 - 1991 Seismographic array observation in and around Iceland by use of ocean bottom seismographs and land seismometers.

1988 - 1989 広帯域グロ-バル海底地震観測網のための海底地震計システム

1988 - 1989 RESEARCH OF DETAILED STRUCTURE BENEATH ICELANDIC PLATEAU BY USE OF OCEAN BOTTOM SEISMOGRAPHS, WITH A COOPERATION BETWEEN JAPAN AND NORWAY

1988 - 1988 活動縁辺域における地殼及び上部マントルのS波速度構造

1987 - 1987 日本ノルウェー共同海底地震観測によるアイスランド・プラトーの精密地下構造調査(予備調査)

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Papers (153)：

Tanio ITO, Ken'ichi KANO, Go SATO, Akira FUJIWARA, Toshiki WATANABE, Motonori HIGASHINAKA, Susumu ABE, Shintaro ABE, Noriko TSUMURA, Genjyu YAMAMOTO, et al. Three-dimensional Structure of the Omiya and the Iriyamase Faults and Its Formation Process, the Eastern Margin of the Fujikawa-kako Fault Zone, the Northwestern Border of the Izu Collision Zone, Central Japan: Outcomes of the Multi-line Integrated Seismic Exploration in the Hoshiyama Hills. Journal of Geography (Chigaku Zasshi). 2024
Yoshihisa Iio, Satoshi Matsumoto, Yusuke Yamashita, Shin'ichi Sakai, Kazuhide Tomisaka, Masayo Sawada, Takashi Iidaka, Takaya Iwasaki, Megumi Kamizono, Hiroshi Katao, et al. Spatial change in differential stress magnitudes around the source fault before intraplate earthquakes. Geophysical Journal International. 2022. 233. 2. 1279-1295
SATO Hiroshi, Abe Susumu, Matsubara Makoto, Ishiyama Tatsuya, Kato Naoko, Kurashimo Eiji, Iwasaki Takaya, Hirata Naoshi. Characterization of the crust and mantle structure beneath the Kanto region, Japan. Annual Meeting of the Geological Society of Japan. 2022. 2022. 4
Yoshihisa Iio, Satoshi Matsumoto, Yusuke Yamashita, Shin’ichi Sakai, Kazuhide Tomisaka, Masayo Sawada, Takashi Iidaka, Takaya Iwasaki, Megumi Kamizono, Hiroshi Katao, et al. Stress relaxation arrested the mainshock rupture of the 2016 Central Tottori earthquake. Communications Earth & Environment. 2021. 2. 1
Eiji Kurashimo, Takaya Iwasaki, Noriko Tsumura, Takashi Iidaka. The Role of Fluid-Related Heterogeneous Structures in Controlling the Fault Slip Behavior in the Slow-Earthquake Source Region Along the Nankai Subduction Zone, Southwest Japan. Geophysical Research Letters. 2021. 48. 4

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MISC (34)：

藤原明, 渡辺俊樹, 東中基倫, 阿部進, 伊藤谷生, 狩野謙一, 佐藤剛, 阿部信太郎, 津村紀子, 岩崎貴哉, et al. Crustal Structure of the Northwestern Border of the Izu Collision Zone from the Fujikawa-kako Fault Zone to the Itoigawa-Shizuoka Tectonic Line, Central Japan: Outcomes of Integrated Seismic Exploration FIST2012. 地学雑誌. 2024. 133. 1
岩﨑貴哉, 伊藤谷生, 津村紀子, 在田一則, 松原誠. 北海道中軸部の島弧 : 島弧衝突構造と2018年北海道胆振東部地震. 地震ジャーナル. 2019. 67. 1-9
佐藤比呂志, 石山達也, 加藤直子, 岩崎貴哉, 清水英彦, 川崎慎治, 阿部進, 横井悟, 佐藤壮, 野徹雄, et al. 北海道南西部における深部反射法地震探査の成果. 日本地震学会秋季大会講演予稿集(CD-ROM). 2018. 2018
佐藤比呂志, 岩崎貴哉, 阿部進, 石山達也, 平田直. 2009年相模トラフ横断地殻構造探査. 日本地質学会学術大会講演要旨. 2010. 117th. 110-110
佐藤比呂志, 阿部進, 河合展夫, 加藤直子, 岩崎貴哉, 石山達也, 斉藤秀雄, 白石和也, 稲葉充, 深澤光. ひずみ集中帯地殻構造探査・三条-弥彦測線の成果. 地球. 2010. 32. 7. 403-410

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Books (5)：

図説地球科学の事典
2018
平成19年(2007年)新潟県中越沖地震(2007年7月26日,M6.8)
地震予知連絡会編、「地震予知連絡会40年のあゆみ」,国土地理院 2009
Deep geometry and evolution of active reverse faults in northern Japan, in Seismotectonics in Convergent Plate Boundary
Seismotectonics in Convergent Plate Boundary, Eds. Y. Fujinawa and A. Yoshida, TERRAPUB , Tokyo 2002
New features of island arc crust inferred from seismic refraction/wide-angle reflection expeditions in Japan
Seismotectonics in Convergent Plate Boundary, Eds. Y. Fujinawa and A. Yoshida, TERRAPUB , Tokyo 2002
文部省地震学用語集地震学編(増訂版)
日本学術振興会 2000

Lectures and oral presentations (114)：

019年海陸統合地震探査による東北日本弧中部の地殻・上部マントル構造 -III
(日本地震学会2022年度秋季大会 2022)
Seismic structure from the forearc region off Miyagi to the central part of Northern Honshu arc, Japan, revealed by onshore-offshore seismic experiment -II
(2022)
2019年海陸統合地震探査による東北日本弧中部の地殻・上部マントル構造 -II
(日本地球惑星科学連合2022大会 2022)
2019年海陸統合地震探査による東北日本弧中部の地殻・上部マントル構造
(日本地震学会2021年度秋季大会 2021)
Seismic structure from the forearc region off Miyagi to the central part of Northern Honshu arc, Japan, revealed by onshore-offshore seismic experiment

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Professional career (1)：

Ph.D. (The University of Tokyo)

Work history (4)：

2019/04 - 現在 Association for the Development of Earthquake Prediction Research Division for Earthquake and Disaster Mitigation Senior Research Advisor
1998/04 - 2019/03 The University of Tokyo Earthquake Research Institute Associate Professor
1990/04 - 1998/03 the University of Tokyo Earthquake Research Institute Associate Professor
1982/04 - 1990/03 Hokkaido University Laboratory for Ocean Bottom Seismology, Faculty of Science Research Associate

Association Membership(s) (2)：

JAPAN GEOSCIENCE UNION , THE SEISMOLOGICAL SOCIETY OF JAPAN

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