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“烨烨(yè音叶)震电,不宁不令。百川沸腾,山冢(shǒng音肿)半(cnǐ音翠)崩,高岸为谷,深谷为陵。” (《诗经·十月之交》)这是我国古代对于周幽王二年即公元前七百八十年陕西西周地震和地壳运动的描述。 毛主席教导我们:“自然界的变化,主要地是由于自然界内部矛盾的发展。”(《矛盾论》)地震是一种自然现象,地震的发生是地壳构造运动的一种反映,是地球内部各种矛盾运动的结果。大多数地震是由于地球内部结构发生剧烈变动所引起的,也有的是由于火山爆发、地下洞穴塌陷等所引起的。地震和“星队”、“木鸣”、“薄食”一样,都是宇宙间的自然现象。地震的孕育和发生也有其准备阶段和内部能量的聚积过程,在量变过程中,变化是缓慢的,其表现为相对的静止状态,可是当地壳内部能量聚积达到一定程度时,量变引起质变,就发生地震。
“Ye Ye (yè tone leaves) shocks, restless .Bai boiling, mountain mounds (cnc), collapse, high shore for the valley, the valley for the tomb.” (“The Book of Songs October This is the description of the earthquake and crustal movement in ancient China by Zhou Youwang two years, ie, the 780th year of the Western Zhou Dynasty in Shaanxi Province. Chairman Mao taught us: ”Changes in nature are mainly due to the development of contradictions in nature.“ (”Contradiction Theory") Earthquakes are a natural phenomenon. The occurrence of an earthquake is a reflection of crustal movement, The result of contradictory movements. Most of the earthquakes are caused by drastic changes in the structure of the Earth’s interior. Some are caused by volcanic eruptions, cave subsidence, and the like. Earthquakes, like the Star Team, Mu Ming and Thin Food, are all natural phenomena in the universe. The occurrence and occurrence of earthquakes also have the accumulation process of their preparation stage and internal energy. During the process of quantitative change, the change is slow, and its performance is relatively quiescent. However, when the internal energy accumulation reaches a certain level, the quantitative change causes the qualitative change. earthquake happened.