Papers - Umeda Koji
-
黒島火山の活動時期の再検討と南西諸島火山岩のK-Ar年代の総括
福田徹也, 棚瀬充史, 梅田浩司, 小林哲夫
月刊地球 2015.9
-
Triggering of earthquake swarms following the 2011 Tohoku megathrust earthquake
Koji Umeda, Koichi Asamori, Ayumu Makuuchi, Kazuo Kobori, Yuki Hama
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 120 ( 4 ) 2279 - 2291 2015.4
-
Localized extensional tectonics in an overall reverse-faulting regime, Northeast Japan
Koji Umeda
GEOSCIENCE LETTERS 2 2015
-
九州の火山地質学 黒島火山の活動時期の再検討と南西諸島火山岩のK-Ar年代の総括
福田徹也, 棚瀬充史, 梅田浩司, 小林哲夫
月刊地球 37 ( 5 ) 2015
-
地層処分と地質環境の長期安定性：地質環境の長期予測と不確実性についての検討例
梅田浩司, 安江健一, 石丸恒存
原子力バックエンド研究 2014.12
-
Earthquake doublet in an active shear zone, southwest Japan: Constraints from geophysical and geochemical findings
Koji Umeda, Koichi Asamori, Ayumu Makuuchi, Kazuo Kobori
Tectonophysics 634 116 - 126 2014.11
-
Subsurface geological mapping of the Japanese Islands
Yasue, K-I., Ishimaru, T., Kobori, K., Umeda, K. and Nakatsuka, N.
J. Geol. Soc. Jpn. 2014.6
-
Release of mantle and crustal helium from a fault following an inland earthquake
Koji Umeda, Koichi Asamori, Tomohiro Kusano
APPLIED GEOCHEMISTRY 37 134 - 141 2013.10
-
Spatial variations in He-3/He-4 ratios along a high strain rate zone, central Japan
Koji Umeda, Tomohiro Kusano, Atusi Ninomiya, Koichi Asamori, Junichi Nakajima
JOURNAL OF ASIAN EARTH SCIENCES 73 95 - 102 2013.9
-
Three-dimensional magnetotelluric inversion using a heterogeneous smoothness-constrained least-squares method
Tateyuki Negi, Hideki Mizunaga, Koichi Asamori, Koji Umeda
EXPLORATION GEOPHYSICS 44 ( 3 ) 145 - 155 2013.9
-
Constraining the timing of brittle deformation and faulting in the Toki granite, central Japan
S. Yamasaki, H. Zwingmann, K. Yamada, T. Tagami, K. Umeda
CHEMICAL GEOLOGY 351 168 - 174 2013.8
-
Tectonic shortening and coeval volcanism during the Quaternary, Northeast Japan arc
Koji Umeda, Masao Ban, Shintaro Hayashi, Tomohiro Kusano
JOURNAL OF EARTH SYSTEM SCIENCE 122 ( 1 ) 137 - 147 2013.2
-
Current status the AMS facility at the Tono Geoscience Center of the Japan Atomic Energy Agency
Y. Saito-Kokubu, A. Nishizawa, M. Suzuki, Y. Ohwaki, T. Nishio, A. Matsubara, T. Saito, T. Ishimaru, K. Umeda, T. Hanaki
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 294 43 - 45 2013.1
-
Geological Predictions for the Long-term Isolation of Radioactive Waste Based on Extrapolating Uniform Mode and Rate of Crustal Movements
Koji UMEDA, Shin-Ichi TANIKAWA, Ken-Ichi YASUE
Journal of Geography (Chigaku Zasshi) 122 ( 3 ) 385 - 397 2013
-
Tephra Stratigraphy of Toki Sand and Gravel Formation on the Nenoue Highland-Correlation of Widespread Tephra Deposits by Major Element Chemistry of Glass Inclusions in Quartz-
古澤明, 安江健一, 中村千怜, 梅田浩司
応用地質 54 ( 1 ) 25 - 38 2013
-
日本海東縁ひずみ集中帯の構造とアクティブテクトニクス 新潟-神戸ひずみ集中帯におけるヘリウム同位体比分布
二ノ宮淳, 二ノ宮淳, 梅田浩司, 浅森浩一
月刊地球 35 ( 6 ) 2013
-
Relationship between He-3/He-4 ratios and subduction of the Philippine Sea plate beneath southwest Japan
Koji Umeda, Tomohiro Kusano, Koichi Asamori, Glen F. McCrank
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 117 ( B10204 ) 2012.10
-
Thermochronological study of the dip-slip displacement and timing of initiation of the Atera fault
Yamada Kunimi, Yasue Ken-ichi, Iwano Hideki, Yamada Ryuji, Umeda Koji, Omura Kentaro
Jour. Geol. Soc. Japan 118 ( 7 ) 437 - 448 2012.7
-
Groundwater pressure changes in Central Japan induced by the 2011 off the Pacific coast of Tohoku Earthquake
Masakazu Niwa, Ryuji Takeuchi, Hironori Onoe, Koji Tsuyuguchi, Koichi Asamori, Koji Umeda, Kozo Sugihara
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 13 Q05020 2012.5
-
The first (U-Th)/He thermochronology of pseudotachylyte from the Median Tectonic Line, southwest Japan
Kunimi Yamada, Takahiro Hanamuro, Takahiro Tagami, Koji Shimada, Hideo Takagi, Ryuji Yamada, Koji Umeda
JOURNAL OF ASIAN EARTH SCIENCES 45 17 - 23 2012.2