Natural Disasters Crossword

3. A system that measures the strength of an earthquake by getting the data from a seismograph.
7. A long period of dry weather.
9. Asleep but may erupt in the future.
10. Area of land that normally floods after heavy rainfall.
11. Raised walls to stop water getting into a certain area.
12. Violent winds.
13. The downward movement of heaps of ice and snow.
16. A huge part that makes up the earths crust.
18. Which is formed from runny lava.
19. A week part in the earths crust where rock layers have ruptured and slipped.

1. An opening on the surface of the earth which lava and gas spurt out.
2. Rock and dirt falling down a mountain.
4. Is the word used in the area of the Indian Ocean to describe a tropical storm.
5. Hardened volcanic ash
6. An instrument to measure earthquakes.
8. Frozen drops of water that fall from the sky.
13. Rain which has acid in it usually in areas that are polluted.
14. A point where an earthquake reaches the earths surface.
15. Moving fastly.
17. Hot molten rock.