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ID 25448
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title alternative
Fault morphology of the lyo Fault, the Median Tectonic Line Active Fault System
creator
subject
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
NDC
General geography. Description and travel
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.
journal title
活断層研究
issue
Issue 14
start page
28
end page
38
date of issued
1996-03
publisher
活断層研究会
issn
0918-1024
ncid
language
jpn
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
publisher
relation url
department
Graduate School of Letters