Across
- 3. This natural hazard occurs when a large volume of water overflows its boundaries.
- 5. This scale is a numerical rating system that measures the energy, or magnitude, of the largest seismic waves produced by an Earthquake
- 6. phenomenon that causes wet soil to weaken and act more like a liquid due to the shaking of an earthquake
- 8. Volcanic _____ is a mixture of tiny particles of rock and glass.
- 13. This scale measures the intensity of an earthquake based on descriptions of its effects on people and structures
- 16. Tornado ______ is a place in the central U.S. including Texas, Oklahoma, and Nebraska where tornadoes are most common
- 18. a tool used to measure the waves produced by an earthquake
- 19. the rapid downhill movement of soil, loose rocks, and boulders
- 20. Plate ________ are where earthquakes occur most often.
Down
- 1. a large ocean wave generated by the vertical motion of the seafloor during an earthquake
- 2. This scale is a rating scale that measures the energy released by an earthquake, taking into account the size of the fault that breaks, the motion that occurs along the fault, and the strength of the rocks that break during an earthquake
- 4. This natural hazard is an extended period of well below average rainfall.
- 7. A violent, whirling column of air in contact with the ground.
- 9. a break in the Earth's crust along which movement occurs
- 10. An intense tropical storm with winds exceeding 119km/h
- 11. A volcano that is not associated with a plate boundary, and instead forms in the middle of a plate where a mantle plume rises to the crust
- 12. A major volcanic belt that surrounds the Pacific Ocean and is associated with convergent plate boundaries
- 14. the slow movement of lava from a volcano
- 15. ___________ flows are avalanches of hot gas, ash, and rock that travel at high speeds down a volcanic mountain
- 17. Hurricanes occur on the ________ coast of the U.S.