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.

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

  • 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.
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