disasters

Lightning is an atmospheric discharge of electricity usually accompanied by thunder, which typically occurs during thunderstorms, and someti...

A tornado is a violent rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremend...

Flooding is a coast to coast threat to the United States and its territories in all months of the year. National Flood Safety Awareness Week...

Violent wind storms are called cyclones in Australia, and are known as typhoons and hurricanes in other countries.Tropical cyclones begin ov...

A storm is a time of bad weather , often with black clouds, heavy rain or hail, thunder and lightning , and very strong wind. In cooler area...

A volcano is a hole in the earth's crust through which hot, liquid rock pours out from inside the planet. As the rock cools down, it mak...

An earthquake is a sudden shaking of the earth's crust. Most earthquakes happen when the edges of plates slide past each other. The rock...