Tsunami
- a large wave caused by underwater earthquakes
- 2011 Japan tsunami killed tens of thousands of people

 
Earthquake
- strong vibrations in the ground in the ground caused by stress between tectonic plates
- 2011 Japan earthquake caused a tsunami and shifted the Earth's axis

 
Volcano
- a mountain that explodes due to underground pressure
- Mt St Helens killed many people and destroyed thousands of acres of forest

 
Drought
- very hot, dry weather that kills off plant life
- Australia Millenium Drought lasted 14 years and killed a lot of plants and animals

 
Tornado
- spinning vortex of air that moves across the ground
- Tri-State Tornado was a system of tornadoes that crossed three US states and killed many people

 
Hurricane/typhoon/cyclone
- large weather system with high winds and heavy rain
- Hurricane Katrina flooded multiple cities in 2005

 
Landslide
- large amount of rocks and soil sliding down a mountain
- Bingham Canyon Mine landslide was biggest landslide in North America

 
Flood
- water that overflows from it source and covers land
- Yellow RIver flood in 1938 destroyed thousands of villages and killed millions of people

 
Sinkholes
- the ground collapses and forms a large hole
- Qattara Deppresion is over 120 km wide