Across
- 2. vibration caused by breaking rocks along the faults
- 6. when too oceanic plates pull apart magma rises and new crust is formed
- 7. a volcano which will never erupt again
- 8. large opening formed when the top of a volcano collapses
- 10. A volcano formed by altering layers of earth
- 12. volcano which has not erupted in over 2 thousand years is describe
- 13. hot fluid that is under earth surface
Down
- 1. measure of the energy released by an earth quake
- 2. scientist who studies earth quakes and seismic rocks
- 3. device used by seismologist to record primary, secondary, surface waves from earth
- 4. fast flowing clouds of hot ash and volcanic glass rolling down the mountainside
- 5. the process where one plate moves under another and becomes stuck
- 9. mt vesuvius is located in which country
- 11. an opening on earths surface where magma is forced up and flows out lava