Earth and rocks falling down a mountain.
a landslide
An extremely large wave caused by a violent movement of the earth under the sea.
a tsunami
A lot of water covering an area.
a flood
A severe snow storm with strong winds.
a blizzard
Strong winds moving quickly in a circle.
a tornado
Strong winds and heavy rain.
a hurricane / typhoon
A fire that is burning strongly and out of control on an area of grass or bushes in the countryside.
a wildfire
A sudden violent movement of the earth's surface, sometimes causing great damage.
an earthquake
A long period with no rain.
a drought
A strong wind in a desert carrying a large amount of sand.
a sandstorm