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Bulletin of the Volcanological Society of Japan | 1990

The 1988-1989 explosive eruption of Tokachi-dake, central Hokkaido, Its sequence and mode

Yoshio Katsui; Shimpei Kawachi; Yuko Kondo; Yasuo Ikeda; Mitsuhiro Nakagawa; Y. Goto; Hiromitsu Yamagishi; Tetsuyoshi Yamazaki; Mari Sumita


Journal of Mineralogy, Petrology and Economic Geology | 1992

TL age of the Quaternary volcanic rocks and pyroclastic flow deposits around the Lake Toya, Hokkaido, Japan

Isao Takashima; Tetsuyoshi Yamazaki; Eiji Nakata; Kimiyasu Yukawa


Journal of Mineralogy, Petrology and Economic Geology | 1989

A newly discovered Quaternary volcano from northeast Japan Sea: K-Ar age of andesite dredged from the Shiribeshi Seamount

Nobutaka Tsuchiya; Jiro Ishii; Tetsuyoshi Yamazaki; Kenji Shuto


Bulletin of the Volcanological Society of Japan | 1990

The 1988-1989 Explosive Eruption of Tokachi-dake, Central Hokkaido, Its Sequence and Mode : Special Section : The 1988-1989 Eruption of Mt. Tokachi, Central Hokkaido

Yoshio Katsui; Shimpei Kawachi; Yuko Kondo; Yasuo Ikeda; Mitsuhiro Nakagawa; Yoshihiko Gotoh; Hiromitsu Yamagishi; Tetsuyoshi Yamazaki; Mari Sumita


北海道大学理学部紀要 = Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy | 1978

Fossil Rootless Fumaroles in the Noboribetsu Pumice Flow Deposits and Their Alteration Products in the Noboribetsu Formation, Kuttara Volcano, Southwestern Hokkaido, Japan

Shimpei Kawachi; Jiro Ishii; Masaru Matsui; Seigo Miyasaka; Masahiro Nakajima; Kazuo Kiminami; Yoshihiro Kontani; Tetsuyoshi Yamazaki; Hiroshi Hanabusa; Gaku Kimura; Takami Shuto; Ken Maniwa


Programme and abstracts the Volcanological Society of Japan | 1994

G6 TL age of Quaternary volcanic rocks in Shikotsu, Toya and Kuttara areas, Hokkaido

Wenshan Zhang; Isao Takashima; Tetsuyoshi Yamazaki


Bulletin of the Volcanological Society of Japan | 1990

Tephra-stratigraphical study of the 1988-1989 eruption of Tokachi-dake Volcano, central Hokkaido

N. Miyaji; Mari Sumita; M. Yoshida; Yuko Kondo; Tetsuyoshi Yamazaki; K. Kouyama; Toshio Sone; H. Muto


[Talk] In: The Spring meeting of the Volcanological Society of Japan 1989, 1989, Tokyo, Japan . | 1989

The 1988-89 eruption of Tokachidake volcano

Shimpei Kawachi; Yoshio Katsui; T. Watanabe; Yasuo Ikeda; J. Maeda; T. Shibata; N. Fujibayashi; Y. Goto; S. Aramaki; Yuko Kondo; Tetsuyoshi Yamazaki; N. Miyaji; Mari Sumita


[Talk] In: The Spring meeting of the Volcanological Society of Japan 1989, 1989, Tokyo, Japan . | 1989

Pyroclastic fall deposits of the 1988-89 eruption of Tokachi-dake volcano

N. Miyaji; K. Kouyama; Y. Kondou; Mari Sumita; Tetsuyoshi Yamazaki; Yoshio Katsui


[Poster] In: The Spring meeting of the Volcanological Society of Japan 1989, 1989, Tokyo, Japan . | 1989

Pyroclastic flow deposits of the 1988-89 eruption of Tokachi-dake volcano

Mari Sumita; Yoshio Katsui; Shimpei Kawachi; Tetsuyoshi Yamazaki; J. Maeda; Y. Goto; N. Miyaji

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