They are the 'Goson Fault' (approximately 18km long), which extends from Asamogawa, Amino-cho to Mie District, Omiya-cho (Kyoto Prefecture), and the 'Yamada Fault' (approximately 7km long), which extends from Iwaya District, Nodagawa-cho to Fuchu District, Miyazu City.
網野町浅茂川から大宮町(京都府)三重（みえ）地区に至る「郷村断層」（長さ約18km）と野田川町岩屋地区から宮津市府中地区までの「山田断層」（長さ約7km）である。