华北近代成串强震发生过程的探讨
A PRELIMINARY STUDY OF THE PROCESS OF DEVELOPMENT AND OCCURRENCES OF A SERIES OF RECENT STRONG EARTHQUAKES IN NORTH CHINA
-
摘要: 本文从大面积的华北整体出发, 探讨了成串大地震发生过程中的某些规律.根据一些地震观测资料, 就历年来的小地震频度, b值随时间的变化, 小地震活动的空间分布, 震群活动, 小地震的初动方向的变化等五个方面探讨各次强震发生与它们的关系.Abstract: This paper deals with the study of certain empirical relations regarding the development and occurrences of a series of recent strong earthquakes in North China from the view point of the broad North China region as a whole.Based on the seismological data thus accumulated, five different aspects, namely, frequency of occurrence of small earthquakes, variation of b-value with time, spatial distribution of small earthquakes, earthquake swarm activity, variation of the signs of first motion of small earthquakes, are concerned as to their relations with the occurrences of the strong earthquakes.
-
-
[1] 陈运泰等, 根据地面形变的观测研究1966年邢台地震的震源过程, 地球物理学报, 18, 3, 1975.
[2] 何志桐等, 邢台地震系列的空间分布, 构造应力场及其发生过程的探讨, 地球物理学报, 20, 2, 1977.
[3] 吴开统等, 海城地展序列的特征, 地球物理学报, 19, 2, 1976.
[4] 邓起东等, 关于海城地震震源模式的讨论, 地质科学, 3, 1976.
[5] 顾浩鼎等, 1975年2月4日辽宁省海城地震的晨源机制, 地球物理学报, 19, 4, 1976.
[6] 邱群, 1976年7月28日河北唐山7.8级地震的发震背景及其活动性, 地球物理学报, 19, 4, 1976.
[7] 虢顺民等, 唐山地震区域构造背景和发震模式的讨论, 地质科学, 4, 1977.
[8] 张文佑, 初论断裂的形成和发展及其与地震的关系, 地质学报, 49, 1, 1975.
[9] T. Utsu, A method for determining the value of b in formula log(n)=a—bm showing the magnitude—frequency relation for earthquakes, Geophys. Bull. Hokkaido University. 13, 99—103 1965.
[10] K. Mogi, Laboratory study of Elastic shocks prior to Rock Failure, EOS Trams. Amer. Geophys. Union, 50, 5, 401, 1969.
[11] C. H. Scholz, The frequency—magnitude relation of microfracturing in rock and its relation to earthquakes, BSSA, 58, 399—415, 1968.
[12] 李全林等, b值时空扫描, 地球物理学报, 21, 2, 1978.
计量
- 文章访问数: 991
- HTML全文浏览量: 22
- PDF下载量: 106
下载:
