Unit 5 natural disasters What are natural disasters Natural disasters are understood to be those violent or sudden changes in the dynamics of the environment, the repercussions of which can cause material loss and loss of life, and which are the product of environmental events in which the hand of human beings is not present, such as disasters. earthquakes, floods, tsunamis, among others. What are the causes of natural disasters? • Loss and damage to structures due to the force of winds, floods, storm surge, and landslides and mudslides. • Contamination of food and water supplies • Loss of human life due to different causes • Interruption in communications • Affects animals, crops and food production for human consumption. • Increase in morbidity due to diarrheal diseases, other vector-borne diseases, and parasitic diseases. Floods due to intense rains and sea penetration. Consequences: • Structures damaged by flowing water, f...