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天津地区地震波速比分区变化特征
引用本文:庞群英,崔晓峰,王建国,栗连弟.天津地区地震波速比分区变化特征[J].地震地磁观测与研究,2008,29(5):22-25.
作者姓名:庞群英  崔晓峰  王建国  栗连弟
作者单位:中国天津,300201,天津市地震局
摘    要:利用天津地震台网2002-2007年记录到的天津及周边地区,ML≥1.5地震。在天津及周边地区,按照活动空间分布特征圈定4个区域,采用单事件多台观测资料,对所选区域里的地震事件进行平均波速比值的计算,得到天津地区波速比变化与地震的对应关系。

关 键 词:天津台网  分区  波速比

The variation characteristics of wave velocity ratio in Tianjin
Pang Qunying,Cui Xiaofeng,Wang Jianguo,Li Liandi.The variation characteristics of wave velocity ratio in Tianjin[J].Seismological and Geomagnetic Observation and Research,2008,29(5):22-25.
Authors:Pang Qunying  Cui Xiaofeng  Wang Jianguo  Li Liandi
Institution:(Earthquake Administration of Tianj in Municipality, Tianj in 300201, China)
Abstract:In the text, earthquakes ML≥1. 5 recorded by Tianjin seismic network from 2002 to 2007 are selected. Four areas are selected in Tianjin and surrounding area according to activity space distribution. We have calculated the average ratio in the selected area by use of the phase data of a single event recorded by the network and gotten the correlation between velocity ratio and earthquakes in Tianjin area.
Keywords:Tianjin area  wave velocity ratio  variation characteristics
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