World's Best Scientists 2026 revealed!
Juichiro Ashi

Juichiro Ashi

Overview

Juichiro Ashi is affiliated with the University of Tokyo in Japan and has a research focus spanning Earth and Planetary Sciences as well as Engineering. Their work extensively covers subfields including Geophysics, Ocean Engineering, Atmospheric Science, Environmental Chemistry, and Earth-Surface Processes.

The scientist has contributed significantly to topics such as Reservoir Engineering and Simulation Methods, Drilling and Well Engineering, Geology and Paleoclimatology Research, earthquake and tectonic studies, Methane Hydrates and Related Phenomena, Seismic Imaging and Inversion Techniques, and Geological and Geochemical Analysis.

Juichiro Ashi's frequent coauthors include Harold Tobin, Michael B. Underwood, Toshiya Kanamatsu, Bernard A. Housen, and Miriam Kastner, reflecting extensive collaboration across related research areas.

The publication venues where Ashi has published most often include Zenodo (CERN European Organization for Nuclear Research) with 24 publications, OPAL (Open@LaTrobe) (La Trobe University) with 7, Sedimentary Geology with 2, Marine Geology with 2, and Tectonophysics with 2.

Some of the recent papers authored by Ashi are:

  • Characteristics and distribution of the event deposits induced by the 2011 Tohoku-oki earthquake and tsunami offshore of Sanriku and Sendai, Japan (2020) in Sedimentary Geology
  • Holocene tsunami, storm, and relative sea level records obtained from the southern Hidaka coast, Hokkaido, Japan (2020) in Quaternary Science Reviews
  • A dataset for distribution and characteristics of Holocene pyroclastic fall deposits along the Pacific coasts in western Hokkaido, Japan (2020) in Data in Brief
  • Subduction of trench-fill sediments beneath an accretionary wedge: Insights from sandbox analogue experiments (2020) in Geosphere
  • Holocene coastal evolution, past tsunamis, and extreme wave event reconstructions using sediment cores obtained from the central coast of Hidaka, Hokkaido, Japan (2021) in Marine Geology

Best Publications

  • Episodic slow slip events in the Japan subduction zone before the 2011 Tohoku-Oki earthquake

    Yoshihiro Ito;Ryota Hino;Motoyuki Kido;Hiromi Fujimoto

  • Distribution of methane hydrate BSRs and its implication for the prism growth in the Nankai Trough

    Juichiro Ashi;Hidekazu Tokuyama;Asahiko Taira

  • Abnormal fluid pressures and fault-zone dilation in the Barbados accretionary prism: Evidence from logging while drilling

    J. C. Moore;T. H. Shipley;D. Goldberg;Y. Ogawa

  • Microbial diversity in deep-sea methane seep sediments presented by SSU rRNA gene tag sequencing.

    Takuro Nunoura;Yoshihiro Takaki;Hiromi Kazama;Miho Hirai

  • Potential tsunamigenic faults of the 2011 off the Pacific coast of Tohoku Earthquake

    Takeshi Tsuji;Yoshihiro Ito;Motoyuki Kido;Yukihito Osada

  • Rapid forearc basin uplift and megasplay fault development from 3D seismic images of Nankai Margin off Kii Peninsula, Japan

    Sean P.S. Gulick;Nathan L.B. Bangs;Gregory F. Moore;Juichiro Ashi

  • Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex

    Akira Ijiri;Fumio Inagaki;Yusuke Kubo;Rishi Ram Adhikari

  • Possible submarine tsunami deposits on the outer shelf of Sendai Bay, Japan resulting from the 2011 earthquake and tsunami off the Pacific coast of Tohoku

    Ken Ikehara;Tomohisa Irino;Kazuko Usami;Robert Jenkins

  • Expedition 316 Site C0004

    M. Kinoshita;H. Tobin;J. Ashi;G. Kimura

  • Quantification of mcrA by quantitative fluorescent PCR in sediments from methane seep of the Nankai Trough

    Takuro Nunoura;Hanako Oida;Tomohiro Toki;Juichiro Ashi

  • Molecular characterization of potential nitrogen fixation by anaerobic methane-oxidizing archaea in the methane seep sediments at the number 8 Kumano Knoll in the Kumano Basin, offshore of Japan.

    Junichi Miyazaki;Ryosaku Higa;Tomohiro Toki;Juichiro Ashi

  • NanTroSEIZE Stage 1 Expeditions: Introduction and Synthesis of Key Results

    Harold Tobin;Masataka Kinoshita;Juichiro Ashi;Siegfried Lallement

  • Identification of the static backstop and its influence on the evolution of the accretionary prism in the Nankai Trough

    Takeshi Tsuji;Takeshi Tsuji;Juichiro Ashi;Michael Strasser;Michael Strasser;Gaku Kimura

  • Detection of low-chloride fluids beneath a cold seep field on the Nankai accretionary wedge off Kumano, south of Japan

    T. Toki;T. Toki;U. Tsunogai;T. Gamo;T. Gamo;S. Kuramoto

  • Possible strain partitioning structure between the Kumano fore-arc basin and the slope of the Nankai Trough accretionary prism

    Kylara M. Martin;Sean P. S. Gulick;Nathan L. B. Bangs;Gregory F. Moore

  • Expedition 316 Site C0006

    M. Kinoshita;H. Tobin;J. Ashi;G. Kimura

  • Thermal structure of the Nankai accretionary prism as inferred from the distribution of gas hydrate BSRs

    Juichiro Ashi;Asahiko Taira

  • Expedition 315 Site C0002

    M. Kinoshita;H. Tobin;J. Ashi;G. Kimura

  • Expedition 314 Site C0002

    M. Kinoshita;H. Tobin;J. Ashi;G. Kimura

  • Expedition 316 Site C0007

    M. Kinoshita;H. Tobin;J. Ashi;G. Kimura

Frequent Co-Authors

Masataka Kinoshita
Masataka Kinoshita University of Tokyo
Ken Ikehara
Ken Ikehara National Institute of Advanced Industrial Science and Technology
Takeshi Tsuji
Takeshi Tsuji University of Tokyo
Gaku Kimura
Gaku Kimura Japan Agency for Marine-Earth Science and Technology
Asahiko Taira
Asahiko Taira Japan Agency for Marine-Earth Science and Technology
Urumu Tsunogai
Urumu Tsunogai Nagoya University
Hidekazu Tokuyama
Hidekazu Tokuyama Kōchi University
Elizabeth J. Screaton
Elizabeth J. Screaton University of Florida
Siegfried Lallemant
Siegfried Lallemant CY Cergy Paris University
Fumio Inagaki
Fumio Inagaki Japan Agency for Marine-Earth Science and Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Earth Science in the USA opens doors to a variety of related fields, each offering unique career pathways. For individuals considering further education later in life, the college degrees for seniors highlight flexible and accessible options, making it never too late to advance your knowledge and skills.

Many Earth Science graduates find their skills align well with information management and research, making a ala accredited mlis programs a valuable next step. These programs provide specialized training in library and information science, a field deeply connected to data organization and environmental resources.

For those interested in the organizational side of knowledge and environmental data, understanding what is library science can open career opportunities in academic, public, or specialized libraries focused on scientific collections and archives.

Additionally, digital skills are increasingly important within Earth Science careers. Pursuing online creative degrees, such as the photography degrees online, can enhance one’s ability to document fieldwork and communicate scientific findings through striking visual media.

Best Scientists Citing Juichiro Ashi

Trending Scientists