An earthquake is such a hazard that causes destructive changes to the human society within a few moments. Due to earthquakes, thousands of lives are lost within a few seconds, and houses, buildings, roads etc. fall down just like sand – made structures. Road routes and railways break down, transport and communication is distrupted, canals, bridges, dams etc. are damaged.
Cracks appear on the earth’s surface, and sometimes, rivers change their flow by the force of earthquake. Temporary lakes are formed due to change in the direction of flow of river and when these artificial lakes are broken, severe flooding takes place. Because of all these reasons, earthquakes are considered as a massive hazard.
