Destruction, fires, floods as a result of the earthquakes of 1923-1971 in the cities: Tokyo (Japan), Niigata (Japan), Tuscania (Italy), Tashkent, Agadir (Morocco), Skopje, Banja Luka (Yugoslavia), Caracas ( Venezuela), Ashgabat, Anjar (India), Khait (Tajikistan), Huaras (Peru), San Francisco (USA); in Alaska, Chile, Iran, Dagestan. Providing assistance to victims; analysis of debris; extinguishing fires. Corresponding member of the USSR Academy of Sciences Yu. V. Riznichenko says (synchronously) about earthquakes.