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临沂1668年8.5级地震、渤海湾1888年7.5级地震和1969年7.4级地震以及海城1975年7.3级地震,均沿着北东向郯城—庐江断裂带(以下简称郯庐带)的两侧分布。临沂8.5级地震是发生在郯庐带中段,它是有历史记载以
The Linyi earthquake of magnitude 8.5 of 1668, the 7.5-magnitude earthquake of 1888 in Bohai Bay and the MS 7.4 earthquake of 1969 and the 7.3-magnitude earthquake of Haicheng in 1975 all along the northeast to both sides of Tancheng-Lujiang fault zone (hereinafter referred to as Tanlu zone) distributed. The Linyi 8.5 earthquake occurred in the middle part of Tanlu, which is recorded by history