Across
- 1. the measures of earths energy released by an earthquake
- 4. a vibration that travels through earth that is produced by earthquakes and volcanoes
- 6. hot,fluid rock in the mantle
- 8. the slow movement of the continents over cons
- 10. only travels through solids
- 11. the theory that earths surface is broken into pieces,or plates, that slide over the magma in the mantle
- 12. the part of part of earth that has water
- 15. travels through all material
- 16. a central opening through which magma and gases erupt once reaching earths surface
- 17. the solid portion of the earth
- 18. flat lines that show locations north or south of the equator
Down
- 2. the location on the surface directly above the focus of an earthquake
- 3. a break or crack, in the rocks of the lithosphere along which movements can take place
- 4. process where magma comes up between the plates and forces them apart
- 5. has never shown activity or erupted
- 7. smaller earthquakes that follow a major earthquake
- 9. the point below the surface of earth where an earthquake begins
- 13. has not shown activity in 200 year
- 14. an instrument that detects ,measures,and records seismic energy from earthquakes
- 17. the angular distance east or west on the earths surface