1
A sudden violent movement of the Earth's surface, sometimes causing great damage.
2
An extremely large wave caused by a violent movement of the earth under the sea.
3
A strong, dangerous wind that forms itself into an upside-down spinning cone and is able to destroy buildings as it moves across the ground.
4
A mountain with a large, circular hole at the top through which lava gases, steam, and dust are or have been forced out.
5
A situation in which an area is covered with water, especially from rain,
6
A long period when there is little or no rain.
7
A fire that is burning strongly and out of control on an area of grass or bushes in the countryside.
8
A mass of rock and earth moving suddenly and quickly down a steep slope.
9
a severe snow storm with strong winds.
10
A large amount of ice, snow, and rock falling quickly down the side of a mountain.
11
A sudden heavy fall of hail.
12
A storm with thunder and lightning and usually heavy rain.
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