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1985年4月18日13时52分,在云南东川、禄劝间(北纬25°50′,东经102°51′)发生6.3级地震,震中烈度为七度。据云南省地震局提供震源机制解为:
On April 18, 1985, at 13:52, an earthquake of magnitude 6.3 occurred in Dongchuan and Luchuantang (25 ° 50’N and 102 ° 51’E) with an intensity of seven degrees in the epicenter. According to the Yunnan Seismological Bureau to provide focal mechanism solution is: