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自从1966年3月河北邢台地震以后,在我国大陆地区,又相继发生了河北河涧(1967.3)、渤海和广东阳江(1969.7),云南通海(1970.1)、云南普洱(1971.4)、四川炉霍(1973.2)、云南永善(1974.5)、辽宁海城(1975.2)、云南龙陵(1976.5)、河北唐山(1976.7)、四川松潘(1976.8)、盐源(1976.11),等多次强烈地震,短短10年间发生这么多地震,无论其频度还是强度都是前所未闻的.地震这一自然灾害已成为我国人民家喻户晓的一种自然灾害.
Since the earthquake in Xingtai, Hebei Province in March 1966, Hebei River Stream (1967.3), Bohai Sea and Yangjiang River in Guangdong Province (1969.7), Tonghai Sea in Yunnan Province (1970.1), Pu’er (1971.4) in Yunnan Province, Sichuan Huohuo 1973.2), Yunnan Yongshan (1974.5), Liaoning Haicheng (1975.2), Yunnan Longling (1976.5), Hebei Tangshan (1976.7), Sichuan Songpan (1976.8) and Yanyuan (1976.11) So many earthquakes have taken place in 10 years, no matter their frequency or intensity, and they have never been heard before. The natural disaster of earthquakes has become a well-known natural disaster for our people.