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Dive into the research topics where Takafumi Shimomura is active.

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Featured researches published by Takafumi Shimomura.


Journal of geomagnetism and geoelectricity | 1990

Volcanomagnetic Effect Observed during the 1986 Eruption of Izu-Oshima Volcano

Yoichi Sasai; Takafumi Shimomura; Yozo Hamano; Hisashi Utada; Toshio Yoshino; Shigeru Koyama; Y. Ishikawa; Ichiro Nakagawa; Yukiko Yokoyama; Masao Ohno; Hidefumi Watanabe; Takesi Yukutake; Yoshikazu Tanaka; Tetsuya Yamamoto; Kiyoshi Nakaya; Satoru Tsunomura; Fujio Muromatsu; Ritsuo Murakami


Journal of geomagnetism and geoelectricity | 1990

Changes in the Geomagnetic Total Intensity Observed before the Eruption of Oshima Volcano in 1986

Takesi Yukutake; Hisashi Utada; Toshio Yoshino; Hidehumi Watanabe; Yozo Hamano; Yoichi Sasai; E. Kimoto; K. Otani; Takafumi Shimomura


Journal of geomagnetism and geoelectricity | 1990

Changes in the Electrical Resistivity of the Central Cone, Mihara-yama, of Oshima Volcano Observed by a Direct Current Method

Takesi Yukutake; Toshio Yoshino; Hisashi Utada; Hidehumi Watanabe; Yozo Hamano; Takafumi Shimomura


Journal of geomagnetism and geoelectricity | 1990

Geomagnetic Variations Observed after the 1986 Eruption of Izu-Oshima Volcano

Yozo Hamano; Hisashi Utada; Takafumi Shimomura; Yoshikazu Tanaka; Yoichi Sasai; Ichiro Nakagawa; Yukiko Yokoyama; Masao Ohno; Toshio Yoshino; Shigeru Koyama; Takesi Yukutake; Hidehumi Watanabe


Earth, Planets and Space | 1990

Resistivity structure of Izu-Oshima volcano revealed by the ELF-VLF magnetotelluric method.

Hisashi Utada; Takafumi Shimomura


Journal of geomagnetism and geoelectricity | 1990

Resistivity Structure of Izu-Oshima Volcano Revealed by the ELF-VLF Magnetotelluric Method

Hisashi Utada; Takafumi Shimomura


Journal of geomagnetism and geoelectricity | 1990

Regional Secular Change in the Geomagnetic Field in the Oshima Island Area during a Tectonically Active Period

Takesi Yukutake; Hisashi Utada; Toshio Yoshino; E. Kimoto; K. Otani; Takafumi Shimomura


Proceedings of the Japan Academy. Series B Physical and biological sciences | 1987

Changes in the Electrical Resistivity of the Central Cone, Miharayama, of Izu-Oshima Volcano, associated with its Eruption in November, 1986

Takesi Yukutake; Toshio Yoshino; Hisashi Utada; Hidefumi Watanabe; Yozo Hamano; Yoichi Sasai; Takafumi Shimomura


東京大学地震研究所彙報 | 1967

松代地震群の地球電磁気学的調査-5-〔英文〕

常次 力武; Yoshio Yamazaki; Munehisa Sawada; Yoichi Sasai; Toshio Yoshino; Seiji Uzawa; Takafumi Shimomura; Kan-ichi Momose


東京大学地震研究所彙報 | 1967

松代地震群の地球電磁気学的調査-4-〔英文〕

常次 力武; Yoshio Yamazaki; Munehisa Sawada; Yoichi Sasai; Toshio Yoshino; Seiji Uzawa; Takafumi Shimomura

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