Natural disasters

It can happen when a volcano releases its power.

… is a severe winter storm condition characterized by low 

   temperatures, strong winds, and heavy blowing snow.

... is a sudden fall of a lot of earth or rocks down a hill, cliff etc

A long period with very little or no rain

A sudden strong shaking of the ground is ...

Too much water in one place is...

… are rain drops that have formed together into ice.

... happens when huge amounts of snow or rocks fall down the side of a mountain. It is one of the major dangers faced in the mountains in winter. 

After a longstanding drought in South Africa .... is expected to follow, leaving thousands of people without food.

The problem of temperature raising on the Earth is ...

A flash of light in the sky is called ...