1986年8月12日18时45分在我省盐源县发生5.4级地震,这次地震的震级虽然不高,但震前出现的宏观异常现象却很明显、普遍。据震后调查资料分析,这些宏观异常现象不仅种类繁多(地下水、各类动物、人感、局部天象等),而且还有一定的分布规律。 At 18:45 on August 12, 1986, a 5.4-magnitude earthquake hit Yanyuan County in our province. Although the magnitude of the earthquake was not high, the macro-anomalies that preceded the earthquake were obvious and widespread. According to the survey data after the earthquake, there are not only a great variety of macro anomalies (groundwater, all kinds of animals, human feelings, local astronomical phenomena, etc.), but also some distribution rules.