伊豆半島における爆破地震動の観測 : I. 三島・下田測線

概要

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To study a detailed structure of the upper crust in Izu Peninsula, Central Japan, explosion seismic observations were conducted in Mishima-Shimoda profile in December 1979. Seismic waves generated from explosions at five shot points were observed at about 126 temporary observation stations spaced 500-1000m apart. Furthermore, seismic waves generated from explosions on Izu Ohshima and Minami-Izu fired by the Geological Survey of Japan for the study of change in velocity of seimic waves in the southern Kanto and Tokai Districts were also observed at the same stations. Most of the seismograms obtained by these observations were very good. Fundamental data such as seismograms, travel times, etc. are presented,
1982-01-08