在一次大震前,动物出现异常表现,早为人们所发现,我国的许多历史文献就有记载。近若干年来的多次强震资料证实,动物异常是一个不庸置疑的客观事实。目前所知的震前动物异常大约有一百多种,它们的表现形式各有所异,在空间上的分布也极为广泛,从震中到距震中区几十公里甚至几百公里的外围地区。但是,过去一般将动物异常仅仅作为大震前的 Before an earthquake, animals showed abnormalities, as early as people discovered, many of our historical documents are recorded. Several strong earthquake data in recent years confirmed that animal anomalies are an unquestioning fact. There are about 100 anomalous animal anomalies known to date. Their manifestations are different and their distribution in space is also very extensive. From the epicenter to the periphery of tens of kilometers or even hundreds of kilometers away from the epicenter area. However, in the past, animal anomalies were generally regarded as just before the earthquake