王朝景,李博,刘德强,等. 河北及周边地区岩石圈磁场分布与震磁特征[J]. 华北地震科学,2022, 40(4):83-87, 94. doi:10.3969/j.issn.1003−1375.2022.04.012.
引用本文: 王朝景,李博,刘德强,等. 河北及周边地区岩石圈磁场分布与震磁特征[J]. 华北地震科学,2022, 40(4):83-87, 94. doi:10.3969/j.issn.1003−1375.2022.04.012.
WANG Zhaojing,LI Bo,LIU Deqiang,et al. Magnetic Field Distribution and Seismomagnetic Characteristics of Lithosphere in Hebei and Its Surrounding Areas[J]. North China Earthquake Sciences,2022, 40(4):83-87, 94. doi:10.3969/j.issn.1003−1375.2022.04.012.
Citation: WANG Zhaojing,LI Bo,LIU Deqiang,et al. Magnetic Field Distribution and Seismomagnetic Characteristics of Lithosphere in Hebei and Its Surrounding Areas[J]. North China Earthquake Sciences,2022, 40(4):83-87, 94. doi:10.3969/j.issn.1003−1375.2022.04.012.

河北及周边地区岩石圈磁场分布与震磁特征

Magnetic Field Distribution and Seismomagnetic Characteristics of Lithosphere in Hebei and Its Surrounding Areas

  • 摘要: 建立河北及周边地区的岩石圈磁场分布模型,结合1970—2020年该区发生的MS≥5.0地震,对岩石圈磁场的空间分布、震磁特征进行分析。结果表明:河北及周边地区岩石圈磁场的总体分布较为平稳,河北北部的量值高于南部,燕山地块量值高于华北平原地块,断裂构造发育的地区岩石圈磁场量值较低;MS≥5.0地震震中多分布在岩石圈磁场的低值区、零值线附近。

     

    Abstract: In this paper, the distribution model of lithospheric magnetic field in Hebei and its surrounding areas is established. Combined with the earthquakes with Ms ≥ 5.0 occurred in this area from 1970 to 2020, the spatial distribution and seismomagnetic characteristics of lithospheric magnetic field are analyzed. The results show that the overall distribution of the lithosphere magnetic field in Hebei and its surrounding areas is relatively stable. The value of the lithospheric magnetic field in the northern part of Hebei is higher than that in the south, the value of the Yanshan block is higher than that of the North China Plain block, and the value of the lithospheric magnetic field in the area where the fault structure is developed is lower. The epicenters of Ms ≥ 5.0 earthquakes are mostly distributed in the low value area and near the zero line of lithospheric magnetic field.

     

/

返回文章
返回