Personal information

Websites & social links

http://www.seis.nagoya-u.ac.jp/~sagiya/

Other IDs

Scopus Author ID: 6603715818
Researcher Name Resolver ID: 1000050362299

Keywords

crustal deformation, GNSS, earthquake cycle

Countries

Japan

Activities

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Employment (4)

Nagoya University: Nagoya, Aichi, JP

2012-01-01 to present | Professor (Disaster Mitigation Research Center)
Employment
Source: Self-asserted source
Takeshi Sagiya

Nagoya University: Nagoya, Aichi, JP

2008-01-01 to 2011-12-31 | Professor (Graduate School of Environmental Studies)
Employment
Source: Self-asserted source
Takeshi Sagiya

Nagoya University: Nagoya, Aichi, JP

2003-04-01 to 2007-12-31 | Associate Professor (Graduate School of Environmental Studies)
Employment
Source: Self-asserted source
Takeshi Sagiya

Geographical Survey Institute: Tsukuba, Ibaraki, JP

1990-04-01 to 2003-03-31
Employment
Source: Self-asserted source
Takeshi Sagiya

Education and qualifications (3)

The University of Tokyo: Tokyo, JP

1995-11-27 to 1995-11-27 | Doctor of Science (Department of Geophysics)
Education
Source: Self-asserted source
Takeshi Sagiya

The University of Tokyo: Tokyo, JP

1987-04-01 to 1989-03-31 | Master of Science (Department of Geophysics)
Education
Source: Self-asserted source
Takeshi Sagiya

The University of Tokyo: Tokyo, JP

1983-04-01 to 1987-03-31 | Bachelor of Science (Department of Geophysics)
Education
Source: Self-asserted source
Takeshi Sagiya

Professional activities (2)

Japan Geoscience Union: Tokyo, JP

2022-08-01 to 2024-07-31 | Committee Vice Chair (Global Strategy Committee)
Service
Source: check_circle
Japan Geoscience Union via ORCID Member Portal

Japan Geoscience Union: Tokyo, JP

2022-08-01 to 2024-07-31 | Committee Member (Environmental Hazard Countermeasures Committee)
Service
Source: check_circle
Japan Geoscience Union via ORCID Member Portal

Works (50 of 79)

Items per page:
Page 1 of 2

The Elusive Role of Aseismic Slip Along a Seaward Dipping Normal Fault in the Indirect Triggering of a Normal Faulting Earthquake Sequence in Northeast Japan Following the 2011 Tohoku‐Oki Megathrust

Journal of Geophysical Research: Solid Earth
2024-08 | Journal article
DOI: 10.1029/2024JB028903
Contributors: Yohai Magen; Asaf Inbal; Alon Ziv; Gidon Baer; Roland Bürgmann; Axel Periollat; Takeshi Sagiya
Source: check_circle
Crossref

The elusive role of aseismic slip along a seaward dipping normal fault in the indirect  triggering of a normal  faulting earthquake sequence in northeast Japan following the 2011 Tohoku-Oki megathrust                        

2024-05-28 | Preprint
DOI: 10.22541/essoar.170808515.59140221/v2
Contributors: Yohai Magen; Asaf Inbal; Alon Ziv; Gidon Baer; Roland Burgmann; Axel Periollat; Takeshi Sagiya
Source: check_circle
Crossref

The elusive role of a deep-seated low-angle normal fault activated by the Mw 9.0 Tohoku-Oki megathrust in the triggering of a normal faulting earthquake sequence in northeast Japan

2024-02-16 | Preprint
DOI: 10.22541/essoar.170808515.59140221/v1
Contributors: Yohai Magen; Asaf Inbal; Alon Ziv; Gidon Baer; Roland Burgmann; Axel Periollat; Takeshi Sagiya
Source: check_circle
Crossref

Geodetic and Geological Deformation of the Island Arc in Northeast Japan Revealed by the 2011 Tohoku Earthquake

Annual Review of Earth and Planetary Sciences
2022-05-31 | Journal article
DOI: 10.1146/annurev-earth-032320-074429
Part of ISSN: 0084-6597
Part of ISSN: 1545-4495
Contributors: Takeshi Sagiya
Source: Self-asserted source
Takeshi Sagiya

How Steady is Interseismic Crustal Deformation in Northeast Japan? Evidence From an Integrated Analysis of Centennial Geodetic Data

Journal of Geophysical Research: Solid Earth
2022-02 | Journal article
DOI: 10.1029/2021JB023100
Contributors: Angela Meneses‐Gutierrez; Paul Segall; Takeshi Sagiya
Source: check_circle
Crossref

Interplate coupling along the Caribbean coast of Colombia and its implications for seismic/tsunami hazards

Journal of South American Earth Sciences
2021-10 | Journal article
DOI: 10.1016/j.jsames.2021.103332
Contributors: Sindy Carolina Lizarazo; Takeshi Sagiya; Héctor Mora-Páez
Source: check_circle
Crossref

Detection of plastic strain using GNSS data of pre- and post-seismic deformation of the 2011 Tohoku-oki earthquake

Earth, Planets and Space
2020-12 | Journal article
DOI: 10.1186/s40623-020-1144-1
Part of ISSN: 1880-5981
Contributors: Takeshi Sagiya
Source: Self-asserted source
Takeshi Sagiya

Inelastic behavior and mechanical strength of the shallow upper crust controlled by layer-parallel slip in the high-strain zone of the Niigata region, Japan

Earth, Planets and Space
2020-12 | Journal article
DOI: 10.1186/s40623-020-01154-w
Contributors: Makoto Otsubo; Ikuo Katayama; Ayumu Miyakawa; Takeshi Sagiya
Source: check_circle
Crossref

Crustal Strain Rates in the Japan Islands: A Comprehensive Understanding of Geodetic and Geological/Geomorphological Data

Journal of Geography (Chigaku Zasshi)
2019-10-25 | Journal article
DOI: 10.5026/jgeography.128.689
Contributors: Takeshi SAGIYA; Makoto OTSUBO
Source: check_circle
Crossref

Crustal Deformation Process in the Mid-Niigata Region of the Niigata-Kobe Tectonic Zone as Observed by Dense GPS Network Before, During, and After the Tohoku-Oki Earthquake

Journal of Geophysical Research: Solid Earth
2018 | Journal article
DOI: 10.1029/2018JB015567
EID:

2-s2.0-85050457689
Contributors: Meneses-Gutierrez, A.; Sagiya, T.; Sekine, S.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier
grade
Preferred source (of 2)‎

Crustal dynamics: unified understanding of geodynamic processes at different time and length scales

Earth, Planets and Space
2018 | Journal article
DOI: 10.1186/s40623-018-0869-6
EID:

2-s2.0-85048715041
Contributors: Iio, Y.; Sibson, R.H.; Takeshita, T.; Sagiya, T.; Shibazaki, B.; Nakajima, T.J.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Interseismic crustal deformation in and around the Atotsugawa fault system, central Japan, detected by InSAR and GNSS

Earth, Planets and Space
2018 | Journal article
DOI: 10.1186/s40623-018-0801-0
EID:

2-s2.0-85042228673
Contributors: Takada, Y.; Sagiya, T.; Nishimura, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Topographic effects on crustal stress around the Atera Fault, central Japan

Earth, Planets and Space
2018 | Journal article
DOI: 10.1186/s40623-018-0961-y
EID:

2-s2.0-85057526522
Contributors: Kumagai, K.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Triangulation scale error caused by the 1894 Shonai earthquake: a possible cause of erroneous interpretation of seismic potential along the Japan Trench

Earth, Planets and Space
2018 | Journal article
DOI: 10.1186/s40623-018-0890-9
EID:

2-s2.0-85049977593
Contributors: Sagiya, T.; Matta, N.; Ohta, Y.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier
grade
Preferred source (of 2)‎

Intraplate Strike‐Slip Faulting, Stress Accumulation, and Shear Localization of a Crust‐Upper Mantle System With Nonlinear Viscoelastic Material

Journal of Geophysical Research: Solid Earth
2018-10 | Journal article
DOI: 10.1029/2018JB016421
Contributors: Xuelei Zhang; Takeshi Sagiya
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Paradoxical vertical crustal movement along the pacific coast of Northeast Japan

International Association of Geodesy Symposia
2017 | Conference paper
DOI: 10.1007/1345_2015_189
EID:

2-s2.0-85009799944
Contributors: Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Shear strain concentration mechanism in the lower crust below an intraplate strike-slip fault based on rheological laws of rocks Crustal Dynamics: Unified Understanding of Geodynamics Processes at Different Time and Length Scales Yoshihisa Iio, Richard H. Sibson, Toru Takeshita, Takeshi Sagiya, Bunichiro Shibazaki and Junichi Nakajima 6. Geodesy

Earth, Planets and Space
2017 | Journal article
DOI: 10.1186/s40623-017-0668-5
EID:

2-s2.0-85021234003
Contributors: Zhang, X.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Persistent inelastic deformation in central Japan revealed by GPS observation before and after the Tohoku-oki earthquake

Earth and Planetary Science Letters
2016 | Journal article
DOI: 10.1016/j.epsl.2016.06.055
EID:

2-s2.0-84978224847
Contributors: Meneses-Gutierrez, A.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Stress accumulation process in and around the Atotsugawa fault, central Japan, estimated from focal mechanism analysis

Tectonophysics
2016 | Journal article
DOI: 10.1016/j.tecto.2016.05.013
EID:

2-s2.0-84969941380
Contributors: Takada, Y.; Katsumata, K.; Katao, H.; Kosuga, M.; Iio, Y.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Reply to comment from Blanco et al. (2015) on “Evidence from acoustic imaging for submarine volcanic activity in 2012 off the west coast of El Hierro (Canary Islands, Spain) by Pérez et al. [Bull. Volcanol. (2014), 76:882–896]

Bulletin of Volcanology
2015 | Journal article
DOI: 10.1007/s00445-015-0948-5
EID:

2-s2.0-84933046470
Contributors: Pérez, N.M.; Somoza, L.; Hernández, P.A.; de Vallejo, L.G.; León, R.; Sagiya, T.; Biain, A.; González, F.J.; Medialdea, T.; Barrancos, J. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

A comprehensive model of postseismic deformation of the 2004 Sumatra-Andaman earthquake deduced from GPS observations in northern Sumatra

Journal of Asian Earth Sciences
2014 | Journal article
DOI: 10.1016/j.jseaes.2014.03.016
EID:

2-s2.0-84898775851
Contributors: Gunawan, E.; Sagiya, T.; Ito, T.; Kimata, F.; Tabei, T.; Ohta, Y.; Meilano, I.; Abidin, H.Z.; Agustan; Nurdin, I. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Evidence from acoustic imaging for submarine volcanic activity in 2012 off the west coast of El Hierro (Canary Islands, Spain)

Bulletin of Volcanology
2014 | Journal article
DOI: 10.1007/s00445-014-0882-y
EID:

2-s2.0-84912525176
Contributors: Pérez, N.M.; Somoza, L.; Hernández, P.A.; De Vallejo, L.G.; León, R.; Sagiya, T.; Biain, A.; González, F.J.; Medialdea, T.; Barrancos, J. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Global positioning system (GPS) and GPS-acoustic observations: Insight into slip along the subduction zones around Japan

Annual Review of Earth and Planetary Sciences
2014 | Book
DOI: 10.1146/annurev-earth-060313-054614
EID:

2-s2.0-84902128000
Contributors: Nishimura, T.; Sato, M.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Interplate coupling model off the southwestern coast of Java, Indonesia, based on continuous GPS data in 2008-2010

Earth and Planetary Science Letters
2014 | Journal article
DOI: 10.1016/j.epsl.2014.06.010
EID:

2-s2.0-84902982594
Contributors: Hanifa, N.R.; Sagiya, T.; Kimata, F.; Efendi, J.; Abidin, H.Z.; Meilano, I.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Biased geodetic inference on asperity distribution on a subducted plate interface: A quantitative study

Earth, Planets and Space
2013 | Journal article
DOI: 10.5047/eps.2012.08.008
EID:

2-s2.0-84880466518
Contributors: Hirai, T.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Contemporary horizontal crustal movement estimation for northwestern Vietnam inferred from repeated GPS measurements

Earth, Planets and Space
2013 | Journal article
DOI: 10.5047/eps.2013.09.010
EID:

2-s2.0-84896513595
Contributors: Duong, N.A.; Sagiya, T.; Kimata, F.; To, T.D.; Hai, V.Q.; Cong, D.C.; Binh, N.X.; Xuyen, N.D.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Crustal deformation of the mid niigata region derived from gps measurements associated with the 2004 chuetsu, the 2007 Chuetsu-oki, and the 2011 M w 9.0 Tohoku-oki Earthquakes

Bulletin of the International Institute of Seismology and Earthquake Engineering
2013 | Journal article
EID:

2-s2.0-84875723078
Contributors: Safarov, R.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Introduction to the Special Issue on the 2011 Tohoku earthquake and Tsunami

Bulletin of the Seismological Society of America
2013 | Journal article
DOI: 10.1785/0120130001
EID:

2-s2.0-84877277524
Contributors: Lay, T.; Fujii, Y.; Geist, E.; Koketsu, K.; Rubinstein, J.; Sagiya, T.; Simons, M.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Report of the 2013 IAG Scientific Assembly

Journal of the Geodetic Society of Japan
2013 | Journal article
EID:

2-s2.0-84898857612
Contributors: Heki, K.; Linuma, T.; Ichikawa, R.; Ohta, Y.; Otsubo, T.; Sagiya, T.; Shimada, S.; Hashimoto, M.; Fukushima, T.; Fukuda, Y. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Report of the XXV general assemblies of IUGG and IAG in melbourne

Journal of the Geodetic Society of Japan
2012 | Journal article
EID:

2-s2.0-84863191307
Contributors: Shuhei, O.; Seiichi, S.; Yoichi, F.; Yuichi, A.; Takuya, N.; Manabu, H.; Takeshi, S.; Ryuichi, I.; Kosuke, H.; Yoshiyuki, T. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Slip distribution of the 2011 off the Pacific coast of Tohoku Earthquake inferred from geodetic data

Earth, Planets and Space
2011 | Journal article
DOI: 10.5047/eps.2011.06.023
EID:

2-s2.0-80054761218
Contributors: Ito, T.; Ozawa, K.; Watanabe, T.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Strain accumulation process around the Atotsugawa fault system in the Niigata-Kobe Tectonic Zone, central Japan

Geophysical Journal International
2011 | Journal article
DOI: 10.1111/j.1365-246X.2010.04876.x
EID:

2-s2.0-79951568077
Contributors: Ohzono, M.; Sagiya, T.; Hirahara, K.; Hashimoto, M.; Takeuchi, A.; Hoso, Y.; Wada, Y.; Onoue, K.; Ohya, F.; Doke, R.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Rebuilding seismology

Nature
2011-05 | Magazine article
DOI: 10.1038/473146a
Part of ISSN: 0028-0836
Part of ISSN: 1476-4687
Contributors: Takeshi Sagiya
Source: Self-asserted source
Takeshi Sagiya

Spatio-temporal distribution of magma intrusions inducing repeated earthquake swarms off the east coast of the Izu peninsula, central Japan, for 1973-1998

Journal of Volcanology and Geothermal Research
2010 | Journal article
DOI: 10.1016/j.jvolgeores.2010.03.001
EID:

2-s2.0-77952601198
Contributors: Murase, M.; Ito, T.; Hayashi, Y.; Sagiya, T.; Kimata, F.; Watanabe, H.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Aseismic slow slip on an inland active fault triggered by a nearby shallow event, the 2008 Iwate-Miyagi Nairiku earthquake (Mw6.8)

Geophysical Research Letters
2009 | Journal article
DOI: 10.1029/2009GL040063
EID:

2-s2.0-72149115415
Contributors: Iinuma, T.; Ohzono, M.; Ohta, Y.; Miura, S.; Kasahara, M.; Takahashi, H.; Sagiya, T.; Matsushima, T.; Nakao, S.; Ueki, S. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

High resolution mapping of Earth tide response based on GPS data in Japan

Journal of Geodynamics
2009 | Journal article
DOI: 10.1016/j.jog.2009.09.012
EID:

2-s2.0-72049083984
Contributors: Ito, T.; Okubo, M.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Interplate seismogenic zones along the Kuril-Japan trench inferred from GPS data inversion

Nature Geoscience
2009 | Journal article
DOI: 10.1038/ngeo421
EID:

2-s2.0-65349124166
Contributors: Hashimoto, C.; Noda, A.; Sagiya, T.; Matsu'Ura, M.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Numerical modeling of the 2006 Java tsunami earthquake

Advances in Geosciences: Volume 13: Solid Earth (SE)
2009 | Book
Part of DOI: 10.1142/9789812836182_0016
EID:

2-s2.0-84969593658
Contributors: Hanifa, N.R.; Meilano, I.; Sagiya, T.; Kimata, F.; Abidin, H.Z.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Coseismic and postseismic deformation related to the 2007 Chuetsu-oki, Niigata Earthquake

Earth, Planets and Space
2008 | Journal article
DOI: 10.1186/BF03353140
EID:

2-s2.0-57949101230
Contributors: Ohta, Y.; Miura, S.; Iinuma, T.; Tachibana, K.; Matsushima, T.; Takahashi, H.; Sagiya, T.; Ito, T.; Miyazaki, S.; Doke, R. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

ICDP workshop on borehole monitoring at the Nankai subduction zone: Building a land-ocean borehole network to study the seismogenic zone

Scientific Drilling
2008 | Journal article
DOI: 10.2204/lodp.sd.6.13.2008
EID:

2-s2.0-78651586351
Contributors: Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Long-baseline quasi-real time kinematic GPS data analysis for early tsunami warning

Earth, Planets and Space
2008 | Journal article
DOI: 10.1186/BF03352877
EID:

2-s2.0-59249102760
Contributors: Daud, M.E.; Sagiya, T.; Kimata, F.; Kato, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Postseismic slip associated with the 2007 Chuetsu-oki, Niigata, Japan, Earthquake (M 6.8 on 16 July 2007) as inferred from GPS data

Earth, Planets and Space
2008 | Journal article
DOI: 10.1186/BF03353141
EID:

2-s2.0-57949113031
Contributors: Iinuma, T.; Ohta, Y.; Miura, S.; Tachibana, K.; Matsushima, T.; Takahashi, H.; Sagiya, T.; Ito, T.; Miyazaki, S.; Doke, R. et al.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Crustal block kinematics and seismic potential of the northernmost Philippine Sea plate and Izu icroplate, central Japan, inferred from GPS and leveling data

Journal of Geophysical Research: Solid Earth
2007 | Journal article
DOI: 10.1029/2005JB004102
EID:

2-s2.0-34848905852
Contributors: Nishimura, T.; Sagiya, T.; Stein, R.S.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Report on the XXIV general assemblies of IUGG and IAG in Perugia

Journal of the Geodetic Society of Japan
2007 | Journal article
EID:

2-s2.0-56349086014
Contributors: Okubo, S.; Shimada, S.; Fukuda, Y.; Tamura, Y.; Munekane, H.; Furuya, M.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Assessment of the long-term stability of the PPP kinematic GPS

Journal of the Geodetic Society of Japan
2006 | Journal article
EID:

2-s2.0-34250305011
Contributors: Ohta, Y.; Sagiya, T.; Kimata, F.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Crustal movement of Antarctica and Syowa Station based on GPS measurements

Earth, Planets and Space
2006 | Journal article
DOI: 10.1186/BF03351984
EID:

2-s2.0-55349084041
Contributors: Ohzono, M.; Tabei, T.; Doi, K.; Shibuya, K.; Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Large surface wave of the 2004 Sumatra-Andaman earthquake captured by the very long baseline kinematic analysis of 1-Hz GPS data

Earth, Planets and Space
2006 | Journal article
DOI: 10.1186/BF03353372
EID:

2-s2.0-33645795239
Contributors: Ohta, Y.; Meilano, I.; Sagiya, T.; Kimata, F.; Hirahara, K.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

Earth, Planets and Space: Preface

Earth, Planets and Space
2005 | Journal article
DOI: 10.1186/BF03351869
EID:

2-s2.0-84919924931
Contributors: Sagiya, T.; Fujii, N.; Kimata, F.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

A comprehensive model of the deformation process in the Nagamachi-Rifu Fault Zone

Earth, Planets and Space
2004 | Journal article
DOI: 10.1186/BF03353359
EID:

2-s2.0-20544473518
Contributors: Iio, Y.; Sagiya, T.; Umino, N.; Nishimura, T.; Takahashi, K.; Homma, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier

A decade of GEONET: 1994-2003 - The continuous GPS observation in Japan and its impact on earthquake studies -

Earth, Planets and Space
2004 | Journal article
DOI: 10.1186/BF03353077
EID:

2-s2.0-20544464078
Contributors: Sagiya, T.
Source: Self-asserted source
Takeshi Sagiya via Scopus - Elsevier
Items per page:
Page 1 of 2

Peer review (18 reviews for 7 publications/grants)

Review activity for Earth, planets and space. (7)
Review activity for Geophysical research letters. (1)
Review activity for Journal of geophysical research. (4)
Review activity for Nature communications (1)
Review activity for Physics and chemistry of the earth. (1)
Review activity for Progress in earth and planetary science. (1)
Review activity for Tectonophysics. (3)
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