The soil is dry and there is no water. Crops don't grow because it doesn't rain for a long time. In some countries it last for months, in ohters for years. We call this a .
When it rains heavily for a long time, there is too much water in rivers and lakes. It overflows and everything is under water: fields, trees and houses. This kind of disaster is called a . It can cause a lot of damage.
A can also destroy buildings. That happens when the soil on a slope or a river bank becomes too wet. Then it isn't stable any more. The land slides down and takes everything with it.
Sometimes snow slides the same way, particularly in mountains. The can bury people. Then rescue teams try to find them and rescue them.
When the tectonic plates collide, the earth trembles. The shaking of the earth is called an . It causes damage to buildings and people are panic-stricken.
After an earthquake, some smaller ones can follow. These can be quite frightening as well.
Another thing can follow an earthquake in places near the sea - a huge tidal wave, dangerous to buildings and people. Such a is most common in Asia.