an enormous sea wave that reaches land.
Tsunami
a tropical storm with winds and heavy rain.
Hurricane
a violent wind storm consisting of a tall column of air that spins around very fast .
Tornado
a mass of snow, ice falling down a mountain.
Avalanche
a sudden violent shaking of the ground.
Earthquake
a fire burning in an area of land with many trees.
Forest fire
a large amount of water covering an area of land.
Flood
an explosion of steam and lava from a volcano.
Volcano eruption