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综述了1976年唐山大地震的震磁变化。文章指出,我国震磁工作者从不同的方面,采用不同的方法对唐山周围的地磁原始资料进行了筛选、分类和数学处理,相继发表了十多篇研究结果。本文论述了趋势性的震磁变化、唐山地震的中短期震磁变化和唐山震磁异常的物理解释等问题。
The seismic magnetic changes of 1976 Tangshan earthquake are summarized. The article points out that our country’s seismic magnetic workers used different methods to screen, sort and process the original geomagnetic data around Tangshan from different aspects and published more than ten research results in succession. This paper discusses the trend of the seismic changes, Tangshan earthquake in the short-term seismic magnetic changes and Tangshan earthquake magnetic anomalies and other issues of physical interpretation.