the 2007 Noto Hanto Earthquake, marine terraces, Airborne LiDAR, crustal deformation, Holocene emerged shoreline topography
その他のタイトル
Crustal Deformation Associated with the 2007 Noto Hanto Earthquake and Late Quaternary Marine Terrace Distribution on the Western Coast of the Noto Peninsula
北陸電力株式会社
千葉大学大学院理学研究科
株式会社大和地質研究所
東京大学地震研究所
Hokuriku Electric Power Co., Ltd.
Graduate School of Science, Chiba University
Daiwa Geo-logical Laboratory, Inc.
Earthquake Research Institute, the University of Tokyo
抄録
The 2007 Noto Hanto earthquake produced a coastal uplift in the epicentral area, where several coastal terraces are widely distributed. To reveal the long-term activity of the source fault, we compared the altitude distribution of the former shorelines on coastal terraces and Holocene emerged shoreline with coseismic uplifts associated with the Noto Hanto earthquake. The 1m-digital elevation model obtained by airborne LiDAR was used for identifying of the former shore-lines and evaluating the altitude of coastal terraces. The altitude pattern of the former shorelines on the middle coastal terrace, which corresponds to sea level of 120ka (MIS5e), is concordant with the crustal deformation associated with the 2007 Noto Hanto earthquake. Under the assumption that the coastal uplift represents the cumulative crustal deformation produced by similar earthquake events to the 2007 one, the average recurrence interval of earthquake events is estimated to be 1500 years.
雑誌名
地震研究所彙報
巻
82
号
4
ページ
345 - 359
発行年
2007
ISSN
00408972
書誌レコードID
AN00162258
フォーマット
application/pdf
日本十進分類法
051.1
出版者
地震研究所
出版者別名
Earthquake Research Institute, University of Tokyo
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2007年能登半島地震に伴う地殻変動と能登半島の海成段丘
IHO82410.pdf
(2.84MB)
