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绥化地震台视电阻率数据跟踪分析

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对绥化地震台地电阻率长期数据进行跟踪分析,通过建立场地电性结构模型,并运用反演计算方法,揭示该台站电阻率反年变形态的产生机制.同时,对视电阻率数据中各种长短周期变化成因进行分析.在此基础上,对在台站附近发生的 5 次M≥4.0 地震进行分析,结果表明,绥化地震台视电阻率观测具有震兆响应特征,可为地震预测工作提供有效的异常震例.
Tracking and analysis of apparent resistivity data of Suihua Seismic Station
Based on the tracking and analysis of the long-term ground resistivity data of Suihua Seismic Station,the generation mechanism of the anti-annual resistivity of Suihua Seismic Station is revealed through the establishment of the site electrical structure model and the inversion calculation method.At the same time,the causes of various short-period changes in the apparent resistivity data are analyzed.On this basis,five M≥4.0 earthquakes near the station are analyzed.The results show that the apparent resistivity observation of Suihua Seismic Station has the characteristics of earthquake omen response,which can provide effective abnormal earthquake cases for earthquake prediction.

apparent resistivityabnormal characteristicslayered structureinfluence coefficientsource mechanism solution

刘长生、刘学谦、周晨、李娇、高峰

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中国哈尔滨 150090 黑龙江省地震局

中国郑州 450016 河南省地震局

中国黑龙江 152000 绥化地震中心站

视电阻率 异常特征 层状结构 影响系数 震源机制解

2024

地震地磁观测与研究
中国地震台网中心 中国地震局地球物理研究所 中国地震学会地震观测技术专业委员会

地震地磁观测与研究

影响因子:0.248
ISSN:1003-3246
年,卷(期):2024.45(6)