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本文以1978年8月10日在台湾海峡中北部发生的5.3级地震为典型震例,讨论该区地震构造,认为该区处于北东—北北东、北西、近东西向等多组活动断裂复合交汇的地区,且与台湾陆壳同属一个地质块体。以此为基础进而分析了该区地震活动的时间、空间和强度特征,并和台湾省以东海域强震活动作了对比,认为两区域的地震活动存在一定程度的相关性。
In this paper, a typical 5.3 earthquake occurred in the north-central Taiwan Strait on August 10, 1978 was taken as a typical seismic event to discuss the seismic structure in this area. It is believed that the area is located in a series of active faults such as North-East-North-North East and Near East-West Complex intersection of the area, and with the continental shelf in Taiwan belong to a geological block. Based on this, the temporal, spatial and intensity characteristics of seismic activity in this area are analyzed. Compared with the strong earthquakes in the area to the east of Taiwan Province, it is considered that there is a certain degree of correlation between the seismic activity in the two areas.