The document discusses several natural disasters that can occur in the United States, including hurricanes, floods, earthquakes, landslides, tornadoes, tsunamis, volcanoes, and wildfires. It provides details on the causes and impacts of each type of disaster, noting for example that hurricanes form in the tropics and affect Gulf and Atlantic coasts, floods can happen suddenly or more slowly over days, and wildfires are more common in dry, rural areas.