Plate Tectonics
Across
- 2. /a large volcanic crater
- 4. /also called P wave
- 5. /a numerical scale expressing the magnitude of an earthquake on the basis of seismograph oscillations
- 6. /An example of Transformation Fault Boundary
- 8. /a type of seismic wave
- 12. /mark sites of convection downwelling of Earth's lithosphere
- 14. /is the belt or zone of the continental lithosphere where the extensional deformation is occurring
- 17. /A type of volcano
- 18. /also called S wave
- 19. /is an isolated region of the earth that produces lava
- 20. /a sudden and violent shaking of the ground, as a result of movement
Down
- 1. /the crust that takes place in the ocean
- 3. /Also known as Seafoor Spreading
- 7. /is directly below the epicenter in the earthquake
- 9. /the point on the earth's surface vertically above the focus of an earthquake
- 10. /a destructive mudflow on the slopes of a volcano
- 11. /a fracture along which the blocks of crust on either side have moved to one another parallel to the fracture
- 13. /a geophysicist who studies earthquakes
- 15. /a smaller earthquake following the main shock of a large earthquake
- 16. /a mild tremor preceding the violent shaking movement of an earthquake