Natural disasters are emergencies caused by severe weather or environmental events. They include volcanoes, earthquakes, wildfires, tornadoes, floods, hurricanes, severe winter storms and heat waves. The aftermath of natural disasters can include infectious diseases, unsafe food and drinking water, homelessness and psychological distress . You can prepare for a natural disaster. Your plan should include an escape route and evacuation plans. You also need a plan for family members to get in touch if you are not together when a disaster occurs.