Natural Hazards In Australia

4. used to measure the energy of earthquakes
6. the point on the Earth's surface directly above the focus of an earthquake
7. a prolonged period of below average precipitation
9. a surface where a cool air mass meets a warmer mass, into which it is advancing
11. the loose material brought down by a river and deposited on its bed, flood plain or delta
13. the edge of a fire that burns the fastest
15. above average rainfall in eastern Australia that often brings floods

1. a prolonged period of very hot weather
2. a storm associated with lightning and thunder, occurring with cumulonimbus clouds
3. part of a river valley covered by water during floods
5. shaking of the ground that is generated by disturbances in the Earth's crust
8. a fire burning out of control in the open; also called a wildfire
10. an intense fire that may generate strong convection currents and violent winds causing long-range spotting and flame spirals
12. aerially burning fuel that blows ahead of a fire front
14. an unusual accumulation of water that overflows from rivers, lakes and the ocean onto land that is not normally covered by water