Calamities

It is the sliding down of a mass of earth or rocks from elevated landforms.

Communities in valleys and near high landforms are prone to this calamity.

It is a powerful destructive storm.

It is an overflow of water that submerges land.

It is burning caused by chemical combustion.

It is the discharging of gas and lava from a landform with a crater.

It is the prolonged dry season or absence of rain making the soil and sources of water dry up.

A situation that poses a level of threat to life, health, property and environment

It is the shaking of the ground, sometimes causing great destruction.

Give one example of natural calamity in the Vietnam