论文部分内容阅读
笔者参加了云南省地震局年初召开的通海1970年7.7级地震学术讨论会后,感到关于该地震发震地点的确定值得商榷。《中国地震简目》(地震出版社,1977年出版)根据当年宏观调查确定的震中位置是北纬24°、东经102.7°,地点在北西向曲江断裂的东南段、通海县高大公社西北的五街附近,该处原先在构造上被解释为通海山字型前弧西翼与曲江断裂斜接之处。但是阚荣举在1977年(《地球物理学报》20卷2期96—109页)和刘祖荫在1979年(《地震研究》2卷3期39—49页)根据国际地震中心和《中国地震目录》确定的新震中位置是北
After the Yunnan Earthquake Administration participated in the symposium on the 7.7-magnitude earthquake in Tonghai in early 1970s, I felt that the determination of the site of the earthquake is questionable. According to the macro survey of that year, the epicenter was located at latitude 24 ° north and east longitude 102.7 °. The location of the epicenter was in the southeast segment of the Qujiang fault in the northwest direction and in the five Street, near the original structure was interpreted as the Tonghai Shan-shaped front arc west wing and the Qujiang fault miter. However, according to the International Seismological Center and the “China Earthquake Catalog”, Kan Rongju determined in 1977 (Acta Geophysica Sinica, Vol. 20, No. 2, pp. 96-106) and Liu Zu-yin in 1979 (Seismological Research, Vol.2, No.3, pp. The new epicenter is north