1. A natural disaster is a major adverse event resulting from natural processes of the Earth.
2. A flood, an earthquake, a storm, a tornado, tsunami etc.
3. Earthquakes - are usually caused when rock underground suddenly breaks along a fault. You will feel the arrival of waves, and the ground shaking.
Tornado - a violently rotating column of air in contact with the ground.
Tsunami - a tsunami is a series of waves in a water body, which is causing lots of destructions.
Flood - flood is an overflow of water that submerges land that is usually dry.
4. Drop to the ground; take cover by getting under a sturdy table or other piece of furniture; and to hold on until the shaking stops.
5. An earthquake.
