1. In November, 1965, observations of the Matsushiro earthquake swarm were carried out at five temporary observation sites northeast of the swarm area. These five stations are on a line as shown in Fig. 1, the relative distances being about 10km as given in Table 1. The range of epicentral distances of these sites from each shock is roughly between 15 and 55km. Observation schedule was usually from 22h 00m to 4h 00m of the next day, that is, six hours during the night. A magnetic tape recording system was used together with six vertical and two horizontal moving coil type seismometers with natural period 1 sec. The total system of recording has a flat frequency characteristic in the range 1～100c/s.
雑誌名
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo
巻
44
号
4
ページ
1771 - 1792
発行年
1967-03-31
ISSN
00408972
書誌レコードID
AN00162258
フォーマット
application/pdf
日本十進分類法
453
出版者
東京大学地震研究所
出版者別名
Earthquake Research Institute, University of Tokyo
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松代地震群の移動観測 : 第1報
ji0444018.pdf
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