Doctor of Science

Solid earth sciences, Sedimentary Geology (siliciclastic facies analysis and sequence stratigraphy)

1987, Hokkaido University, Graduate School, Division of Natural Science

1981, Hokkaido University, Faculty of Science

2014
Ambassador of Japan, SEPM,Society for Sedimentary Geology

2007
Editor in Chief of The Journal of Sedimetological Society of Japan, The Sedimentological Society of Japan

Executive Director, Geological Society of Japan

Influences of sea level on depositional environment during the last 1000years in the southwestern Bengal delta, Bangladesh
Md Masidul Haque and Koichi Hoyanagi
The Holocene, 36(6), 915-925, Jan. 2021, Refereed

Introduction and progress of facies analysis and sequence stratigraphy based on the studies of observation of siliciclastic strata in Japan
Koichi Hoyanagi
Journal of Geoligical Society of Japan, 127(4), 215-224, Jan. 2021, Refereed, Invited
Lead, Last

Depositional setup and characteristics of the storm deposit by the 2007 Cyclone Sidr on Kuakata Coast, Bangladesh
Md. Masidul Haque, Masaki Yamada, Shiori Uchiyama, Koichi Hoyanagi
Marine Geology, 442, 2021, Refereed

Tsunami deposits in Holocene estuary sediments, based on lithologic study of cores from two sites in Odaka district, Minamisouma city, Fukushima Prefecture, Northeast Japan
Uchiyama, S., Machida, J. and Hoyanagi, K.
Jour. Sediment. Sco. Japan, 78(1), 3-14, 2019, Refereed

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
Hoyanagi, K., Tanaka, Y., Takeuchi, T., Ikehara, M., Utsunomiya, M., Blum, P., McHugh C.M., Fulthorpe, C.S．
Proc. IODP, 317, 2018, Refereed

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

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

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
Nakamura, M., Kusunoki, S., Yamada, K. and Hoyanagi, K.
Proc. IODP, 317, 2015, Refereed

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

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
Hoyanagi, K., Kawagata, S., Koto, S., Kamihashi, T. and Ikehara, M.
Proc. IODP, 317, 2014, Refereed

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

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

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

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

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

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

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

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.
Akiko Urabe and Koichi Hoyanagi
Jour, Geol. Soc. Japa, (40), Jan. 2004

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

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

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

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

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

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

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

Tide-influenced Pliocene and Pleistocene strata exposed along the Tahan-Chi River, in the Taoyuan Prefecture, northeastern Taiwan Island
Kobayashi, Y., Nakamura, M., Seki, M. and Hoyanagi, K.
Jour. Sediment. Soc. Japan, 71(1), 2, 2012, Refereed

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

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

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

Proceedings of the Ocean Drilling Program, Initial Reports, 174A,
Austin,J.A., Christie-Blick,N.,Malone,M.J., Hoyanagi,K. et al., Single work, 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.
1998

Stratigraphy
Shinshu University

Sedimentology
Shinshu University

Resorce geology II (Hydrocarbon resources)
Shinshu University

Introduction of Geology
Shinshu University

Elementary practice of geology
Shinshu University

Experiment in sedimentology and paleontology
Shinshu University

Colloquium I
Shinshu University

Scientific English II
Shinshu University

Introduction to Earth Science II
Shinshu University

Introduction to Green Science II
Shinshu University

Sequence stratigraphy
Shinshu University

Stratigraphic sequence analysis
Shinshu University

Jul. 2013
Geological Society of America

Japanese Association fro Petroleum Technology

Japanese Geomorphological Union

Association for the Geological Collaboration in Japan

American Geophysical Union

International Association of Sedimentologists

SEPM,Society for Sedimentary Geology

Geological society of Japan

Sedimentological Society of Japan

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