Earthquakes are caused by a sudden release of violent ground energy caused either by the shifting of the earth’s crust or volcanic/magmatic activity. Most earthquakes occur when two sides of a fault slide past each other.

Cyclones can be the most intense storms on Earth. A cyclone is a system of winds rotating counterclockwise in the Northern Hemisphere around a low pressure center.

A Flood is an overflow of water that submerges land that is usually dry. Floods are an area of study in the discipline of hydrology. They are the most common and widespread natural severe weather event.