中央構造線活断層系 : 伊予断層の変位地形
活断層研究 Issue 14
Page 28-38
published_at 1996-03
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Title ( jpn ) |
中央構造線活断層系 : 伊予断層の変位地形
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Title ( eng ) |
Fault morphology of the lyo Fault, the Median Tectonic Line Active Fault System
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Creator | |
Source Title |
活断層研究
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Issue | 14 |
Start Page | 28 |
End Page | 38 |
Abstract |
In this paper, we investigated the various fault features of the lyo fault and depicted fault lines or detailed topographic map. The results of this paper are summarized as follows; 1) Distinct evidence of the right-lateral movement is continuously discernible along the lyo fault. 2) Active fault traces are remarkably linear suggesting that the angle of fault plane is high. 3) The lyo fault can be divided into four segments by jogs between left-stepping traces. 4) The mean slip rate is 1.3 ~ 1.6mm/yr. laterally, and is 0.17 ~ 0.2mm/yr. vertically. 5) Offset stream ratio a=D/L, where D is horizontal displacement and L is length of the river upstream from the fault, is 0.55 - 0.09 for the lyo fault. Based on the offset stream ratio, the mean slip rate of the lyo fault is roughly estimated 1 ~ 5mm/yr. and the fault is classified as class A in activity.
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Keywords |
中央構造線
活断層
伊予断層
断層変位地形
Median Tectonic Line
active fault
Iyo fault
fault morphology
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NDC |
General geography. Description and travel [ 290 ]
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Language |
jpn
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Resource Type | journal article |
Publisher |
活断層研究会
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Date of Issued | 1996-03 |
Publish Type | Version of Record |
Access Rights | open access |
Source Identifier |
[ISSN] 0918-1024
[NCID] AN10157356
[URI] http://topo.earth.chiba-u.jp/afr/index.htm
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