Faculty Profiles - URABE Atsushi

Papers - URABE Atsushi

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Seismic damage of the Noto Hanto Earthquake in 2007, Ishikawa Prefecture, central Japan(Photo)

URABE Atsushi, TAMURA Keiko, SUZUKI Kouji, TAKAHAMA Noubyuki

Earth Science (Chikyu Kagaku) 61 ( 3 ) 171 - 172 2007

堆積相と全有機炭素・窒素・イオウ濃度を用いた堆積環境の復元-新潟平野上部更新統?完新統の例- Reviewed

吉田真見子, 保柳康一, 卜部厚志, 山崎梓, 山岸美由紀, 大村亜希子

地質学論集 59 93 - 109 2006.12

The Collapse Basin on the Latest Pleistocene - Tamugiyama Collapse Basin in the northern part of Uonuma Hills, central Japan -, Reviewed

Neotectonics Research Group of, the Niigata Shinano River Region, Takahama Nobuyuki, Urabe Atsushi

Earth Scien 60 ( 6 ) 465 - 479 2006.12

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The Association for the Geological Collaboration in Japan

This paper shows that the Tamugiyama Basin was formed during the Latest Pleistocene by repeated uplift and collapse fault activities. The Tamugiyama Collapse Basin is the youngest one, has ever been reported collapse basins in the Japanese Islands. The Tamugiyama Collapse Basin is located in the northern part of Uonuma Hills, and is attacked by the 2004 Niigata Chuetsu earthquake. The lozenge-shaped basin, about one to two kilometers wide, is surrounded by hills composed of the Pliocene basement. The Tamugiya Formation within this collapse basin is in high-angle abut unconformity contact with Pliocene basement. Talus deposits are recognized on the unconformities. The deposits are resulted from fault scarp and its ancient slope failures. The Tamugiyama Formation is composed of irregularly alternating beds of gravels, sands and silts, intercalated with the Aira Tn tephra bed (AT) about 26,000〜29,000 years ago. The formation contains peat layers, which characterize static slack-water environments. The Kowakita Formation, underlying the Tamugiyama Formation, consists of fluvial gravels carried by the Uono River, therefore it suggests that there was once the ancient Uono River running through this area. The rapid change in sedimentary environments, from the Kowakita formation to the Tamugiyama Formation, results from uplift, faulting and collapse caused by tectonic block movements in this area. The Uono River had changed its course by fault activity and uplift just before the Tamugiyama Collapse Basin was formed, not by subsidence of the present Uono River course. The Yamamotoyama tectonic block including this study area has been the most active uplift block in the Shinano Valley since the Late Pleistocene. The 2004 Niigata Chuetsu earthquake occurred in areas characterized by the same geological setting.

DOI： 10.15080/agcjchikyukagaku.60.6_465

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Development process of barrier-lagoon system in the Holocene sediments of the Echigo Plain, central Japan Reviewed

URABE Atsushi, YOSHIDA Mamiko, TAKAHAMA Nobuyuki

Memoirs of the Geological Society of Japan 59 111 - 127 2006.12

Fan deposits amplifying ground motions by the 2004 Mid-Niigata Prefecture earthquake: An example from the Tamugiyama basin, Kawaguchi Town, Niigata Prefecture, central Japan Reviewed

KOMATSUBARA Taku, NAKAZAWA Tsutomu, MIYACHI Yoshinori, NAKASHIMA Rei, YOSHIMI Masayuki, URABE Atsushi

Journal of the Geological Society of Japan 112 ( 3 ) 188 - 196 2006.12

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The Geological Society of Japan

The Tamugiyama district in Kawaguchi Town, Niigata Prefecture is one of the most affected areas by the 2004 Mid-Niigata Prefecture earthquake. Though this district is located in a small (ca. 2 km<sup>2</sup>) basin, some colonies were damaged lightly and others severely. The worst-hit colony is located on the central part of the Tamugiyama fan underlain by thick (ca.20 m) muddy deposits with the N-values ranging from 5 to 20. On the other hand, lightly damaged colonies are located on the Tamugiyama-IV terrace underlain by gravel rich deposits with the N-values of over 50 and on the marginal area of the Tamugiyama fan. The Tamugiyama fan deposits were supplied from surrounding hill areas where weakly consolidated Pliocene to Lower Pleistocene sedimentary rocks occurred and a large number of landslides are recognized. The deposits filled a basin-like incised valley during the latest Pleistocene time. The close relationship between damages and thickness of the muddy fan deposits indicates that the fan deposits intensely amplified ground motions resulting in local severe damages. This fact is noteworthy for making seismic hazard maps.<br>

DOI： 10.5575/geosoc.112.188

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Upper Pleistocene to Holocene stratigraphy in the Higashi-Niigata gas field, central Japan - The characteristics and sources of maker pumice beds -, Reviewed

URABE Atsushi, YASUI Satoshi, INABA Mitsuru, KATAOKA Kyoko, TAKAHAMA Nobuyuki, MITSUDA Shinichi

Journal of the Japanese Association for Petroleum Technology 71 337 - 348 2006.12

Facies and geomorphic analyses of resedimented volcaniclastic deposits: post-eruptive volcanogenic floods and hazards Invited

Kataoka, K.S, Urabe, A, Kajiyama, A, Manville, V

Earth Monthly 28 ( 8 ) 507 - 511 2006.8

O-26 Two depositional systems formed coastal sand dune in the Echigo Plain, northeast Japan

URABE Atsushi

Annual Meeting of the Geological Society of Japan 2006 56 - 56 2006

O-220 Liquefaction damage on high-water channel of the Shinano River, induced by the Niigata Chuetsu Earthquake in 2004, Niigata, Japan

HONGO Misao, KATAOKA Kyoko S., URABE Atsushi, Suzuki Koji

Annual Meeting of the Geological Society of Japan 2006 153 - 153 2006

Flood Disaster along Kariyata River Caused by Heavy Rainfall on July 13, 2004, Niigata Prefecture, Central Japan - The Relation of the Current Processes of the Flood to the Landforms -, Reviewed

HIRAMATSU Yukiko, YASUI Satoshi, URABE Atsushi, HONGO Misao

Journal of the Japan Society of Engineering Geology 46 ( 3 ) 153 - 161 2005.12

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japan Society of Engineering Geology

A huge flood disaster was caused by a heavy rainfall around the Chuetsu area of Niigata Prefecture on July 13, 2004. The flood breached the levees in many places along Ikarashi-, Kariyata-, and Chigoshimizu Rivers, so that many houses were swept away and wide areas were under muddy flood water in Sanjo and Mitsuke Cities and Nakanoshima Town. In this study, we describe the damages sustained by the flood in Nakanoshima Town area and the southern area of Mitsuke City along Kariyata River, and discuss the current processes of the flood at these areas. It is clear that a surge of the flood attacked houses near by the point of levee breach at Nakanoshima Town, judging from the evidences such as the directions of scours and the traces of flood current toward the houses. The preferred orientations of inclined or fell-down houses, traffic signs, fens, etc., indicated the direction change of flood current. Though the primary surge ran powerfully toward southwest, the flood flowed westward being led to the lower topography until the direction changed toward northwest by an obstruction of natural levee. On the other hand, in the southern area of Mitsuke City, the flood current direction was restricted so much by the narrow valley plain that its flood strength increased much more. As the levee of Chigoshimizu River also breached, the older levee, which remained between the present one and fluvial terrace, was collapsed immediately. The flood current did not only lose its power when it had reached at the lowest terrace but also run up beyond the terrace and destroyed some houses standing on it.

DOI： 10.5110/jjseg.46.153

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Other Link： https://jlc.jst.go.jp/DN/JALC/00255202631?from=CiNii

山古志地域の地震被害 Reviewed

卜部厚志, 高浜信行, 本郷美佐緒, 鈴木幸治, 片岡香子, 安井賢

地団研専報 54 60 - 67 2005.12

小千谷・川口地域の地震被害 Reviewed

荒川勝利, 堀川秀夫, 山崎興輔, 吉越正勝, 卜部厚志, 高浜信行, 本郷美佐緒, 片岡香子, 鈴木幸治, 安井賢, 川辺孝幸

地団研専報 54 68 - 77 2005.12

The change of depositional system by event sedimentation in the Niigata Plain, northeast Japan

URABE Atsushi, KATAOKA Kyoto

Annual Meeting of the Geological Society of Japan 2005 107 - 107 2005

Sedimentology and paleohydrology of a large-scale volcanogenic flood, in the Numazawako eruption aftermath, northeast Japan

Kataoka Kyoko S., Urabe Atsushi, Kajiyama Atsushi, Manville Vern

Annual Meeting of the Geological Society of Japan 2005 251 - 251 2005

Earthquake hazards and property damages induced by the Niigata Chuestu Earthquake in 2004 Reviewed

HONGO Misao, URABE Atsushi, KATAOKA Kyoko, SUZUKI Koji, TAKAHAMA Nobuyuki

Earth Scien 59 ( 1 ) 3 - 4 2004.12

Lake-level changes during the past 100,000 years at Lake Baikal, southern Siberia Reviewed

A Urabe, M Tateishi, Y Inouchi, H Matsuoka, T Inoue, A Dmytriev, OM Khlystov

QUATERNARY RESEARCH 62 ( 2 ) 214 - 222 2004.9

Holocene paleoenvironmental changes inferred from the diatom records of the Echigo Plain, central Japan Reviewed

H Yabe, S Yasui, A Urabe, N Takahama

QUATERNARY INTERNATIONAL 115 117 - 130 2004

Identification and characterization of a subsided barrier island in the Holocene alluvial plain, Niigata, central Japan Reviewed

A Urabe, N Takahama, H Yabe

QUATERNARY INTERNATIONAL 115 93 - 104 2004

A18 Supra- and pro-ignimbrite volcaniclastic resedimentation after the Numazawako eruption, Numazawa volcano, northeast Japan

Kataoka Kyoko, Urabe Atsushi

PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2004 18 - 18 2004

P-52 Gravity survey in the western margin of the Echigo Plain, Niigata, central Japan : Basement structure

NAITO Nobuaki, URABE Atsushi, TAKAHAMA Nobuyuki, MAKINO Masahiko, SUMITA Tatsuya, WATANABE Shiro

Annual Meeting of the Geological Society of Japan 2004 185 - 185 2004

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