natural disasters

1. a fire burning in an area of land with many trees, that is difficult to control and sometimes spreads quickly
3. a strong, dangerous wind that forms itself into an upside-down spinning cone and is able to destroy buildings as it moves across the ground
5. a prolonged period of abnormally low rainfall, leading to a shortage of water.
7. an occasion when a volcano explodes, and flames and rocks come out of it, or the act of doing this:
9. a mass of wet earth moving suddenly and quickly down a steep slope
11. an extreme lack of food in a region, causing suffering and death

2. a sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action.
4. an extremely large wave caused by a violent movement of the earth under the sea
6. a large amount of water covering an area that is usually dry
8. a mass of snow, ice, and rocks falling rapidly down a mountainside.
10. a widespread occurrence of an infectious disease in a community at a particular time.