| 山西地震台网地震预警时间及盲区半径分析 |
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| 引用本文： | 梁艳,吕芳,李丽.山西地震台网地震预警时间及盲区半径分析[J].地震地磁观测与研究,2017,38(4):65-69. |
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| 作者姓名： | 梁艳 吕芳 李丽 |
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| 作者单位： | 1. 中国太原 030021 山西省地震局;2. 中国山西 030025 太原大陆裂谷动力学国家野外科学观测研究站 |
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| 基金项目： | 2016年度中国地震局地震监测、预报、科研三结合课题（项目编号：160403）；2016年度山西省地震局科研合同制项目（项目编号：SBK-1631） |
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| 摘 要： | 影响地震预警能力的关键技术指标是预警时间及预警盲区。通过分析山西地震台网勘选完成的1 101个预警台站布局,计算地震台站平均台间距,根据预警盲区半径与台间距关系式得出盲区半径。根据计算结果及相关分布图,分析认为,在预警区内,平均台间距及盲区半径分布与地震活动的相关性较高,勘选完成的地震预警台站布局比较合理。
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| 关 键 词： | 台间距 预警时间 盲区半径 |
The warning times and blind-zone radius of Shanxi Seismic Network |
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| Liang Yan,Lv Fang,Li Li.The warning times and blind-zone radius of Shanxi Seismic Network[J].Seismological and Geomagnetic Observation and Research,2017,38(4):65-69. |
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| Authors: | Liang Yan Lv Fang Li Li |
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| Institution: | 1. Shanxi Earthquake Agency, Taiyuan 030021, China;2. National Continental Rift Valley Dynamics Observatory of Taiyuan, Shanxi Province 030025, China |
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| Abstract: | This paper discussed the key technical indicators of the earthquake early warning capacity:warning times and the blind zone. Based on the distribution of 1 101 warning stations which have been surveyed, we calculated the average interstation distance. According to the relationship between blind-zone radius and interstation distance, we calculated the blind-zone radius. Overall, on the basis of the calculation results and correlated distribution maps, both of average interstation distance and blind-zone radius have high correlation with seismic activity in the early warning zone, so the distribution of 1 101 warning stations of Shanxi seismic network is reasonable. |
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| Keywords: | interstation distance warning times blind-zone radius |
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