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Academic OrganizationAcademic Assembly School of Humanities and Social Sciences Institute of HumanitiesTEL
Education and Research OrganizationCenter for General EducationFAX
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AddressWeb site



Research Field
Keywords:structural geology , active fault , accretion complex , earthquake
Current Subject
Active faults developed in the mountainous area
Keywords:Active fault , Quaternary
Academic Background
Graduate School
Osaka City University , (Graduate School,Division of Natural Science) , 1987

Shinshu University , (Faculty of Science) , 1979

Doctor of Science


Books, Articles, etc.
Database of surface ruptures occurred in the 2014 Kamishiro fault earthquake, Nagano prefecture, central Japan.
環境科学年報,(45):32-52 2023(Mar.)
Author:大塚勉, 下田力

Active Fault in the Itoigawa-Shizuoka fault zone discovered at Lake Midoriko in Shiojiri City, Nagano Prefecture, Central Japan.
環境科学年報,(45):17-24 2023(Mar.)
Author:下田力, 大塚勉

Geological Structures at the Boundary of Middle and Southern Sections of the Itoigawa- Shizuoka Tectonic Line in Hakushu Area
環境科学年報,(44):13-29 2022(Mar.)
Author:Shun Kawana & Tsutomu Otsuka

Geology and Early Pleistocene flat surface in the southeastern part of the Ina Valley, Nagano Prefecture, Central Japan.
環境科学年報,(44):30-40 2022(Mar.)
Author:Ryuhei Matsushima and Tsutomu Otsuka

Udukiyama Fault in the Ina Mountains, Nagano Prefecture, Central Japan.
環境科学年報,(43):57-65 2021(Mar.)
Author:松島竜平, 大塚勉