Hello now I am going to tell you about earthquakes and especially about the worst earthquake in the world. Earthquake is natural phenomenon familiar to everyone. It occurs when the earth's crust begins to move. Up to a million earthquakes occur annually. An earthquake is perhaps one of the most terrible natural phenomena on Earth. People, devices, technologies are powerless before him. The only thing modern technology can do is to anticipate some earthquakes and evacuate people in advance. The...