Across
- 1. the stickiness of lava or its resistance to flow
- 5. a conical shaped landform with an opening at the top
- 9. smaller earthquakes that occur after a main earthquake event
- 10. plates move towards each other
- 14. the upper part of the mantle along with the overlying crust
- 15. hot molten rock
- 16. the point on the earth's surface direction above the focus
Down
- 2. an enlarged crater due to violent eruption of volcano leading to the collapse of the crater
- 3. plates move away from each other
- 4. located at the centre of the earth with a radius of about 3500km
- 6. an opening at the top of a volcano
- 7. a point of sudden energy release where seismic waves radiate out
- 8. an opening where magma escapes to the earth's surface
- 11. an unusually large sea wave formed by the movement of the sea floor during a large sea quake
- 12. plate slide past each other
- 13. an instrument that records the seismic waves release by an earthquake