Across
- 2. created the theory of continentaldrift (last name)
- 3. where an earthquake originates
- 5. primary rock of continental crust
- 7. primary waves, trave, through anything
- 8. primary rock of oceanic crust
- 11. driving force of crustal movement (no spaces)
- 13. plate boundry where two plates collide
- 14. when two tectonic plates move away from each other
Down
- 1. scale used to measure the damage of an earthquake
- 4. secondary waves, travel through solids only
- 6. point on earth's surface above the focus
- 9. scale used to measure the strenght of an earthquake
- 10. where msot epicenters and volcanoes are
- 12. number of seismographs needed to find location