【摘要】 2002年5月下旬,四川省凉山州地区中小地震活动明显增强,同时5月底开始出现宏观异常,显现出发生较大地震的危险性。为此有关部门组织了震情短临跟踪,笔者参加了相关的现场工作,亲身感受到大规模"异常"的出现与发展,然而预测中的地震并没有发生。本文较为系统地介绍了异常现象,分析了异常特征,讨论了异常意义。更多还原

【Abstract】 A vast amount of macro-abnormal phenomena of grounder-water and animal appeared in period of May and June 2002 in Xichang area,Sichuan province.These macro-abnormal phenomena are reliable and are relate to the structure of faults.The time of macro-abnormal phenomena appearing is synchronous with middle magnitude earthquakes.So we consider these abnormal phenomena the message of geological tectonic.更多还原