A large amount of ice, snow, and rock falling quickly down the side of a mountain
Avalanche
A severe snow storm with strong winds
Blizzard
A long period when there is little or no rain
Drought
A sudden violent movement of the earth's surface, sometimes causing great damage
Earthquake
An extreme weather condition with very strong wind, heavy rain, and often thunder and lightning
Electric storm
A large amount of water covering an area that is usually dry
Flood
A violent wind that has a circular movement, especially in the West Atlantic Ocean
Hurricane
A large hole that suddenly appears in the ground when the surface of the ground is no longer supported
Sinkhole
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
Tornado
An extremely large wave caused by a violent movement of the earth under the sea
Tusinami
an occasion when a volcano explodes, and flames and rocks come out of it
Volcanic eruption
