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北部湾6.1、6.2级地震序列特征
引用本文:吴时平,王林,黄妙影.北部湾6.1、6.2级地震序列特征[J].华南地震,1996,16(3):58-63.
作者姓名:吴时平  王林  黄妙影
作者单位:广西壮族自治区地震局,海南省地震局
摘    要:通过对北部湾6.1、6.2级地震的时空分布及地震类型的分析,认为北部湾地震属双主震型序列。6.1级地震的余震序列表现出鲜明的主余震型序列特征,而6.2级地震的余震序列震群型特征较为突出。6.2级地震前,地震序列活动显示出应变释放加速、低b值、加卸载响应比跃升等异常现象。

关 键 词:地震序列,地震基本参数,地震类型,北部湾地震

CHARACTERISTICS OF SEISMIC SEQUENCE OF THE M_s6.1 and M_s6.2 EARTHQUAKES IN BEIBUWAN
Wu Shiping,Wang Lin.CHARACTERISTICS OF SEISMIC SEQUENCE OF THE M_s6.1 and M_s6.2 EARTHQUAKES IN BEIBUWAN[J].South China Journal of Seismology,1996,16(3):58-63.
Authors:Wu Shiping  Wang Lin
Abstract:By analyzing the temporal and spacial distribution and seismic type of the Ms6.1 and Ms6.2 earthquakes occurred in Beibuwan,we think that the type of Beibuwan earthquake is belong to twomainshocks type.The aftershocks of the Ms6.1 earthquake presented sharp feature of mainshockaftershock sequence;and that of the Ms6.2 earthquake mainly a cluster type sequence.Before the Ms6.2 earthquake,the activity of the seismic sequence showed some anomalies,such as strain release accelerating,low b-value and load-unload response ratio rising fast et al.
Keywords:Seismic sequence  Earthquake parameter  Seismic type  Beibuwan earthquake
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