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拐角频率在营海岫地区地震序列判定中的应用
Application on the corner frequency to judge the earthquake sequences occurred in Xiuyan，Haicheng and Yingkou regions
- DOI:
- 作者:
- 贾丽华[1] 杨红艳[1] 黄亮[1] 朱晓秋[2] 陈继伟[1] 贾丽华[1] 杨红艳[1]
- 作者单位:
- 1.中国沈阳 110034 辽宁省地震局 2. 辽宁营口115000 营口地震台
- 关键词:
- 拐角频率；地震序列；变化规律
corner frequency, earthquake sequence, regular pattern of change
- 摘要:
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利用拐角频率方法，研究营、海、岫地区1999年以来发生的显著震群性质，结果显示：前震序列与其他震群拐角频率曲线变化形态不同，拐角频率的大小能较好反映震源区应力场的大小。
In this paper,through calculating the corner frequency of the sequence occurred in Yingkou、Haicheng and Xiuyan since 1999, the result indicates that the change of the corner frequency curves of foreshock sequence is different from that of other earthquake swarms． The size of the corner frequency can perfectly reflect the size of the stress field in the hypocenter region． The relation between the corner frequency and magnitude is discussed in the paper．
