Earthquakes are caused by the movement of Earth's plates.
Tsunamis are giant waves caused by underwater earthquakes.
A tornado always starts in the ocean.
A volcano can be active, dormant, or extinct.
Floods only happen during rainy seasons.
Hurricanes are called typhoons in some parts of the world.
Lightning during storms can cause forest fires.
All earthquakes are felt by people.
Drought is a natural disaster caused by too much rainfall.
Volcanoes erupt only once and never again.