Across
- 2. an area away from a plate boundary
- 5. A large volcanic crater
- 6. A mild tremor before the big shock of an Earthquake
- 9. another name for a composite volcano
- 12. A synoptic scale low pressure system that has cyclonic flow
- 15. Directly above the earthquake's focus
Down
- 1. The way atmospheric pressure measured
- 2. A storm with violent wind, typically over the tropics
- 3. The fastest body waves
- 4. Volcanic ash, dust, and lapilli are...
- 7. A geologic process in which one edge of one lithospheric plate is forced below the edge of another
- 8. The upper layer of the earth's mantle
- 10. Precipitation in the form of lumps of ice
- 11. Where the first motion of an earthquake occurs
- 13. A mobile destructive vortex
- 14. The Ridged outer part of the earth