Землетрясениямогутвызыватьзначительныеразрушенияипредставляютопасностьдляжизнилюдей.天天平书网

　　The film shows the process of an earthquake. The most well-known theory of the occurrence of stress in the earth's crust is described. Earthquakes in Ashgabat, Tajikistan, Armenia are given as examples of modern tectonic activity.