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1976年11月7日和12月13日在四川省盐源县城西40公里、云南省宁蒗县城东约30公里的两省交界地区先后发生了6.7级和6.4级地震,前者震中为北纬27°29′,东经101°05′,震中烈度Ⅸ度;后者震中为北纬27°21′,东经101°03′,震中烈度Ⅷ度。由于川滇两省党政和国家地震局的正确领导,两省地震工作部门的共同努力,震前及时通知震中区群众
On November 7, 1976 and December 13, 1976, earthquakes of magnitude 6.7 and 6.4 occurred successively at the junction of the two provinces about 40 km west of Yanyuan County in Sichuan Province and about 30 km east of Ninglang County in Yunnan Province. The former epicenter was latitude 27 ° 29 ’, east longitude 101 ° 05’ and epicenter intensity Ⅸ degrees. The latter epicenter is latitude 27 ° 21 ’north latitude, longitude 101 ° 03’ east, and the epicenter intensity is Ⅷ degrees. Due to the correct leadership of the party, government and the State Seismological Bureau of Sichuan, Yunnan Provinces and the joint efforts of the seismological departments of both provinces, the masses in the epicenter area were promptly notified before the earthquake