一前言地震是一种自然现象,更具体的说是一种地质现象。地震分为构造地震,火山地震和陷落地震。其中以与地球的地质构造运动有关的构造地震最多,对人类的威胁也最大。在古代,认为地震是一种天降的不可抗拒的灾祸,历代唯物主义者,排除地震不可知论,在长期观察和研究这种自然现象的过程中,认识不断深化, An Introduction Earthquakes are a natural phenomenon, more specifically a geological phenomenon. Earthquakes are divided into tectonic earthquakes, volcanic earthquakes and falling earthquakes. Among them, the earthquakes related to the earth’s tectonic movement have the largest number of earthquakes and pose the greatest threat to human beings. In ancient times, the earthquake was regarded as an irresistible calamity of heaven. Historical materialists excluded the earthquake agnosticism. In the process of long-term observation and study of such natural phenomena, the understanding deepens,