Natural Hazards

3. an uncontrolled fire in, mainly, a rural area
5. a tropical storm with winds that have reached a constant speed of 74 miles per hour or more
6. movement of particles past each other at different speeds
9. the amount of rain that falls in a place during a particular period
10. a device for measuring the change in sea level relative to a vertical datum
12. the outermost shell of the Earth
14. when magma rises to the surface

1. a sudden violent shaking of the ground
2. the part of the Earth between the mantle and inner core, responsible for generating the planet's magnetic field
4. movement of plates towards each other
6. movement of plates apart from each other
7. a prolonged period of abnormally low rainfall, leading to a shortage of water
8. the distance between successive peaks or troughs
11. an overflow of water that submerges land that is usually dry
13. a violently rotating column of air touching the ground, usually attached to the base of a thunderstorm