An outbreak of a disease that spreads through a human population.
Epidemic or pandemic
Too much rain in an area.
flood
The shaking of the earth
earthquake
Massive storms that come from oceans
Hurricane, typhoon or cyclone
Often started by lightning or drought
Fire
When soil or ground on a mountain slide down.
landslide
A big wave caused by an earthquake under the sea
Tsunami
A time of extremely hot weather.
Heat wave
Strong, rotating wind that destroys everything in its path.
tornado
When lava explodes out of the earth.
volcanic eruption
The same as a landslide but in snow.
avalanche
A period of no or very little rain.
Drought