Too much rain in an area.
flood
Strong, rotating wind that destroys everything in its path.
tornado
A big wave caused by an earthquake under the sea.
Tsunami
Massive storms that come from oceans.
Typhoon, Cyclone or Hurricane
An outbreak of a contractible disease that spreads through a human population.
epidemic or pandemic
The same as a landslide but in snow.
avalanche
A mass of rock and earth moving suddenly and quickly down a steep slope.
landslide
The shaking of the earth.
earthquake
When lava explodes out of the earth.
volcanic eruption
A long period when there is little or no rain.
drought