書誌事項
- タイトル別名
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- Geographical Features of the Hakonemachi Fault at the Bottom of Lake Ashi in the Hakone Volcano
- 平成21年度助成金使用報告 箱根火山芦ノ湖の湖底における箱根町断層地形
- ヘイセイ 21ネンド ジョセイキン シヨウ ホウコク ハコネ カザン アシノコ ノ コテイ ニ オケル ハコネマチ ダンソウ チケイ
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The bottom topography of lake Ashi-no-ko, in the Hakone volcano caldera, was examined using the SeaBat8101 narrow multi-beam sonar system. The purpose of micro-topographical observations of the lake bottom is to understand the tectonic relations between the historical formation-process of the caldera and the strike-slip motion in the Tanna-Hirayama active fault system. At the southeastern part of the lake, west of the Dougashima, undulations at the bottom such as swells, hollows, and stairs extending in the northwest-southeast direction, were observed. These bottom-forms show a northern extension of the Hakonemachi active fault, running along the east side of lake Ashi-no-ko. They may correspond to one of the north spray faults of the Kita-Izu active fault system, which is the source of the A.D.1930 Kita-Izu earthquake, and to motions of the western margin of the Manazuru micro-plate, in relation to caldera formation as a strike-slip basin.
収録刊行物
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- 地学雑誌
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地学雑誌 119 (5), 911-916, 2010
公益社団法人 東京地学協会
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詳細情報 詳細情報について
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- CRID
- 1390282679205644928
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- NII論文ID
- 10030370609
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- NII書誌ID
- AN00322536
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- ISSN
- 18840884
- 0022135X
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- NDL書誌ID
- 10893674
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可