Across
- 1. volcano altenating layers of lava and ash
- 4. a measure of the amount of damage the quake produces
- 5. wave causes the motion that is felt as a earthquake
- 6. Spot under some areas of crust
- 9. mountain a mountain that forms from a block of crust that is pushed upward or downward along a fault
- 12. volcano gentle slope and is made almost entirely of layer upon layer of lava
- 14. a huge sea wave produced by an earthquake, landslide, or volcano eruption on the ocean floor
- 15. is often where the quake is most strongly felt and the damage is greatest
- 17. Mountain forms in earths crust
Down
- 2. the amount of energy that an earthquake releases
- 3. detects and measures the amount of ground motion duringa quake
- 7. mountains that form by magma that excaped from earths interior, then cooled
- 8. an earthquake is the point underground where the earthquake begins
- 10. is magma that reaches the earth's surface
- 11. come volcano slopes made mostly of rock and ash
- 13. mountain forms where continental plates collide, causing the crust to fold and crumble
- 16. arc may form a string of island called an island arc
