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Academic OrganizationAcademic Assembly School of Science and Technology Institute of ScienceTEL
Education and Research OrganizationFaculty of Science Department of ScienceFAX
PositionProfessorMail Address
Address3-1-1 Asahi, Matsumoto, 390-8621, Nagano, JapanWeb site



Assigned Class
Graduate School, Division of Science and Technology
Interdisciplinary Graduate School of Science and Technology
Research Field
Sedimentary Geology (siliciclastic facies analysis and sequence stratigraphy)
Keywords:Sedimentology , Sedimentary geology , Sequence stratigraphy , Sea level change , IODP (Integrated Ocean Drilling Program) , Earth environment change
Current Subject
Study of relationship amaong sedimentary environment, sea level change and climate chanege

Study of organic matter in the sediment ant its relation to environmental change

Study of relationship between foramation of hydrocarbon resources and ancient environmental change

Sedimentology of tsunami and flood deposits

Academic Societies
Academic Societies
Geological Society of America
Geological Society of Japan
Sedimentological Society of Japan
Japanese Association fro Petroleum Technology
Japanese Geomorphological Union
Association for the Geological Collaboration in Japan
International Association of Sedimentologists
SEPM,Society for Sedimentary Geology
American Geophysical Union

Committee of Academic Societies
2014- , SEPM,Society for Sedimentary Geology , Ambassador of Japan
2007- , The Sedimentological Society of Japan , Editor in Chief of The Journal of Sedimetological Society of Japan
Geological Society of Japan , Executive Director
Academic Background
Graduate School
Hokkaido University , (Graduate School, Division of Natural Science) , 1987

Hokkaido University , (Faculty of Science) , 1981

Doctor of Science


Books, Articles, etc.
Canterbury Basin Sea Level
Integrated Ocean Drilling Program Management International, Inc. , Proc. IODP , 317 2011
Author:Fulthorpe, C.S., Hoyanagi, K., Blum, P., and the Expedition 317 Scientists

Canterbury Basin Sea Level: Global and local controls on continental margin stratigraphy.
Integrated Ocean Drilling Program Management International, Inc , IODP Prel. Rept. , 317 2010
Author:Expedition 317 Scientists

Global and local controls on continental margin stratigraphy: Canterbury Basin, eastern South Island, New Zealand.
Integrated Ocean Drilling Program Management International, Inc , IODP Sci. Prosp , 317 2008
Author:Fulthorpe, C.S., Hoyanagi, K., and Geldmacher, J

Continuing the New Jersey Mid-Atlantic sea-level transect. Covering Leg 174A of the cruises of the Drilling Vessel JOIDES Resolution, Halifax, Nova Scotia, to New York, New York, Site1071-1073.
Proceedings of the Ocean Drilling Program, Initial Reports, 174A, 1998
Author:Austin,J.A., Christie-Blick,N.,Malone,M.J., Hoyanagi,K. et al.

Data report: Revised Pleistocene age model based on a modified nannofossil bioevent and additional measurements of benthic foraminiferal oxygen and stable carbon isotope ratios from Hole U1352B, offshore Canterbury Basin, New Zealand
Proc. IODP,317 2018
Author:Hoyanagi, K., Tanaka, Y., Takeuchi, T., Ikehara, M., Utsunomiya, M., Blum, P., McHugh C.M., Fulthorpe, C.S.

Formation processes of tsunami deposits following the 2011 Tohoku-oki earthquake in the estuary of Odaka District, Minamisoma City, Fukushima Prefecture, northeast Japan
,76(1):3-16 2017
Author:Oota, K., Ishizawa, T., Hoyanagi, K.

The sedimentary imprint of Pleistocene glacio-eustasy:Implications for global correlations of seismic sequences
Geosphere,14(1):265-285 2017
Author:McHugh, C.M., Fulthorpe, C.S., Hoyanagi, K., Blum, P, Mountain, G.S., Miler K.G.

Data report: temporal change in fossil ostracode assemblages in the Pliocene–Holocene strata of the shelf IODP Site U1354, off the eastern coast of New Zealand
Proc. IODP,317 2015
Author:Nakamura, M., Kusunoki, S., Yamada, K. and Hoyanagi, K.

Data report: Oxygen and stable carbon isotope ratios of foraminifera Nonionella flemingi and their application for age model in the upper 550 m of Hole U1352B, offshore New Zealand
Proc. IODP,317 2014
Author:Hoyanagi, K., Kawagata, S., Koto, S., Kamihashi, T. and Ikehara, M.

Deep-sea turbidite evidence on there ocurrence of large earthquakes off Shakotan Peninsula, northeastern Japan Sea
Advances in Natural and Technological Hazards Research,37:639-647 2014
Author:Ikehara, K.,Itaki, T., TuZuino, T. and Hoyanagi, K.

High-resolution sequence stratigraphy in incised-valley system: Tatsunokuchi Formation, Northeast Japan
Jour. Sediment. Soc. Japan,70(2):63-79 2011
Author:Mamiko Yoshida, Hirobumi Inoue, Koichi Hoyanagi (corresponding author), Yukio Yanagisawa, Masayuki Oishi and Hiroo Yoshida

IODP Expedition 317: Exploring the Record of Sea-Level Change Off New Zealand
Science Drilling,(12):4-14 2011
Author:Craig S. Fulthorpe, Koichi Hoyanagi, Peter Blum, and IODP Expedition 317 Scientists

Occurrence conditions of hyperpycnal flows, and their significance for organic-matter sedimentation in a Holocene estuary, Niigata Plain, Central Japan
Island Arc,18 2009
Author:Yoshida, M., Yoshiuchi, Y. and Hoyanagi

Sequence stratigraphy and organic matter preservation of the Miocene to Pliocene Tatsunokuchi Formation, Iwate, Northeast Japan
Jour. Sediment. Soc. Japan,(64):21-26 2007
Author:Yoshida M., Hoyanagi K., Kondo H., Inoue H.,Oishi M., Yoshida H. and Yanagisawa Y.

Sedimentation and preservation of organic matter in a Holocene estuary, Examples from the Niigata Plain, central Japan.
Sepcial Publ.,(85):99-115 2006
Author:Akiko Omura, Koichi Hoyanagi, Mamiko Yoshida, Azusa Yamazaki, Miyuki Yamagisi and Atsushi Urabe

Effect of environmental changes on origin and composition of organic matter, examples from the Pleistocene sediments in the Choshi Core, Boso Peninsula
Island Arc,15:355-365 2006
Author:Akiko Omura, Koichi Hoyanagi and Satoko Ishikawa

Relationships between organic matter composition, depositional environments and sea-level changes in backarc basins, central Japan
Jour. Sedimentary Research,74(40):620-630 2004(Sep.)
Author:Akiko Omura and Koichi Hoyanagi

Stratigraphy of the late Cenozoic strata in the Akan area: with special emphasis on significance of the lower Miocene in the eastern Hokkaido, northern Japan.
Jour, Geol. Soc. Japa,(40) 2004(Jan.)
Author:Akiko Urabe and Koichi Hoyanagi

Provenance of Miocene sandstones in the Northern Fossa Maguna, Nagano Prefecture, central Japan.
Development of Tertiary Sedimentary Basin around Japan Sea, proceedings of Japan-Korea joint workshop in Niigata,:79-85 2002(Mar.)
Author:Koichi Hoyanagi and Tomohiro Uno

Sedimentary organic matter for environmental analysis; examples from the muddy sediments of the Miocene to Pleistocene Niigata sedimentary basin in Japan.
Development of Tertiary Sedimentary Basin around Japan Sea, proceedings of Japan-Korea joint workshop in Niigata,(52):101-106 2002(Mar.)
Author:Akiko Omura and Koichi Hoyanagi

Data Report: Grain-size analysis of Pleistocene cores from ODP Sites 1071, 1072 and 1073, New Jersey Margin
Proc. Ocean Drilling Program, Scientific Results, 174A,:1-18(on line) 2001
Author:Koichi Hoyanagi and Akiko Omura

Modeling shore-normal large-scale coastal evolution
Marine Geology,126(1-4):181-199 1995
Author:Niedoroda, N.W., Reed, C.W., Swift, D.J.P., Arato, H., and Hoyanagi, K.

Slope-shelf-nearshore depositional sequences with transgressive conglomerate in a Miocene backarc and arc-junction setting, central Japan
Sedimentary Geology,93(3-4):247-260 1994(Nov.)
Author:Hoyanagi, K. and Nishimura, M

Coarse-grained turbidite caused from the Miocene collision event in the central Hokkaido, Japan
Sedimentary Facies in the Active Plate Margin,(31):689-709 1989
Author:Koichi Hoyanagi

Channel-fill conglomerates in the Middle Miocene Kotambets Formation, orthern Hokkaido, Japan
Jour. Facul. Scie. Hokkaido Univ. IV.,22(31):277-296 1987(Aug.)
Author:Koichi Hoyanagi


Resorce geology II (Hydrocarbon resources)
Introduction of Geology
Elementary practice of geology
Experiment in sedimentology and paleontology
Colloquium I
Scientific English II
Introduction to Earth Science II
Introduction to Green Science II
Sequence stratigraphy
Stratigraphic sequence analysis