北米太平洋岸における活断層の諸例 : 日本の断層との比較において

概要

論文の詳細を見る
In 1974, I was given an oppotunity to observe the different types of active faults of the Pacific coast of North America; as typical reverse faults, Patton Bay fault and Hannig Bay fault of Montague Island of Alaska; as normal faults, Dixie Valley faults in Basin and Range Province of Nevada; as characteristic reverse fault, San Femando fault in thc system of strike-slip San Andrcas fault. They are all surface faults accompanied with large earthquakcs. These faults are introduced to the Japanese geologists in this paper according to my own observations and the exccllent guidances and cxplanations of Dr. G. PLAFKER for Alaska, Prof. D. SLEMMONS for Nevada, and Prof. C.R. ALLEN for California, in comparison with the active faults of Southwest Japan, especially or Kinki Triangle area (HUZITA, 1969, 1973). As shown in Fig. 7, the surface faults of Montague Island accompanied with Alaska great earthquake of 1964 have very similar characteres with those of Kinki area not only in the types of fault movements but also in their dimensions, which suggest the importance of the comparative studies of such fault systcms of the circum-Pacific regions.
日本地質学会の論文
1976-03-25